La edición de celdas Ignite UI for Blazor en Blazor cuadrícula de árbol proporciona una gran capacidad de manipulación de datos del contenido de celdas individuales dentro del componente de cuadrícula de árbol de Blazor y viene con una potente API para operaciones CRUD React. Es una característica fundamental en aplicaciones como hojas de cálculo, tablas de datos y cuadrículas de datos, lo que permite a los usuarios agregar, editar o actualizar datos dentro de celdas específicas. De forma predeterminada, la cuadrícula de Ignite UI for Blazor se utiliza en la edición de celdas. Y debido a la plantilla de edición de celdas predeterminada, habrá diferentes editores basados en el tipo de datos de columna Top of Form.
Además, puede definir sus propias plantillas personalizadas para acciones de actualización de datos y anular el comportamiento predeterminado para confirmar y descartar cualquier cambio.
Blazor Ejemplo de edición de celdas de cuadrícula de árbol y plantillas de edición
EXAMPLE
DATA
MODULES
RAZOR
CSS
using System;
using System.Collections.Generic;
publicclassEmployeesNestedTreeDataItem
{
publicdouble Age { get; set; }
publicstring HireDate { get; set; }
publicdouble ID { get; set; }
publicstring Name { get; set; }
publicstring Phone { get; set; }
publicbool OnPTO { get; set; }
publicdouble ParentID { get; set; }
publicstring Title { get; set; }
}
publicclassEmployeesNestedTreeData
: List<EmployeesNestedTreeDataItem>
{
publicEmployeesNestedTreeData()
{
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 55,
HireDate = @"2008-03-20",
ID = 1,
Name = @"Johnathan Winchester",
Phone = @"0251-031259",
OnPTO = false,
ParentID = -1,
Title = @"Development Manager"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 42,
HireDate = @"2014-01-22",
ID = 4,
Name = @"Ana Sanders",
Phone = @"(21) 555-0091",
OnPTO = true,
ParentID = -1,
Title = @"CEO"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 49,
HireDate = @"2014-01-22",
ID = 18,
Name = @"Victoria Lincoln",
Phone = @"(071) 23 67 22 20",
OnPTO = true,
ParentID = -1,
Title = @"Accounting Manager"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 61,
HireDate = @"2010-01-01",
ID = 10,
Name = @"Yang Wang",
Phone = @"(21) 555-0091",
OnPTO = false,
ParentID = -1,
Title = @"Localization Manager"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 43,
HireDate = @"2011-06-03",
ID = 3,
Name = @"Michael Burke",
Phone = @"0452-076545",
OnPTO = true,
ParentID = 1,
Title = @"Senior Software Developer"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 29,
HireDate = @"2009-06-19",
ID = 2,
Name = @"Thomas Anderson",
Phone = @"(14) 555-8122",
OnPTO = false,
ParentID = 1,
Title = @"Senior Software Developer"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 31,
HireDate = @"2014-08-18",
ID = 11,
Name = @"Monica Reyes",
Phone = @"7675-3425",
OnPTO = false,
ParentID = 1,
Title = @"Software Development Team Lead"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 35,
HireDate = @"2015-09-17",
ID = 6,
Name = @"Roland Mendel",
Phone = @"(505) 555-5939",
OnPTO = false,
ParentID = 11,
Title = @"Senior Software Developer"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 44,
HireDate = @"2009-10-11",
ID = 12,
Name = @"Sven Cooper",
Phone = @"0695-34 67 21",
OnPTO = true,
ParentID = 11,
Title = @"Senior Software Developer"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 44,
HireDate = @"2014-04-04",
ID = 14,
Name = @"Laurence Johnson",
Phone = @"981-443655",
OnPTO = false,
ParentID = 4,
Title = @"Director"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 25,
HireDate = @"2017-11-09",
ID = 5,
Name = @"Elizabeth Richards",
Phone = @"(2) 283-2951",
OnPTO = true,
ParentID = 4,
Title = @"Vice President"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 39,
HireDate = @"2010-03-22",
ID = 13,
Name = @"Trevor Ashworth",
Phone = @"981-443655",
OnPTO = true,
ParentID = 5,
Title = @"Director"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 44,
HireDate = @"2014-04-04",
ID = 17,
Name = @"Antonio Moreno",
Phone = @"(505) 555-5939",
OnPTO = false,
ParentID = 18,
Title = @"Senior Accountant"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 50,
HireDate = @"2007-11-18",
ID = 7,
Name = @"Pedro Rodriguez",
Phone = @"035-640230",
OnPTO = false,
ParentID = 10,
Title = @"Senior Localization Developer"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 27,
HireDate = @"2016-02-19",
ID = 8,
Name = @"Casey Harper",
Phone = @"0342-023176",
OnPTO = true,
ParentID = 10,
Title = @"Senior Localization"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 25,
HireDate = @"2017-11-09",
ID = 15,
Name = @"Patricia Simpson",
Phone = @"069-0245984",
OnPTO = false,
ParentID = 7,
Title = @"Localization Intern"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 39,
HireDate = @"2010-03-22",
ID = 9,
Name = @"Francisco Chang",
Phone = @"(91) 745 6200",
OnPTO = false,
ParentID = 7,
Title = @"Localization Intern"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 25,
HireDate = @"2018-03-18",
ID = 16,
Name = @"Peter Lewis",
Phone = @"069-0245984",
OnPTO = true,
ParentID = 7,
Title = @"Localization Intern"
});
}
}cs
using System;
using System.Net.Http;
using System.Collections.Generic;
using System.Threading.Tasks;
using System.Text;
using Microsoft.AspNetCore.Components.WebAssembly.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using IgniteUI.Blazor.Controls; // for registering Ignite UI modulesnamespaceInfragistics.Samples
{
publicclassProgram
{
publicstaticasync Task Main(string[] args)
{
var builder = WebAssemblyHostBuilder.CreateDefault(args);
builder.RootComponents.Add<App>("app");
builder.Services.AddScoped(sp => new HttpClient { BaseAddress = new Uri(builder.HostEnvironment.BaseAddress) });
// registering Ignite UI modules
builder.Services.AddIgniteUIBlazor(
typeof(IgbInputModule),
typeof(IgbPaginatorModule),
typeof(IgbTreeGridModule)
);
await builder.Build().RunAsync();
}
}
}cs
@using IgniteUI.Blazor.Controls<divclass="container vertical ig-typography"><divclass="container vertical fill"><IgbTreeGridAutoGenerate="false"Name="treeGrid"
@ref="treeGrid"Id="treeGrid"Data="EmployeesNestedTreeData"PrimaryKey="ID"AllowFiltering="true"ForeignKey="ParentID"><IgbPaginatorPerPage="10"></IgbPaginator><IgbColumnField="Name"DataType="GridColumnDataType.String"Editable="true"HasSummary="true"></IgbColumn><IgbColumnField="Title"DataType="GridColumnDataType.String"Editable="true"HasSummary="true"></IgbColumn><IgbColumnField="Age"DataType="GridColumnDataType.Number"Editable="true"HasSummary="true"></IgbColumn><IgbColumnField="HireDate"DataType="GridColumnDataType.Date"Editable="true"HasSummary="true"></IgbColumn><IgbColumnField="OnPTO"DataType="GridColumnDataType.Boolean"Editable="true"HasSummary="true"Width="130px"></IgbColumn></IgbTreeGrid></div></div>@code {protectedoverrideasync Task OnAfterRenderAsync(bool firstRender)
{
var treeGrid = this.treeGrid;
}
private IgbTreeGrid treeGrid;
private EmployeesNestedTreeData _employeesNestedTreeData = null;
public EmployeesNestedTreeData EmployeesNestedTreeData
{
get
{
if (_employeesNestedTreeData == null)
{
_employeesNestedTreeData = new EmployeesNestedTreeData();
}
return _employeesNestedTreeData;
}
}
}razor
/*
CSS styles are loaded from the shared CSS file located at:
https://static.infragistics.com/xplatform/css/samples/
*/css
¿Te gusta esta muestra? Obtenga acceso a nuestro kit de herramientas de Ignite UI for Blazor completo y comience a crear sus propias aplicaciones en minutos. Descárgalo gratis.
Edición de celdas
Edición a través de la interfaz de usuario
Puede ingresar al modo de edición para una celda específica, cuando una celda editable está enfocada de una de las siguientes maneras:
al hacer doble clic;
con un solo clic: un solo clic ingresará al modo de edición solo si la celda seleccionada previamente estaba en modo de edición y la celda actualmente seleccionada es editable. Si la celda previamente seleccionada no estaba en modo de edición, un solo clic seleccionará la celda sin ingresar al modo de edición;
en la tecla presione Enter;
en la tecla presione F2;
Puede salir del modo de edición sin realizar los cambios de una de las siguientes maneras:
en la tecla presione Escape;
cuando realiza operaciones de clasificación, filtrado, búsqueda y ocultación;
Puede salir del modo de edición y confirmar los cambios de una de las siguientes maneras:
en la tecla presione Enter;
en la tecla presione F2;
en la tecla presione Tab;
con un solo clic en otra celda: cuando haga clic en otra celda en IgbTreeGrid, se enviarán sus cambios.
operaciones como paginación, cambio de tamaño, anclar o mover saldrán del modo de edición y se enviarán los cambios.
La celda permanece en modo de edición cuando se desplaza vertical u horizontalmente o hace clic fuera de IgbTreeGrid. Esto es válido tanto para la edición de celdas como para la edición de filas.
Edición a través de API
También puede modificar el valor de la celda a través de la API IgbTreeGrid, pero solo si está definida la clave principal:
Puede ver y obtener más información sobre las plantillas de edición de celdas predeterminadas en el tema de edición general.
Si desea proporcionar una plantilla personalizada que se aplicará a una celda, puede pasar dicha plantilla a la celda misma o a su encabezado. Primero cree la columna como lo haría normalmente:
*** In JavaScript ***
igRegisterScript("WebGridCellEditCellTemplate", (ctx) => {
let cellValues = [];
let uniqueValues = [];
for(const i of ctx.cell.grid.data){
const field = ctx.cell.column.field;
if(uniqueValues.indexOf(i[field]) === -1 )
{
cellValues.push(html`<igc-select-itemvalue=${i[field]}>${(i[field])}</igc-select-item>`);
uniqueValues.push(i[field]);
}
}
return html`<div><igc-selectposition-strategy="fixed" @igcChange=${e => ctx.cell.editValue = e.detail.value}>
${cellValues}
</igc-select></div>`;
}, false);
razor
Puede encontrar una muestra funcional de lo anterior aquí para mayor referencia:
EXAMPLE
MODULES
DATA
RAZOR
JS
CSS
using System;
using System.Net.Http;
using System.Collections.Generic;
using System.Threading.Tasks;
using System.Text;
using Microsoft.AspNetCore.Components.WebAssembly.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using IgniteUI.Blazor.Controls; // for registering Ignite UI modulesnamespaceInfragistics.Samples
{
publicclassProgram
{
publicstaticasync Task Main(string[] args)
{
var builder = WebAssemblyHostBuilder.CreateDefault(args);
builder.RootComponents.Add<App>("app");
builder.Services.AddScoped(sp => new HttpClient { BaseAddress = new Uri(builder.HostEnvironment.BaseAddress) });
// registering Ignite UI modules
builder.Services.AddIgniteUIBlazor(
typeof(IgbInputModule),
typeof(IgbTreeGridModule),
typeof(IgbSelectModule)
);
await builder.Build().RunAsync();
}
}
}cs
using System;
using System.Collections.Generic;
publicclassRoleplayTreeGridDataItem
{
publicdouble ID { get; set; }
publicdouble ParentID { get; set; }
publicstring Name { get; set; }
publicstring Age { get; set; }
publicstring Alignment { get; set; }
publicstring Race { get; set; }
publicstring Class { get; set; }
}
publicclassRoleplayTreeGridData
: List<RoleplayTreeGridDataItem>
{
publicRoleplayTreeGridData()
{
this.Add(new RoleplayTreeGridDataItem()
{
ID = 1,
ParentID = 8,
Name = @"Stredo",
Age = @"244",
Alignment = @"💜 Lawful evil",
Race = @"👩 Human",
Class = @"🎻 Bard"
});
this.Add(new RoleplayTreeGridDataItem()
{
ID = 2,
ParentID = 7,
Name = @"Haluun",
Age = @"40",
Alignment = @"🤍 Unaligned",
Race = @"🧒🏻 Hafling",
Class = @"🙏🏻 Monk"
});
this.Add(new RoleplayTreeGridDataItem()
{
ID = 3,
ParentID = 9,
Name = @"Ivellios",
Age = @"244",
Alignment = @"🧡 Chaotic good",
Race = @"👩 Human",
Class = @"⚔️ Paladin"
});
this.Add(new RoleplayTreeGridDataItem()
{
ID = 4,
ParentID = -1,
Name = @"Tes",
Age = @"35",
Alignment = @"💜 Lawful evil",
Race = @"🎭 Changeling",
Class = @"🧙♂️ Wizard"
});
this.Add(new RoleplayTreeGridDataItem()
{
ID = 5,
ParentID = 3,
Name = @"Kalla",
Age = @"47",
Alignment = @"🤎 Neutral evil",
Race = @"🤖 Warforged",
Class = @"🦹♂️ Sorcerer"
});
this.Add(new RoleplayTreeGridDataItem()
{
ID = 6,
ParentID = 2,
Name = @"Halimath Dundragon",
Age = @"149",
Alignment = @"🤍 Unaligned",
Race = @"🐲 Dragonborn",
Class = @"⚔️ Paladin"
});
this.Add(new RoleplayTreeGridDataItem()
{
ID = 7,
ParentID = 5,
Name = @"Iriphawa",
Age = @"39",
Alignment = @"💛 Lawful neutral",
Race = @"🧝🏻♂️ Half-Elf",
Class = @"🏹 Ranger"
});
this.Add(new RoleplayTreeGridDataItem()
{
ID = 8,
ParentID = 6,
Name = @"Quaf",
Age = @"25",
Alignment = @"💚 Neutral",
Race = @"👩 Human",
Class = @"🥊 Fighter"
});
this.Add(new RoleplayTreeGridDataItem()
{
ID = 9,
ParentID = 10,
Name = @"Rat Scratch",
Age = @"15",
Alignment = @"🤎 Neutral evil",
Race = @"🐡 Locathah",
Class = @"🍁 Druid"
});
this.Add(new RoleplayTreeGridDataItem()
{
ID = 10,
ParentID = 4,
Name = @"Slicer",
Age = @"57",
Alignment = @"💜 Lawful evil",
Race = @"🐡 Locathah",
Class = @"💪 Barbarian"
});
this.Add(new RoleplayTreeGridDataItem()
{
ID = 11,
ParentID = 7,
Name = @"Nereones Ahlorsath",
Age = @"95",
Alignment = @"💛 Lawful neutral",
Race = @"👩 Human",
Class = @"🥊 Fighter"
});
this.Add(new RoleplayTreeGridDataItem()
{
ID = 12,
ParentID = 9,
Name = @"Nalvarti Stonecutter",
Age = @"118",
Alignment = @"❤️ Neutral good",
Race = @"🧝♀️ Elf",
Class = @"❤️ Cleric"
});
this.Add(new RoleplayTreeGridDataItem()
{
ID = 13,
ParentID = 1,
Name = @"Errk",
Age = @"22",
Alignment = @"🤎 Neutral evil",
Race = @"🧝🏻♂️ Half-Elf",
Class = @"🎻 Bard"
});
this.Add(new RoleplayTreeGridDataItem()
{
ID = 14,
ParentID = 5,
Name = @"Seven Thundercloud",
Age = @"43",
Alignment = @"💖 Lawful good",
Race = @"🐡 Locathah",
Class = @"⚔️ Paladin"
});
this.Add(new RoleplayTreeGridDataItem()
{
ID = 15,
ParentID = 10,
Name = @"Navarra Chergoba",
Age = @"16",
Alignment = @"💜 Lawful evil",
Race = @"🐯 Tabaxi",
Class = @"❤️ Cleric"
});
this.Add(new RoleplayTreeGridDataItem()
{
ID = 16,
ParentID = 4,
Name = @"Sail Snap",
Age = @"56",
Alignment = @"💖 Lawful good",
Race = @"🌳 Arboren",
Class = @"💪 Barbarian"
});
this.Add(new RoleplayTreeGridDataItem()
{
ID = 17,
ParentID = 8,
Name = @"Urreek",
Age = @"17",
Alignment = @"💜 Lawful evil",
Race = @"🧝🏻♂️ Half-Elf",
Class = @"🐉 Warlock"
});
this.Add(new RoleplayTreeGridDataItem()
{
ID = 18,
ParentID = 6,
Name = @"Morkral Firetamer",
Age = @"24",
Alignment = @"🤎 Neutral evil",
Race = @"🐲 Dragonborn",
Class = @"🙏🏻 Monk"
});
this.Add(new RoleplayTreeGridDataItem()
{
ID = 19,
ParentID = 2,
Name = @"Vithka",
Age = @"53",
Alignment = @"💜 Lawful evil",
Race = @"🐡 Locathah",
Class = @"⚔️ Paladin"
});
this.Add(new RoleplayTreeGridDataItem()
{
ID = 20,
ParentID = 7,
Name = @"Sandrue Avhoste",
Age = @"19",
Alignment = @"💙 Chaotic Neutral",
Race = @"🐲 Dragonborn",
Class = @"🗡️ Rogue"
});
this.Add(new RoleplayTreeGridDataItem()
{
ID = 21,
ParentID = 8,
Name = @"Hapah Moq",
Age = @"34",
Alignment = @"💜 Lawful evil",
Race = @"🎅🏽 Dwarf",
Class = @"🎻 Bard"
});
this.Add(new RoleplayTreeGridDataItem()
{
ID = 22,
ParentID = 5,
Name = @"Kothar",
Age = @"55",
Alignment = @"🤍 Unaligned",
Race = @"🧝🏻♂️ Half-Elf",
Class = @"🐉 Warlock"
});
this.Add(new RoleplayTreeGridDataItem()
{
ID = 23,
ParentID = 1,
Name = @"Senen",
Age = @"40",
Alignment = @"💜 Lawful evil",
Race = @"🧒🏻 Hafling",
Class = @"🥊 Fighter"
});
}
}cs
@using IgniteUI.Blazor.Controls
@inject IJSRuntime JS<divclass="container vertical ig-typography"><divclass="container vertical fill"><IgbTreeGridAutoGenerate="false"Name="treeGrid1"
@ref="treeGrid1"Id="treeGrid1"Data="RoleplayTreeGridData"PrimaryKey="ID"ForeignKey="ParentID"><IgbColumnField="Name"Header="Character Name"DataType="GridColumnDataType.String"></IgbColumn><IgbColumnField="Race"Header="Race"DataType="GridColumnDataType.String"Editable="true"InlineEditorTemplateScript="WebTreeGridCellEditCellTemplate"Name="column1"
@ref="column1"></IgbColumn><IgbColumnField="Class"Header="Class"InlineEditorTemplateScript="WebTreeGridCellEditCellTemplate"DataType="GridColumnDataType.String"Editable="true"Name="column2"
@ref="column2"></IgbColumn><IgbColumnField="Age"Header="Age"DataType="GridColumnDataType.String"Editable="true"></IgbColumn><IgbColumnField="Alignment"Header="Alignment"InlineEditorTemplateScript="WebTreeGridCellEditCellTemplate"DataType="GridColumnDataType.String"Editable="true"Name="column3"
@ref="column3"></IgbColumn></IgbTreeGrid></div></div>@code {protectedoverrideasync Task OnAfterRenderAsync(bool firstRender)
{
var treeGrid1 = this.treeGrid1;
var column1 = this.column1;
var column2 = this.column2;
var column3 = this.column3;
}
private IgbTreeGrid treeGrid1;
private IgbColumn column1;
private IgbColumn column2;
private IgbColumn column3;
private RoleplayTreeGridData _roleplayTreeGridData = null;
public RoleplayTreeGridData RoleplayTreeGridData
{
get
{
if (_roleplayTreeGridData == null)
{
_roleplayTreeGridData = new RoleplayTreeGridData();
}
return _roleplayTreeGridData;
}
}
}razor
igRegisterScript("WebTreeGridCellEditCellTemplate", (ctx) => {
var html = window.igTemplating.html;
let cellValues = [];
let uniqueValues = [];
for (const i of ctx.cell.grid.data) {
const field = ctx.cell.column.field;
if (uniqueValues.indexOf(i[field]) === -1) {
if (ctx.cell.value == i[field]) {
cellValues.push(html`<igc-select-itemselectedvalue=${i[field]}>${(i[field])}</igc-select-item>`);
} else cellValues.push(html`<igc-select-itemvalue=${i[field]}>${(i[field])}</igc-select-item>`);
uniqueValues.push(i[field]);
}
}
return html`<igc-selectstyle="width:100%; height:100%; --ig-size: var(--ig-size-large);" @igcChange=${e => ctx.cell.editValue = e.detail.value}>${cellValues}</igc-select>
`
}, false);
js
/*
CSS styles are loaded from the shared CSS file located at:
https://static.infragistics.com/xplatform/css/samples/
*/css
operaciones CRUD
Tenga en cuenta que cuando realice alguna operación CRUD, todas las canalizaciones aplicadas, como filtrado, clasificación y agrupación, se volverán a aplicar y su vista se actualizará automáticamente.
The IgbTreeGrid provides a straightforward API for basic CRUD operations.
Agregar un nuevo registro
El componente IgbTreeGrid expone el método AddRow que agregará los datos proporcionados a la propia fuente de datos.
//Assuming we have a `GetNewRecord` method returning the new row data.
const record = this.GetNewRecord();
this.TreeGridRef.AddRow(record);
razor
Actualización de datos en la cuadrícula de árbol
La actualización de datos en Tree Grid se logra mediante los métodos UpdateRow y UpdateCell, pero solo si se define la clave primaria para la cuadrícula. También puede actualizar directamente un valor de celda y/o fila a través de sus respectivos métodos de actualización.
@code {// Updating the whole rowthis.treeGrid.UpdateRow(newData, this.selectedCell.cellID.rowID);
// Just a particular cell through the Tree Grid APIthis.treeGrid.UpdateCell(newData, this.selectedCell.cellID.rowID, this.selectedCell.column.field);
// Directly using the cell `update` methodthis.selectedCell.Update(newData);
// Directly using the row `update` method
IgbRowType row = this.treeGrid.GetRowByKey(rowID);
row.Update(newData);
}razor
Eliminar datos de la cuadrícula de árbol
Tenga en cuenta que el método DeleteRow eliminará la fila especificada solo si se define una PrimaryKey.
@code {// Delete row through Tree Grid APIthis.treeGrid.DeleteRow(this.selectedCell.cellID.rowID);
// Delete row through row object
IgbRowType row = this.treeGrid.GetRowByIndex(rowIndex);
row.Del();
}razor
Validación de celda al editar evento
Usando los eventos de edición de IgbTreeGrid, podemos alterar la forma en que el usuario interactúa con IgbTreeGrid.
En este ejemplo, validaremos una celda según los datos ingresados en ella vinculándola al evento CellEdit. Si el nuevo valor de la celda no cumple con nuestros criterios predefinidos, evitaremos que llegue a la fuente de datos cancelando el evento.
Lo primero que tenemos que hacer es enlazar al evento de la cuadrícula:
CellEdit se emite cada vez que el valor de cualquier celda está a punto de confirmarse. En nuestra definición de CellEdit, debemos asegurarnos de verificar nuestra columna específica antes de realizar cualquier acción:
*** In JavaScript ***
igRegisterScript("HandleCellEdit", (ev) => {
const column = event.detail.column;
if (column.field === 'Age') {
if (event.detail.newValue < 18) {
event.detail.cancel = true;alert('Employeesmustbeatleast18yearsold!');
}
} elseif (column.field === 'HireDate') {
if (event.detail.newValue > new Date().getTime()) {
event.detail.cancel = true;
alert('The employee hire date must be in the past!');
}
}
}, false);
razor
Si el valor introducido en una celda de la columna Edad es inferior a 18 años o el valor de la columna HireDate está en el futuro, la edición se cancelará y el usuario recibirá una alerta de la cancelación.
El resultado de la validación anterior aplicada a nuestro IgbTreeGrid se puede ver en la siguiente demostración:
EXAMPLE
DATA
MODULES
RAZOR
JS
CSS
using System;
using System.Collections.Generic;
publicclassEmployeesNestedTreeDataItem
{
publicdouble Age { get; set; }
publicstring HireDate { get; set; }
publicdouble ID { get; set; }
publicstring Name { get; set; }
publicstring Phone { get; set; }
publicbool OnPTO { get; set; }
publicdouble ParentID { get; set; }
publicstring Title { get; set; }
}
publicclassEmployeesNestedTreeData
: List<EmployeesNestedTreeDataItem>
{
publicEmployeesNestedTreeData()
{
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 55,
HireDate = @"2008-03-20",
ID = 1,
Name = @"Johnathan Winchester",
Phone = @"0251-031259",
OnPTO = false,
ParentID = -1,
Title = @"Development Manager"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 42,
HireDate = @"2014-01-22",
ID = 4,
Name = @"Ana Sanders",
Phone = @"(21) 555-0091",
OnPTO = true,
ParentID = -1,
Title = @"CEO"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 49,
HireDate = @"2014-01-22",
ID = 18,
Name = @"Victoria Lincoln",
Phone = @"(071) 23 67 22 20",
OnPTO = true,
ParentID = -1,
Title = @"Accounting Manager"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 61,
HireDate = @"2010-01-01",
ID = 10,
Name = @"Yang Wang",
Phone = @"(21) 555-0091",
OnPTO = false,
ParentID = -1,
Title = @"Localization Manager"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 43,
HireDate = @"2011-06-03",
ID = 3,
Name = @"Michael Burke",
Phone = @"0452-076545",
OnPTO = true,
ParentID = 1,
Title = @"Senior Software Developer"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 29,
HireDate = @"2009-06-19",
ID = 2,
Name = @"Thomas Anderson",
Phone = @"(14) 555-8122",
OnPTO = false,
ParentID = 1,
Title = @"Senior Software Developer"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 31,
HireDate = @"2014-08-18",
ID = 11,
Name = @"Monica Reyes",
Phone = @"7675-3425",
OnPTO = false,
ParentID = 1,
Title = @"Software Development Team Lead"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 35,
HireDate = @"2015-09-17",
ID = 6,
Name = @"Roland Mendel",
Phone = @"(505) 555-5939",
OnPTO = false,
ParentID = 11,
Title = @"Senior Software Developer"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 44,
HireDate = @"2009-10-11",
ID = 12,
Name = @"Sven Cooper",
Phone = @"0695-34 67 21",
OnPTO = true,
ParentID = 11,
Title = @"Senior Software Developer"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 44,
HireDate = @"2014-04-04",
ID = 14,
Name = @"Laurence Johnson",
Phone = @"981-443655",
OnPTO = false,
ParentID = 4,
Title = @"Director"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 25,
HireDate = @"2017-11-09",
ID = 5,
Name = @"Elizabeth Richards",
Phone = @"(2) 283-2951",
OnPTO = true,
ParentID = 4,
Title = @"Vice President"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 39,
HireDate = @"2010-03-22",
ID = 13,
Name = @"Trevor Ashworth",
Phone = @"981-443655",
OnPTO = true,
ParentID = 5,
Title = @"Director"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 44,
HireDate = @"2014-04-04",
ID = 17,
Name = @"Antonio Moreno",
Phone = @"(505) 555-5939",
OnPTO = false,
ParentID = 18,
Title = @"Senior Accountant"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 50,
HireDate = @"2007-11-18",
ID = 7,
Name = @"Pedro Rodriguez",
Phone = @"035-640230",
OnPTO = false,
ParentID = 10,
Title = @"Senior Localization Developer"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 27,
HireDate = @"2016-02-19",
ID = 8,
Name = @"Casey Harper",
Phone = @"0342-023176",
OnPTO = true,
ParentID = 10,
Title = @"Senior Localization"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 25,
HireDate = @"2017-11-09",
ID = 15,
Name = @"Patricia Simpson",
Phone = @"069-0245984",
OnPTO = false,
ParentID = 7,
Title = @"Localization Intern"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 39,
HireDate = @"2010-03-22",
ID = 9,
Name = @"Francisco Chang",
Phone = @"(91) 745 6200",
OnPTO = false,
ParentID = 7,
Title = @"Localization Intern"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 25,
HireDate = @"2018-03-18",
ID = 16,
Name = @"Peter Lewis",
Phone = @"069-0245984",
OnPTO = true,
ParentID = 7,
Title = @"Localization Intern"
});
}
}cs
using System;
using System.Net.Http;
using System.Collections.Generic;
using System.Threading.Tasks;
using System.Text;
using Microsoft.AspNetCore.Components.WebAssembly.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using IgniteUI.Blazor.Controls; // for registering Ignite UI modulesnamespaceInfragistics.Samples
{
publicclassProgram
{
publicstaticasync Task Main(string[] args)
{
var builder = WebAssemblyHostBuilder.CreateDefault(args);
builder.RootComponents.Add<App>("app");
builder.Services.AddScoped(sp => new HttpClient { BaseAddress = new Uri(builder.HostEnvironment.BaseAddress) });
// registering Ignite UI modules
builder.Services.AddIgniteUIBlazor(
typeof(IgbInputModule),
typeof(IgbTreeGridModule)
);
await builder.Build().RunAsync();
}
}
}cs
@using IgniteUI.Blazor.Controls
@inject IJSRuntime JS<divclass="container vertical ig-typography"><divclass="container vertical fill"><IgbTreeGridAutoGenerate="false"Name="treeGrid"
@ref="treeGrid"Id="treeGrid"Data="EmployeesNestedTreeData"PrimaryKey="ID"CellEditScript="WebTreeGridCellEdit"ForeignKey="ParentID"><IgbColumnField="Name"DataType="GridColumnDataType.String"></IgbColumn><IgbColumnField="Title"DataType="GridColumnDataType.String"></IgbColumn><IgbColumnField="Age"DataType="GridColumnDataType.Number"Editable="true"></IgbColumn><IgbColumnField="HireDate"DataType="GridColumnDataType.Date"Editable="true"></IgbColumn></IgbTreeGrid></div></div>@code {protectedoverrideasync Task OnAfterRenderAsync(bool firstRender)
{
var treeGrid = this.treeGrid;
}
private IgbTreeGrid treeGrid;
private EmployeesNestedTreeData _employeesNestedTreeData = null;
public EmployeesNestedTreeData EmployeesNestedTreeData
{
get
{
if (_employeesNestedTreeData == null)
{
_employeesNestedTreeData = new EmployeesNestedTreeData();
}
return _employeesNestedTreeData;
}
}
}razor
igRegisterScript("WebTreeGridCellEdit", (event) => {
const column = event.detail.column;
if (column.field === 'Age') {
if (event.detail.newValue < 18) {
event.detail.cancel = true;
alert('Employees must be at least 18 years old!');
}
} elseif (column.field === 'HireDate') {
if (event.detail.newValue > newDate().getTime()) {
event.detail.cancel = true;
alert('The employee hire date must be in the past!');
}
}
}, false);
js
/*
CSS styles are loaded from the shared CSS file located at:
https://static.infragistics.com/xplatform/css/samples/
*/css
Estilo
Además de los temas predefinidos, la cuadrícula se puede personalizar aún más configurando algunas de las propiedades CSS disponibles. En caso de que desee cambiar algunos de los colores, primero debe establecer una clase para la cuadrícula:
<IgbTreeGridClass="treeGrid"></IgbTreeGrid>razor
Luego configure las propiedades CSS relacionadas para esa clase:
using System;
using System.Collections.Generic;
publicclassEmployeesNestedTreeDataItem
{
publicdouble Age { get; set; }
publicstring HireDate { get; set; }
publicdouble ID { get; set; }
publicstring Name { get; set; }
publicstring Phone { get; set; }
publicbool OnPTO { get; set; }
publicdouble ParentID { get; set; }
publicstring Title { get; set; }
}
publicclassEmployeesNestedTreeData
: List<EmployeesNestedTreeDataItem>
{
publicEmployeesNestedTreeData()
{
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 55,
HireDate = @"2008-03-20",
ID = 1,
Name = @"Johnathan Winchester",
Phone = @"0251-031259",
OnPTO = false,
ParentID = -1,
Title = @"Development Manager"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 42,
HireDate = @"2014-01-22",
ID = 4,
Name = @"Ana Sanders",
Phone = @"(21) 555-0091",
OnPTO = true,
ParentID = -1,
Title = @"CEO"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 49,
HireDate = @"2014-01-22",
ID = 18,
Name = @"Victoria Lincoln",
Phone = @"(071) 23 67 22 20",
OnPTO = true,
ParentID = -1,
Title = @"Accounting Manager"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 61,
HireDate = @"2010-01-01",
ID = 10,
Name = @"Yang Wang",
Phone = @"(21) 555-0091",
OnPTO = false,
ParentID = -1,
Title = @"Localization Manager"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 43,
HireDate = @"2011-06-03",
ID = 3,
Name = @"Michael Burke",
Phone = @"0452-076545",
OnPTO = true,
ParentID = 1,
Title = @"Senior Software Developer"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 29,
HireDate = @"2009-06-19",
ID = 2,
Name = @"Thomas Anderson",
Phone = @"(14) 555-8122",
OnPTO = false,
ParentID = 1,
Title = @"Senior Software Developer"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 31,
HireDate = @"2014-08-18",
ID = 11,
Name = @"Monica Reyes",
Phone = @"7675-3425",
OnPTO = false,
ParentID = 1,
Title = @"Software Development Team Lead"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 35,
HireDate = @"2015-09-17",
ID = 6,
Name = @"Roland Mendel",
Phone = @"(505) 555-5939",
OnPTO = false,
ParentID = 11,
Title = @"Senior Software Developer"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 44,
HireDate = @"2009-10-11",
ID = 12,
Name = @"Sven Cooper",
Phone = @"0695-34 67 21",
OnPTO = true,
ParentID = 11,
Title = @"Senior Software Developer"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 44,
HireDate = @"2014-04-04",
ID = 14,
Name = @"Laurence Johnson",
Phone = @"981-443655",
OnPTO = false,
ParentID = 4,
Title = @"Director"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 25,
HireDate = @"2017-11-09",
ID = 5,
Name = @"Elizabeth Richards",
Phone = @"(2) 283-2951",
OnPTO = true,
ParentID = 4,
Title = @"Vice President"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 39,
HireDate = @"2010-03-22",
ID = 13,
Name = @"Trevor Ashworth",
Phone = @"981-443655",
OnPTO = true,
ParentID = 5,
Title = @"Director"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 44,
HireDate = @"2014-04-04",
ID = 17,
Name = @"Antonio Moreno",
Phone = @"(505) 555-5939",
OnPTO = false,
ParentID = 18,
Title = @"Senior Accountant"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 50,
HireDate = @"2007-11-18",
ID = 7,
Name = @"Pedro Rodriguez",
Phone = @"035-640230",
OnPTO = false,
ParentID = 10,
Title = @"Senior Localization Developer"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 27,
HireDate = @"2016-02-19",
ID = 8,
Name = @"Casey Harper",
Phone = @"0342-023176",
OnPTO = true,
ParentID = 10,
Title = @"Senior Localization"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 25,
HireDate = @"2017-11-09",
ID = 15,
Name = @"Patricia Simpson",
Phone = @"069-0245984",
OnPTO = false,
ParentID = 7,
Title = @"Localization Intern"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 39,
HireDate = @"2010-03-22",
ID = 9,
Name = @"Francisco Chang",
Phone = @"(91) 745 6200",
OnPTO = false,
ParentID = 7,
Title = @"Localization Intern"
});
this.Add(new EmployeesNestedTreeDataItem()
{
Age = 25,
HireDate = @"2018-03-18",
ID = 16,
Name = @"Peter Lewis",
Phone = @"069-0245984",
OnPTO = true,
ParentID = 7,
Title = @"Localization Intern"
});
}
}cs
using System;
using System.Net.Http;
using System.Collections.Generic;
using System.Threading.Tasks;
using System.Text;
using Microsoft.AspNetCore.Components.WebAssembly.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using IgniteUI.Blazor.Controls; // for registering Ignite UI modulesnamespaceInfragistics.Samples
{
publicclassProgram
{
publicstaticasync Task Main(string[] args)
{
var builder = WebAssemblyHostBuilder.CreateDefault(args);
builder.RootComponents.Add<App>("app");
builder.Services.AddScoped(sp => new HttpClient { BaseAddress = new Uri(builder.HostEnvironment.BaseAddress) });
// registering Ignite UI modules
builder.Services.AddIgniteUIBlazor(
typeof(IgbInputModule),
typeof(IgbPaginatorModule),
typeof(IgbTreeGridModule)
);
await builder.Build().RunAsync();
}
}
}cs
@using IgniteUI.Blazor.Controls<style>/*
CSS styles are loaded from the shared CSS file located at:
https://static.infragistics.com/xplatform/css/samples/
*/#treeGrid {
--cell-editing-background: #4567bb;
--cell-active-border-color: #4567bb;
--cell-edited-value-color: #fff;
}
</style><divclass="container vertical ig-typography"><divclass="container vertical fill"><IgbTreeGridAutoGenerate="false"Name="treeGrid"
@ref="treeGrid"Id="treeGrid"Data="EmployeesNestedTreeData"PrimaryKey="ID"AllowFiltering="true"ForeignKey="ParentID"><IgbPaginatorPerPage="10"></IgbPaginator><IgbColumnField="Name"DataType="GridColumnDataType.String"Editable="true"></IgbColumn><IgbColumnField="Title"DataType="GridColumnDataType.String"Editable="true"></IgbColumn><IgbColumnField="Age"DataType="GridColumnDataType.Number"Editable="true"></IgbColumn><IgbColumnField="HireDate"DataType="GridColumnDataType.Date"Editable="true"></IgbColumn><IgbColumnField="OnPTO"DataType="GridColumnDataType.Boolean"Editable="true"Width="130px"></IgbColumn></IgbTreeGrid></div></div>@code {protectedoverrideasync Task OnAfterRenderAsync(bool firstRender)
{
var treeGrid = this.treeGrid;
}
private IgbTreeGrid treeGrid;
private EmployeesNestedTreeData _employeesNestedTreeData = null;
public EmployeesNestedTreeData EmployeesNestedTreeData
{
get
{
if (_employeesNestedTreeData == null)
{
_employeesNestedTreeData = new EmployeesNestedTreeData();
}
return _employeesNestedTreeData;
}
}
}razor
/*
CSS styles are loaded from the shared CSS file located at:
https://static.infragistics.com/xplatform/css/samples/
*/#treeGrid {
--cell-editing-background: #4567bb;
--cell-active-border-color: #4567bb;
--cell-edited-value-color: #fff;
}
css