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Post Updates to WebHierarchicalDataSource using WebGrid
posted

I have created a WebHierarchicalDataSource with 2 underlying SqlDataSource controls with a simple parent-child relationship that I am attempting to bind to a grid. The grid displays all data correctly with all parent and child rows, however when a row is updated the change is not posted back to the SQL server.

To troubleshoot, I created a second grid on the same page and bound it directly to the parent SqlDataSource and updates work fine on that grid - settings on both grids are exactly the same other than the data source that they point to.

  •  AJAX is enabled on both grids
  • BaseTableName and DataKeyField are configured on both grids
  • BaseColumnName and IsBound are configured on all columns on both grids
  • UpdateRow event handler is present for both grids

Am I missing something?!? Thanks in advance for helping a noob...

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  • 28464
    posted

    Hello, 

    The setup seems perfectly valid, the only thing that might be missing is to auto-generate the Update/Insert/Delete/Read command oof the underlying datasources - they are not generated by default. You can switch to design mode, click "Configure" for both datasource and then there are a couple of tabs on the righr (I think they were called "Advanced") and there you can generate the commands.

    Was this the problem? Other than that, I just tried this setup of the grid (with Access, but same principles should apply) and it worked just fine

    <%@ Page Language="C#" AutoEventWireup="true" CodeFile="ultrawebgrid_crud.aspx.cs" Inherits="_Default" %>

    <%@ Register Assembly="Infragistics35.Web.v8.2, Version=8.2.20082.1, Culture=neutral, PublicKeyToken=7dd5c3163f2cd0cb"
        Namespace="Infragistics.Web.UI.DataSourceControls" TagPrefix="aikido" %>
    <%@ Register Assembly="Infragistics35.WebUI.UltraWebGrid.v8.2, Version=8.2.20082.1, Culture=neutral, PublicKeyToken=7dd5c3163f2cd0cb"
        Namespace="Infragistics.WebUI.UltraWebGrid" TagPrefix="igtbl" %>
       
       
    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <html xmlns="http://www.w3.org/1999/xhtml">
    <head runat="server">
        <title>Untitled Page</title>
    </head>
    <body>
        <form id="form1" runat="server">
       
        <asp:ScriptManager runat="server" ID="ScriptManager1" />
       
        <igtbl:UltraWebGrid
            ID="UltraWebGrid1"
            runat="server"
            Width="725px"
            DataSourceID="WebHierarchicalDataSource1"
            oninitializerow="UltraWebGrid1_InitializeRow">
            <Bands>
                <igtbl:UltraGridBand BaseTableName="Categories" DataKeyField="CategoryID">
                    <AddNewRow Visible="NotSet" View="NotSet">
                    </AddNewRow>
                </igtbl:UltraGridBand>
                <igtbl:UltraGridBand BaseTableName="Products" DataKeyField="ProductID">
                    <AddNewRow Visible="NotSet" View="NotSet">
                    </AddNewRow>               
                </igtbl:UltraGridBand>
               
            </Bands>
            <DisplayLayout Name="UltraWebGrid1" BorderCollapseDefault="Separate" RowHeightDefault="20px" ViewType="Hierarchical"
                Version="4.00" AllowUpdateDefault="Yes">
                <FrameStyle BorderStyle="Solid" BorderWidth="1px" Font-Names="Verdana" Font-Size="8pt"
                    Height="200px" Width="325px">
                </FrameStyle>
                <Pager>
                    <PagerStyle BackColor="LightGray" BorderStyle="Solid" BorderWidth="1px">
                        <BorderDetails ColorLeft="White" ColorTop="White" />
                    </PagerStyle>
                </Pager>
                <EditCellStyleDefault BorderStyle="None" BorderWidth="0px">
                </EditCellStyleDefault>
                <HeaderStyleDefault BackColor="LightGray" BorderStyle="Solid">
                    <BorderDetails ColorLeft="White" ColorTop="White" />
                </HeaderStyleDefault>
                <RowStyleDefault BackColor="White" BorderColor="Gray" BorderStyle="Solid" BorderWidth="1px"
                    Font-Names="Verdana" Font-Size="8pt">
                    <Padding Left="3px" />
                    <BorderDetails ColorLeft="White" ColorTop="White" />
                </RowStyleDefault>
                <AddNewBox>
                    <BoxStyle BackColor="LightGray" BorderStyle="Solid" BorderWidth="1px">
                        <BorderDetails ColorLeft="White" ColorTop="White" />
                    </BoxStyle>
                </AddNewBox>
                <ActivationObject BorderColor="" BorderWidth="">
                </ActivationObject>
            </DisplayLayout>
        </igtbl:UltraWebGrid>
       
        <aikido:WebHierarchicalDataSource ID="WebHierarchicalDataSource1" runat="server">
            <DataRelations>
                <aikido:DataRelation ChildColumns="CategoryID"
                    ChildDataViewID="AccessDataSource2_DefaultView" ParentColumns="CategoryID"
                    ParentDataViewID="AccessDataSource1_DefaultView" />
            </DataRelations>
            <DataViews>
                <aikido:DataView ID="AccessDataSource1_DefaultView" DataMember="DefaultView"
                    DataSourceID="AccessDataSource1" />
                <aikido:DataView ID="AccessDataSource2_DefaultView" DataMember="DefaultView"
                    DataSourceID="AccessDataSource2" />
            </DataViews>
        </aikido:WebHierarchicalDataSource>

        <asp:AccessDataSource ID="AccessDataSource1" runat="server"
            DataFile="~/App_Data/Northwind.mdb"
            SelectCommand="SELECT [CategoryID], [CategoryName], [Description] FROM [Categories]">
        </asp:AccessDataSource>
        <asp:AccessDataSource ID="AccessDataSource2" runat="server"
            DataFile="~/App_Data/Northwind.mdb"
            SelectCommand="SELECT [ProductID], [ProductName], [CategoryID] FROM [Products]">
        </asp:AccessDataSource>


       
        </form>
    </body>
    </html>
     

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