This element represents a multi-line plain-text editing control, useful when you want to allow users to enter a sizeable amount of free-form text, for example a comment on a review or feedback form.
Inheritance
object
ComponentBase
- IComponent
- IHandleEvent
- IHandleAfterRender
- JsonSerializable
- IDisposable
Constructors
Section titled "Constructors"constructor
public IgbTextarea()Returns IgbTextarea
Properties
Section titled "Properties"IgBlazor
Section titled "IgBlazor"Inherited from: BaseRendererControl
[Inject]
protected IIgniteUIBlazor IgBlazor { get; set; }Height
Section titled "Height"Inherited from: BaseRendererControl
[Parameter]
public string Height { get; set; }Width
Section titled "Width"Inherited from: BaseRendererControl
[Parameter]
public string Width { get; set; }Class
Section titled "Class"Inherited from: BaseRendererControl
[Parameter]
public string Class { get; set; }AdditionalAttributes
Section titled "AdditionalAttributes"Inherited from: BaseRendererControl
[Parameter(CaptureUnmatchedValues = true)]
public Dictionary<string, object> AdditionalAttributes { get; set; }ParentTypeName
Section titled "ParentTypeName"Inherited from: BaseRendererControl
protected virtual string ParentTypeName { get; }EventBehavior
Section titled "EventBehavior"Inherited from: BaseRendererControl
Gets or sets how events are bubbled up from JavaScript to Blazor.
[Parameter]
public ControlEventBehavior EventBehavior { get; set; }ChildContent
Section titled "ChildContent"Inherited from: BaseRendererControl
[Parameter]
public RenderFragment ChildContent { get; set; }RoundTripDateConversion
Section titled "RoundTripDateConversion"Inherited from: BaseRendererControl
Gets or sets what type of date conversion to make when round tripping dates.
[Parameter]
public RoundTripDateConversion RoundTripDateConversion { get; set; }NeedsDynamicContent
Section titled "NeedsDynamicContent"Inherited from: BaseRendererControl
protected virtual bool NeedsDynamicContent { get; }UseCamelEnumValues
Section titled "UseCamelEnumValues"Inherited from: BaseRendererControl
protected virtual bool UseCamelEnumValues { get; }Autocapitalize
Section titled "Autocapitalize"Controls whether and how text input is automatically capitalized as it is entered/edited by the user. MDN documentation.
[Parameter]
public string Autocapitalize { get; set; }Autocomplete
Section titled "Autocomplete"Specifies what if any permission the browser has to provide for automated assistance in filling out form field values, as well as guidance to the browser as to the type of information expected in the field. Refer to this page for additional information.
[Parameter]
public string Autocomplete { get; set; }DefaultEventBehavior
Section titled "DefaultEventBehavior"Gets the components default event behavior.
protected override ControlEventBehavior DefaultEventBehavior { get; }DirectRenderElementName
Section titled "DirectRenderElementName"protected override string DirectRenderElementName { get; }Disabled
Section titled "Disabled"The disabled state of the component
[Parameter]
public bool Disabled { get; set; }InputMode
Section titled "InputMode"Hints at the type of data that might be entered by the user while editing the element or its contents. This allows a browser to display an appropriate virtual keyboard. MDN documentation
[Parameter]
[WCAttributeName("inputmode")]
public string InputMode { get; set; }Invalid
Section titled "Invalid"Control the validity of the control.
[Parameter]
public bool Invalid { get; set; }Label
Section titled "Label"The label for the control.
[Parameter]
public string Label { get; set; }MaxLength
Section titled "MaxLength"The maximum number of characters (UTF-16 code units) that the user can enter. If this value isn't specified, the user can enter an unlimited number of characters.
[Parameter]
[WCAttributeName("maxlength")]
public double MaxLength { get; set; }MinLength
Section titled "MinLength"The minimum number of characters (UTF-16 code units) required that the user should enter.
[Parameter]
[WCAttributeName("minlength")]
public double MinLength { get; set; }Outlined
Section titled "Outlined"Whether the control will have outlined appearance.
[Parameter]
public bool Outlined { get; set; }Placeholder
Section titled "Placeholder"The placeholder attribute of the control.
[Parameter]
public string Placeholder { get; set; }ReadOnly
Section titled "ReadOnly"Makes the control a readonly field.
[Parameter]
[WCAttributeName("readonly")]
public bool ReadOnly { get; set; }Required
Section titled "Required"Makes the control a required field in a form context.
[Parameter]
public bool Required { get; set; }Resize
Section titled "Resize"Controls whether the control can be resized. When auto is set, the control will try to expand and fit its content.
[Parameter]
public TextareaResize Resize { get; set; }The number of visible text lines for the control. If it is specified, it must be a positive integer. If it is not specified, the default value is 3.
[Parameter]
public double Rows { get; set; }Spellcheck
Section titled "Spellcheck"Controls whether the element may be checked for spelling errors.
[Parameter]
public bool Spellcheck { get; set; }SupportsVisualChildren
Section titled "SupportsVisualChildren"protected override bool SupportsVisualChildren { get; }public override string Type { get; }UseDirectRender
Section titled "UseDirectRender"protected override bool UseDirectRender { get; }ValidateOnly
Section titled "ValidateOnly"Enables validation rules to be evaluated without restricting user input. This applies to the maxLength property when it is defined.
[Parameter]
public bool ValidateOnly { get; set; }Value
Section titled "Value"The value of the component
[Parameter]
public string Value { get; set; }Indicates how the control should wrap the value for form submission. Refer to this page on MDN for explanation of the available values.
[Parameter]
public TextareaWrap Wrap { get; set; }Accessors
Section titled "Accessors"eventCallbacksCache
Section titled "eventCallbacksCache"Inherited from: BaseRendererControl
protected Dictionary<Type, Dictionary<string, FieldInfo>> eventCallbacksCache_cachedSerializedContent
Section titled "_cachedSerializedContent"Inherited from: BaseRendererControl
protected string _cachedSerializedContentMethods
Section titled "Methods"ResolveEventBehavior()
Section titled "ResolveEventBehavior()"Inherited from: BaseRendererControl
Resolves the components event behavior if Auto is selected.
protected ControlEventBehavior ResolveEventBehavior()Returns any
ToSpinal(string)
Section titled "ToSpinal(string)"Inherited from: BaseRendererControl
protected string ToSpinal(string value)Parameters
- value:
string
Returns any
TransformSimpleKey(string)
Section titled "TransformSimpleKey(string)"Inherited from: BaseRendererControl
protected virtual string TransformSimpleKey(string key)Parameters
- key:
string
Returns any
IsTransformedEnumValue(string)
Section titled "IsTransformedEnumValue(string)"Inherited from: BaseRendererControl
protected virtual bool IsTransformedEnumValue(string key)Parameters
- key:
string
Returns any
TransformPotentialEnumValue(string, object)
Section titled "TransformPotentialEnumValue(string, object)"Inherited from: BaseRendererControl
protected virtual object TransformPotentialEnumValue(string key, object value)Parameters
- key:
string - value:
object
Returns any
BuildSequenceInfo(int)
Section titled "BuildSequenceInfo(int)"Inherited from: BaseRendererControl
protected virtual SequenceInfo BuildSequenceInfo(int startSequence)Parameters
- startSequence:
int
Returns any
BuildRenderTree(RenderTreeBuilder)
Section titled "BuildRenderTree(RenderTreeBuilder)"Inherited from: BaseRendererControl
protected override void BuildRenderTree(RenderTreeBuilder builder)Parameters
- builder:
RenderTreeBuilder
Returns any
TemplateContentType(string)
Section titled "TemplateContentType(string)"Inherited from: BaseRendererControl
protected Type TemplateContentType(string templateId)Parameters
- templateId:
string
Returns any
OnAfterRenderAsync(bool)
Section titled "OnAfterRenderAsync(bool)"Inherited from: BaseRendererControl
protected override Task OnAfterRenderAsync(bool firstRender)Parameters
- firstRender:
bool
Returns any
EnsureReady()
Section titled "EnsureReady()"Inherited from: BaseRendererControl
public Task EnsureReady()Returns any
MarkPropDirty(string)
Section titled "MarkPropDirty(string)"Inherited from: BaseRendererControl
protected void MarkPropDirty(string propertyName)Parameters
- propertyName:
string
Returns any
IsPropDirty(string)
Section titled "IsPropDirty(string)"Inherited from: BaseRendererControl
protected bool IsPropDirty(string propertyName)Parameters
- propertyName:
string
Returns any
Serialize(SerializationContext, string)
Section titled "Serialize(SerializationContext, string)"Inherited from: BaseRendererControl
public void Serialize(SerializationContext context, string propertyName = null)Parameters
- context:
SerializationContext - propertyName:
string
Returns any
Serialize()
Section titled "Serialize()"Inherited from: BaseRendererControl
public string Serialize()Returns any
InvokeMethod(string, object[], string[], ElementReference[])
Section titled "InvokeMethod(string, object[], string[], ElementReference[])"Inherited from: BaseRendererControl
protected Task<object> InvokeMethod(string methodName, object[] arguments, string[] types, ElementReference[] nativeElements = null)Parameters
- methodName:
string - arguments:
object[] - types:
string[] - nativeElements:
ElementReference[]
Returns any
InvokeMethodSync(string, object[], string[], ElementReference[])
Section titled "InvokeMethodSync(string, object[], string[], ElementReference[])"Inherited from: BaseRendererControl
protected object InvokeMethodSync(string methodName, object[] arguments, string[] types, ElementReference[] nativeElements = null)Parameters
- methodName:
string - arguments:
object[] - types:
string[] - nativeElements:
ElementReference[]
Returns any
SuspendNotifications(object)
Section titled "SuspendNotifications(object)"Inherited from: BaseRendererControl
Prevents data change notifications from be propagated to the component.
public void SuspendNotifications(object dataSource)Parameters
- dataSource:
object
Returns any
ResumeNotifications(object, bool)
Section titled "ResumeNotifications(object, bool)"Inherited from: BaseRendererControl
Resumes data change notifications.
public void ResumeNotifications(object dataSource, bool notify = true)Parameters
- dataSource:
object - notify:
bool
Returns any
NotifyInsertItem(object, int, object)
Section titled "NotifyInsertItem(object, int, object)"Inherited from: BaseRendererControl
public void NotifyInsertItem(object dataSource, int index, object refItem)Parameters
- dataSource:
object - index:
int - refItem:
object
Returns any
NotifyRemoveItem(object, int, object)
Section titled "NotifyRemoveItem(object, int, object)"Inherited from: BaseRendererControl
public void NotifyRemoveItem(object dataSource, int index, object oldItem)Parameters
- dataSource:
object - index:
int - oldItem:
object
Returns any
NotifyClearItems(object)
Section titled "NotifyClearItems(object)"Inherited from: BaseRendererControl
public void NotifyClearItems(object dataSource)Parameters
- dataSource:
object
Returns any
NotifySetItem(object, int, object, object)
Section titled "NotifySetItem(object, int, object, object)"Inherited from: BaseRendererControl
public void NotifySetItem(object dataSource, int index, object oldItem, object newItem)Parameters
- dataSource:
object - index:
int - oldItem:
object - newItem:
object
Returns any
NotifyUpdateItem(object, int, object, bool)
Section titled "NotifyUpdateItem(object, int, object, bool)"Inherited from: BaseRendererControl
public void NotifyUpdateItem(object dataSource, int index, object refItem, bool syncDataOnly = false)Parameters
- dataSource:
object - index:
int - refItem:
object - syncDataOnly:
bool
Returns any
OnRefChanged(string, object)
Section titled "OnRefChanged(string, object)"Inherited from: BaseRendererControl
public void OnRefChanged(string refName, object refValue)Parameters
- refName:
string - refValue:
object
Returns any
OnInvokeReturn(long, object)
Section titled "OnInvokeReturn(long, object)"Inherited from: BaseRendererControl
public void OnInvokeReturn(long invokeId, object returnValue)Parameters
- invokeId:
long - returnValue:
object
Returns any
Camelize(string)
Section titled "Camelize(string)"Inherited from: BaseRendererControl
protected string Camelize(string value)Parameters
- value:
string
Returns any
ToPascal(string)
Section titled "ToPascal(string)"Inherited from: BaseRendererControl
protected string ToPascal(string value)Parameters
- value:
string
Returns any
OnElementNameChanged(BaseRendererElement, string, string)
Section titled "OnElementNameChanged(BaseRendererElement, string, string)"Inherited from: BaseRendererControl
protected void OnElementNameChanged(BaseRendererElement element, string oldName, string newName)Parameters
- element:
BaseRendererElement - oldName:
string - newName:
string
Returns any
Dispose(bool)
Section titled "Dispose(bool)"Inherited from: BaseRendererControl
protected virtual void Dispose(bool disposing)Parameters
- disposing:
bool
Returns any
SetResourceStringAsync(string, string, string)
Section titled "SetResourceStringAsync(string, string, string)"Inherited from: BaseRendererControl
public Task<object> SetResourceStringAsync(string grouping, string id, string value)Parameters
- grouping:
string - id:
string - value:
string
Returns any
SetResourceStringAsync(string, string)
Section titled "SetResourceStringAsync(string, string)"Inherited from: BaseRendererControl
public Task<object> SetResourceStringAsync(string grouping, string json)Parameters
- grouping:
string - json:
string
Returns any
SetPropertyValue(object, PropertyInfo, JsonElement)
Section titled "SetPropertyValue(object, PropertyInfo, JsonElement)"Inherited from: BaseRendererControl
protected void SetPropertyValue(object item, PropertyInfo property, JsonElement jsonElement)Parameters
- item:
object - property:
PropertyInfo - jsonElement:
JsonElement
Returns any
SetPropertyValue(object, PropertyInfo, object)
Section titled "SetPropertyValue(object, PropertyInfo, object)"Inherited from: BaseRendererControl
protected void SetPropertyValue(object item, PropertyInfo property, object value)Parameters
- item:
object - property:
PropertyInfo - value:
object
Returns any
Dispose()
Section titled "Dispose()"Inherited from: BaseRendererControl
public void Dispose()Returns any
CheckValidity()
Section titled "CheckValidity()"public void CheckValidity()Returns any
CheckValidityAsync()
Section titled "CheckValidityAsync()"Checks for validity of the control and emits the invalid event if it invalid.
public Task CheckValidityAsync()Returns any
EnsureModulesLoaded()
Section titled "EnsureModulesLoaded()"protected override void EnsureModulesLoaded()Returns any
FindByName(string)
Section titled "FindByName(string)"public override object FindByName(string name)Parameters
- name:
string
Returns any
GetCurrentValue()
Section titled "GetCurrentValue()"public string GetCurrentValue()Returns any
GetCurrentValueAsync()
Section titled "GetCurrentValueAsync()"public Task<string> GetCurrentValueAsync()Returns any
ReportValidity()
Section titled "ReportValidity()"public void ReportValidity()Returns any
ReportValidityAsync()
Section titled "ReportValidityAsync()"Checks for validity of the control and shows the browser message if it invalid.
public Task ReportValidityAsync()Returns any
ResolveDisplay()
Section titled "ResolveDisplay()"protected override string ResolveDisplay()Returns any
Select()
Section titled "Select()"public void Select()Returns any
SelectAsync()
Section titled "SelectAsync()"Selects all text within the control.
public Task SelectAsync()Returns any
SetCustomValidity(string)
Section titled "SetCustomValidity(string)"public void SetCustomValidity(string message)Parameters
- message:
string
Returns any
SetCustomValidityAsync(string)
Section titled "SetCustomValidityAsync(string)"Sets a custom validation message for the control. As long as message is not empty, the control is considered invalid.
public Task SetCustomValidityAsync(string message)Parameters
- message:
string
Returns any
SetNativeElement(object)
Section titled "SetNativeElement(object)"public void SetNativeElement(object element)Parameters
- element:
object
Returns any
SetNativeElementAsync(object)
Section titled "SetNativeElementAsync(object)"public Task SetNativeElementAsync(object element)Parameters
- element:
object
Returns any
Events
Section titled "Events"[Parameter]
public EventCallback<IgbVoidEventArgs> Blur { get; set; }Change
Section titled "Change"[Parameter]
public EventCallback<IgbComponentValueChangedEventArgs> Change { get; set; }Focus
Section titled "Focus"[Parameter]
public EventCallback<IgbVoidEventArgs> Focus { get; set; }Input
Section titled "Input"[Parameter]
public EventCallback<IgbComponentValueChangedEventArgs> Input { get; set; }ValueChanged
Section titled "ValueChanged"[Parameter]
public EventCallback<string> ValueChanged { get; set; }BlurScript
Section titled "BlurScript"[Parameter]
public string BlurScript { get; set; }ChangeScript
Section titled "ChangeScript"[Parameter]
public string ChangeScript { get; set; }FocusScript
Section titled "FocusScript"[Parameter]
public string FocusScript { get; set; }InputScript
Section titled "InputScript"[Parameter]
public string InputScript { get; set; }