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RadTextBox

Class

RadTextBox is a simple input control for letting the user enter text values. It shares the common properties of all RadInput controls, including support for skins, styles for different states, empty message support, conditional postback on text change, flexible caret and button positioning, labels, and so on. You can find information on the Server-side API of RadTextBox at .

Definition

Namespace:Telerik.Web.UI

Assembly:Telerik.Web.UI.dll

Syntax:

[ClientScriptResource("Telerik.Web.UI.RadTextBox", "Telerik.Web.UI.Input.TextBox.RadInputScript.js")]
[ValidationProperty("ValidationText")]
[ControlValueProperty("Text")]
[ToolboxBitmap(typeof(RadTextBox), "Toolbox.Icons.Input.png")]
[TelerikToolboxCategory("Data Editing")]
public class RadTextBox : RadInputControl, IComponent, IDisposable, IParserAccessor, IUrlResolutionService, IDataBindingsAccessor, IControlBuilderAccessor, IControlDesignerAccessor, IExpressionsAccessor, IAttributeAccessor, IScriptControl, IControlResolver, IPostBackDataHandler, ISkinnableControl, IControl, IPostBackEventHandler, INamingContainer, IEditableTextControl, ITextControl

Inheritance: objectControlWebControlRadWebControlRadInputControlRadTextBox...

Implements: IAttributeAccessorIComponentIControlIControlBuilderAccessorIControlDesignerAccessorIControlResolverIDataBindingsAccessorIDisposableIEditableTextControlIExpressionsAccessorINamingContainerIParserAccessorIPostBackDataHandlerIPostBackEventHandlerIScriptControlISkinnableControlITextControlIUrlResolutionService...

Constructors

RadTextBox()

public RadTextBox()

Properties

Columns

int

Gets or sets the display width of the RadTextBox in characters.

public virtual int Columns { get; set; }

Property Value:

The display width, in characters, of the RadTextBox. The default is 0, which indicates that the property is not set.

Exceptions: ArgumentOutOfRangeException

The specified width is less than 0.

.NET Framework
Supported in: 3.0, 2.0, 1.1, 1.0

Example:

cs-api-definition
&lt;/%@ Page Language="C#" AutoEventWireup="True" /%&gt;


&lt;/%@ Register Assembly="RadInput.Net2" Namespace="Telerik.WebControls" TagPrefix="radI" /%&gt;


&lt;!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"&gt;
&lt;html&gt;
&lt;head&gt;
&lt;title&gt;RadTextBox Example &lt;/title&gt;


&lt;script runat="server"&gt;


protected void AddButton_Click(Object sender, EventArgs e)
{
int Answer;


Answer = Convert.ToInt32(Value1.Text) + Convert.ToInt32(Value2.Text);


AnswerMessage.Text = Answer.ToString();


}


&lt;/script&gt;


&lt;/head&gt;
&lt;body&gt;
&lt;form id="form1" runat="server"&gt;
&lt;h3&gt;
RadTextBox Example
&lt;/h3&gt;


&lt;table&gt;
&lt;tr&gt;
&lt;td colspan="5"&gt;
Enter integer values into the text boxes.
&lt;br /&gt;

Click the Add button to add the two values.
&lt;br /&gt;
Click the Reset button to reset the text boxes.
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td colspan="5"&gt;


&lt;/td&gt;
&lt;/tr&gt;
&lt;tr align="center"&gt;
&lt;td&gt;
&lt;radI:RadTextBox ID="Value1" Columns="2" MaxLength="3" Text="1" runat="server" /&gt;
&lt;/td&gt;

&lt;td&gt;
+
&lt;/td&gt;
&lt;td&gt;
&lt;radI:RadTextBox ID="Value2" Columns="2" MaxLength="3" Text="1" runat="server" /&gt;
&lt;/td&gt;
&lt;td&gt;
=
&lt;/td&gt;

&lt;td&gt;
&lt;asp:Label ID="AnswerMessage" runat="server" /&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td colspan="2"&gt;
&lt;asp:RequiredFieldValidator ID="Value1RequiredValidator" ControlToValidate="Value1"

ErrorMessage="Please enter a value.&lt;br /&gt;" Display="Dynamic" runat="server" /&gt;
&lt;asp:RangeValidator ID="Value1RangeValidator" ControlToValidate="Value1" Type="Integer"
MinimumValue="1" MaximumValue="100" ErrorMessage="Please enter an integer &lt;br /&gt; between than 1 and 100.&lt;br /&gt;"

Display="Dynamic" runat="server" /&gt;
&lt;/td&gt;
&lt;td colspan="2"&gt;
&lt;asp:RequiredFieldValidator ID="Value2RequiredValidator" ControlToValidate="Value2"
ErrorMessage="Please enter a value.&lt;br /&gt;" Display="Dynamic" runat="server" /&gt;

&lt;asp:RangeValidator ID="Value2RangeValidator" ControlToValidate="Value2" Type="Integer"
MinimumValue="1" MaximumValue="100" ErrorMessage="Please enter an integer &lt;br /&gt; between than 1 and 100.&lt;br /&gt;"
Display="Dynamic" runat="server" /&gt;
&lt;/td&gt;

&lt;td&gt;
&amp;nbsp
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr align="center"&gt;
&lt;td colspan="4"&gt;
&lt;asp:Button ID="AddButton" Text="Add" OnClick="AddButton_Click" runat="server" /&gt;
&lt;/td&gt;
&lt;td&gt;


&lt;/td&gt;
&lt;/tr&gt;
&lt;/table&gt;
&lt;/form&gt;
&lt;/body&gt;
&lt;/html&gt;
cs-api-definition.skip-repl
&lt;/%@ Page Language="VB" AutoEventWireup="True" /%&gt;

&lt;/%@ Register Assembly="RadInput.Net2" Namespace="Telerik.WebControls" TagPrefix="radI" /%&gt;

&lt;!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"&gt;
&lt;html&gt;
&lt;head&gt;

&lt;title&gt;TextBox Example &lt;/title&gt;

&lt;script runat="server"&gt;

Protected Sub AddButton_Click(sender As Object, e As EventArgs)

Dim Answer As Integer

Answer = Convert.ToInt32(Value1.Text) + Convert.ToInt32(Value2.Text)

AnswerMessage.Text = Answer.ToString()

End Sub


&lt;/script&gt;

&lt;/head&gt;
&lt;body&gt;
&lt;form id="form1" runat="server"&gt;
&lt;h3&gt;
RadTextBox Example
&lt;/h3&gt;
&lt;table&gt;
&lt;tr&gt;
&lt;td colspan="5"&gt;
Enter integer values into the text boxes.

&lt;br /&gt;
Click the Add button to add the two values.
&lt;br /&gt;
Click the Reset button to reset the text boxes.
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td colspan="5"&gt;

&lt;/td&gt;

&lt;/tr&gt;
&lt;tr align="center"&gt;
&lt;td&gt;
&lt;radI:RadTextBox ID="Value1" Columns="2" MaxLength="3" Text="1" runat="server" /&gt;
&lt;/td&gt;
&lt;td&gt;
+
&lt;/td&gt;
&lt;td&gt;

&lt;radI:RadTextBox ID="Value2" Columns="2" MaxLength="3" Text="1" runat="server" /&gt;
&lt;/td&gt;
&lt;td&gt;
=
&lt;/td&gt;
&lt;td&gt;
&lt;asp:Label ID="AnswerMessage" runat="server" /&gt;
&lt;/td&gt;

&lt;/tr&gt;
&lt;tr&gt;
&lt;td colspan="2"&gt;
&lt;asp:RequiredFieldValidator ID="Value1RequiredValidator" ControlToValidate="Value1"
ErrorMessage="Please enter a value.&lt;br /&gt;" Display="Dynamic" runat="server" /&gt;

&lt;asp:RangeValidator ID="Value1RangeValidator" ControlToValidate="Value1" Type="Integer"
MinimumValue="1" MaximumValue="100" ErrorMessage="Please enter an integer &lt;br /&gt; between than 1 and 100.&lt;br /&gt;"
Display="Dynamic" runat="server" /&gt;
&lt;/td&gt;

&lt;td colspan="2"&gt;
&lt;asp:RequiredFieldValidator ID="Value2RequiredValidator" ControlToValidate="Value2"
ErrorMessage="Please enter a value.&lt;br /&gt;" Display="Dynamic" runat="server" /&gt;
&lt;asp:RangeValidator ID="Value2RangeValidator" ControlToValidate="Value2" Type="Integer"

MinimumValue="1" MaximumValue="100" ErrorMessage="Please enter an integer &lt;br /&gt; between than 1 and 100.&lt;br /&gt;"
Display="Dynamic" runat="server" /&gt;
&lt;/td&gt;
&lt;td&gt;
&amp;nbsp
&lt;/td&gt;
&lt;/tr&gt;

&lt;tr align="center"&gt;
&lt;td colspan="4"&gt;
&lt;asp:Button ID="AddButton" Text="Add" OnClick="AddButton_Click" runat="server" /&gt;
&lt;/td&gt;
&lt;td&gt;

&lt;/td&gt;
&lt;/tr&gt;
&lt;/table&gt;
&lt;/form&gt;
&lt;/body&gt;
&lt;/html&gt;

InputType

Html5InputType

Get or sets the specific HTML input type that will be rendered in the control

public virtual Html5InputType InputType { get; set; }

PasswordStrengthSettings

InputPasswordStrengthSettings

Gets the settings that are determining the strenght of a RadTextBox with type set to password.

[PersistenceMode(PersistenceMode.InnerProperty)]
public InputPasswordStrengthSettings PasswordStrengthSettings { get; }

Property Value:

The settings that are determining the strenght of a RadTextBox with type set to password.

Resizable

bool

protected override bool Resizable { get; }

Overrides: RadInputControl.Resizable

Resize

ResizeMode

Use this property to set resizing mode of RadTextBox when TextMode is InputMode.MultiLine.

public ResizeMode Resize { get; set; }

Property Value:

Supports ResizeMode enumeration values: None, Both, Horizontal, and Vertical

Rows

int

Gets or sets the number of rows displayed in a multiline RadTextBox.

[Themeable(false)]
public virtual int Rows { get; set; }

Property Value:

The number of rows in a multiline RadTextBox. The default is 0, which displays a two-line text box.

Use the Rows property to specify the number of rows displayed in a multiline RadTextBox. This property is applicable only when the TextMode property is set to MultiLine. This property cannot be set by themes or style sheet themes. This example has a text box that accepts user input, which is a potential security threat. By default, ASP.NET Web pages validate that user input does not include script or HTML elements.

Example:

cs-api-definition
&lt;/%@ Page Language="C#" AutoEventWireup="True" /%&gt;


&lt;/%@ Register Assembly="RadInput.Net2" Namespace="Telerik.WebControls" TagPrefix="radI" /%&gt;


&lt;!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"&gt;
&lt;html&gt;
&lt;head&gt;
&lt;title&gt;MultiLine TextBox Example &lt;/title&gt;


&lt;script runat="server"&gt;
protected void SubmitButton_Click(Object sender, EventArgs e)
{
Message.Text = "Thank you for your comment: &lt;br /&gt;" + Comment.Text;
}


protected void Check_Change(Object sender, EventArgs e)
{
Comment.Wrap = WrapCheckBox.Checked;
Comment.ReadOnly = ReadOnlyCheckBox.Checked;
}


&lt;/script&gt;


&lt;/head&gt;
&lt;body&gt;
&lt;form id="form1" runat="server"&gt;
&lt;h3&gt;
MultiLine TextBox Example
&lt;/h3&gt;
Please enter a comment and click the submit button.
&lt;br /&gt;
&lt;br /&gt;

&lt;radI:RadTextBox ID="Comment" TextMode="MultiLine" Columns="50" Rows="5" runat="server" /&gt;
&lt;br /&gt;
&lt;asp:RequiredFieldValidator ID="Value1RequiredValidator" ControlToValidate="Comment"
ErrorMessage="Please enter a comment.&lt;br /&gt;" Display="Dynamic" runat="server" /&gt;

&lt;asp:CheckBox ID="WrapCheckBox" Text="Wrap Text" Checked="True" AutoPostBack="True"
OnCheckedChanged="Check_Change" runat="server" /&gt;


&lt;asp:CheckBox ID="ReadOnlyCheckBox" Text="ReadOnly" Checked="False" AutoPostBack="True"
OnCheckedChanged="Check_Change" runat="server" /&gt;


&lt;asp:Button ID="SubmitButton" Text="Submit" OnClick="SubmitButton_Click" runat="server" /&gt;
&lt;hr /&gt;
&lt;asp:Label ID="Message" runat="server" /&gt;
&lt;/form&gt;
&lt;/body&gt;
&lt;/html&gt;
cs-api-definition.skip-repl
&lt;/%@ Page Language="VB" AutoEventWireup="True" /%&gt;

&lt;/%@ Register Assembly="RadInput.Net2" Namespace="Telerik.WebControls" TagPrefix="radI" /%&gt;

&lt;!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"

"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"&gt;
&lt;html&gt;
&lt;head&gt;
&lt;title&gt;MultiLine RadTextBox Example &lt;/title&gt;

&lt;script runat="server"&gt;

Protected Sub SubmitButton_Click(sender As Object, e As EventArgs )


Message.Text = "Thank you for your comment: &lt;br /&gt;" + Comment.Text

End Sub

Protected Sub Check_Change(sender As Object, e As EventArgs )

Comment.Wrap = WrapCheckBox.Checked
Comment.ReadOnly = ReadOnlyCheckBox.Checked

End Sub

&lt;/script&gt;

&lt;/head&gt;
&lt;body&gt;

&lt;form id="form1" runat="server"&gt;
&lt;h3&gt;
MultiLine RadTextBox Example
&lt;/h3&gt;
Please enter a comment and click the submit button.
&lt;br /&gt;
&lt;br /&gt;
&lt;radI:RadTextBox ID="Comment" TextMode="MultiLine" Columns="50" Rows="5" runat="server" /&gt;

&lt;br /&gt;
&lt;asp:RequiredFieldValidator ID="Value1RequiredValidator" ControlToValidate="Comment"
ErrorMessage="Please enter a comment.&lt;br /&gt;" Display="Dynamic" runat="server" /&gt;
&lt;asp:CheckBox ID="WrapCheckBox" Text="Wrap Text" Checked="True" AutoPostBack="True"
OnCheckedChanged="Check_Change" runat="server" /&gt;


&lt;asp:CheckBox ID="ReadOnlyCheckBox" Text="ReadOnly" Checked="False" AutoPostBack="True"
OnCheckedChanged="Check_Change" runat="server" /&gt;

&lt;asp:Button ID="SubmitButton" Text="Submit" OnClick="SubmitButton_Click" runat="server" /&gt;
&lt;hr /&gt;
&lt;asp:Label ID="Message" runat="server" /&gt;

&lt;/form&gt;
&lt;/body&gt;
&lt;/html&gt;

ShowPasswordButton

bool

Gets or sets a value indicating whether a toggle button for showing/hiding the password is displayed. Only effective when TextMode is set to Password.

public bool ShowPasswordButton { get; set; }

SmartPasteDescription

string

public virtual string SmartPasteDescription { get; set; }

TagKey

HtmlTextWriterTag

protected override HtmlTextWriterTag TagKey { get; }

Overrides: RadInputControl.TagKey

TextMode

InputMode

Gets or sets the behavior mode (single-line, multiline, or password) of the RadTextBox control.

public InputMode TextMode { get; set; }

Property Value:

One of the RadInputTextBoxMode enumeration values. The default value is SingleLine.

Exceptions: ArgumentOutOfRangeException

The specified mode is not one of the TextBoxMode enumeration values.

Use the TextMode property to specify whether a RadTextBox control is displayed as a single-line, multiline, or password text box.

When the RadTextBox control is in multiline mode, you can control the number of rows displayed by setting the Rows property. You can also specify whether the text should wrap by setting the Wrap property.

If the RadTextBox control is in password mode, all characters entered in the control are masked.

This property cannot be set by themes or style sheet themes

Example:

cs-api-definition
&lt;%@ Page Language="VB" AutoEventWireup="True" %&gt;

&lt;%@ Register Assembly="RadInput.Net2" Namespace="Telerik.WebControls" TagPrefix="radI" %&gt;

&lt;!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"&gt;
&lt;html&gt;
&lt;head&gt;
&lt;title&gt;MultiLine RadTextBox Example &lt;/title&gt;

&lt;script runat="server"&gt;

Protected Sub SubmitButton_Click(sender As Object, e As EventArgs )

Message.Text = "Thank you for your comment: &lt;br /&gt;" + Comment.Text

End Sub

Protected Sub Check_Change(sender As Object, e As EventArgs )

Comment.Wrap = WrapCheckBox.Checked
Comment.ReadOnly = ReadOnlyCheckBox.Checked

End Sub

&lt;/script&gt;

&lt;/head&gt;
&lt;body&gt;
&lt;form id="form1" runat="server"&gt;
&lt;h3&gt;
MultiLine RadTextBox Example
&lt;/h3&gt;
Please enter a comment and click the submit button.
&lt;br /&gt;
&lt;br /&gt;
&lt;radI:RadTextBox ID="Comment" TextMode="MultiLine" Columns="50" Rows="5" runat="server" /&gt;
&lt;br /&gt;
&lt;asp:RequiredFieldValidator ID="Value1RequiredValidator" ControlToValidate="Comment"
ErrorMessage="Please enter a comment.&lt;br /&gt;" Display="Dynamic" runat="server" /&gt;
&lt;asp:CheckBox ID="WrapCheckBox" Text="Wrap Text" Checked="True" AutoPostBack="True"
OnCheckedChanged="Check_Change" runat="server" /&gt;

&lt;asp:CheckBox ID="ReadOnlyCheckBox" Text="ReadOnly" Checked="False" AutoPostBack="True"
OnCheckedChanged="Check_Change" runat="server" /&gt;

&lt;asp:Button ID="SubmitButton" Text="Submit" OnClick="SubmitButton_Click" runat="server" /&gt;
&lt;hr /&gt;
&lt;asp:Label ID="Message" runat="server" /&gt;
&lt;/form&gt;
&lt;/body&gt;
&lt;/html&gt;
cs-api-definition.skip-repl
&lt;%@ Page Language="C#" AutoEventWireup="True" %&gt;

&lt;%@ Register Assembly="RadInput.Net2" Namespace="Telerik.WebControls" TagPrefix="radI" %&gt;

&lt;!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"&gt;
&lt;html&gt;
&lt;head&gt;
&lt;title&gt;MultiLine RadTextBox Example &lt;/title&gt;

&lt;script runat="server"&gt;

protected void SubmitButton_Click(Object sender, EventArgs e)
{

Message.Text = "Thank you for your comment: &lt;br /&gt;" + Comment.Text;

}

protected void Check_Change(Object sender, EventArgs e)
{

Comment.Wrap = WrapCheckBox.Checked;
Comment.ReadOnly = ReadOnlyCheckBox.Checked;

}

&lt;/script&gt;

&lt;/head&gt;
&lt;body&gt;
&lt;form id="form1" runat="server"&gt;
&lt;h3&gt;
MultiLine RadTextBox Example
&lt;/h3&gt;
Please enter a comment and click the submit button.
&lt;br /&gt;
&lt;br /&gt;
&lt;radI:RadTextBox ID="Comment" TextMode="MultiLine" Columns="50" Rows="5" runat="server" /&gt;
&lt;br /&gt;
&lt;asp:RequiredFieldValidator ID="Value1RequiredValidator" ControlToValidate="Comment"
ErrorMessage="Please enter a comment.&lt;br /&gt;" Display="Dynamic" runat="server" /&gt;
&lt;asp:CheckBox ID="WrapCheckBox" Text="Wrap Text" Checked="True" AutoPostBack="True"
OnCheckedChanged="Check_Change" runat="server" /&gt;

&lt;asp:CheckBox ID="ReadOnlyCheckBox" Text="ReadOnly" Checked="False" AutoPostBack="True"
OnCheckedChanged="Check_Change" runat="server" /&gt;

&lt;asp:Button ID="SubmitButton" Text="Submit" OnClick="SubmitButton_Click" runat="server" /&gt;
&lt;hr /&gt;
&lt;asp:Label ID="Message" runat="server" /&gt;
&lt;/form&gt;
&lt;/body&gt;
&lt;/html&gt;

Wrap

bool

Gets or sets a value indicating whether the text content wraps within a multiline RadTextBox.

public virtual bool Wrap { get; set; }

Property Value:

true if the text content wraps within a multiline RadTextBox; otherwise, false. The default is true.

Use the Wrap property to specify whether the text displayed in a multiline RadTextBox control automatically continues on the next line when the text reaches the end of the control. This property is applicable only when the RadTextMode property is set to MultiLine

Example:

cs-api-definition
&lt;/%@ Page Language="C#" AutoEventWireup="True" /%&gt;
&lt;/%@ Register Assembly="RadInput.Net2" Namespace="Telerik.WebControls" TagPrefix="radI" /%&gt;
&lt;!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"

"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"&gt;
&lt;html&gt;
&lt;head&gt;
&lt;title&gt;MultiLine RadTextBox Example &lt;/title&gt;


&lt;script runat="server"&gt;


protected void SubmitButton_Click(Object sender, EventArgs e)
{


Message.Text = "Thank you for your comment: &lt;br /&gt;" + Comment.Text;


}


protected void Check_Change(Object sender, EventArgs e)
{


Comment.Wrap = WrapCheckBox.Checked;
Comment.ReadOnly = ReadOnlyCheckBox.Checked;


}


&lt;/script&gt;


&lt;/head&gt;
&lt;body&gt;
&lt;form id="form1" runat="server"&gt;
&lt;h3&gt;
MultiLine RadTextBox Example
&lt;/h3&gt;

Please enter a comment and click the submit button.
&lt;br /&gt;
&lt;br /&gt;
&lt;radI:RadTextBox ID="Comment" TextMode="MultiLine" Columns="50" Rows="5" runat="server" /&gt;
&lt;br /&gt;

&lt;asp:RequiredFieldValidator ID="Value1RequiredValidator" ControlToValidate="Comment"
ErrorMessage="Please enter a comment.&lt;br /&gt;" Display="Dynamic" runat="server" /&gt;

&lt;asp:CheckBox ID="WrapCheckBox" Text="Wrap Text" Checked="True" AutoPostBack="True"
OnCheckedChanged="Check_Change" runat="server" /&gt;


&lt;asp:CheckBox ID="ReadOnlyCheckBox" Text="ReadOnly" Checked="False" AutoPostBack="True"
OnCheckedChanged="Check_Change" runat="server" /&gt;


&lt;asp:Button ID="SubmitButton" Text="Submit" OnClick="SubmitButton_Click" runat="server" /&gt;
&lt;hr /&gt;
&lt;asp:Label ID="Message" runat="server" /&gt;
&lt;/form&gt;
&lt;/body&gt;
&lt;/html&gt;
cs-api-definition.skip-repl
&lt;/%@ Page Language="VB" AutoEventWireup="True" /%&gt;

&lt;/%@ Register Assembly="RadInput.Net2" Namespace="Telerik.WebControls" TagPrefix="radI" /%&gt;

&lt;!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"

"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"&gt;
&lt;html&gt;
&lt;head&gt;
&lt;title&gt;MultiLine RadTextBox Example &lt;/title&gt;

&lt;script runat="server"&gt;


Protected Sub SubmitButton_Click(sender As Object, e As EventArgs )

Message.Text = "Thank you for your comment: &lt;br /&gt;" + Comment.Text

End Sub

Protected Sub Check_Change(sender As Object, e As EventArgs )


Comment.Wrap = WrapCheckBox.Checked
Comment.ReadOnly = ReadOnlyCheckBox.Checked

End Sub

&lt;/script&gt;

&lt;/head&gt;
&lt;body&gt;
&lt;form id="form1" runat="server"&gt;
&lt;h3&gt;

MultiLine RadTextBox Example
&lt;/h3&gt;
Please enter a comment and click the submit button.
&lt;br /&gt;
&lt;br /&gt;
&lt;radI:RadTextBox ID="Comment" TextMode="MultiLine" Columns="50" Rows="5" runat="server" /&gt;

&lt;br /&gt;
&lt;asp:RequiredFieldValidator ID="Value1RequiredValidator" ControlToValidate="Comment"
ErrorMessage="Please enter a comment.&lt;br /&gt;" Display="Dynamic" runat="server" /&gt;

&lt;asp:CheckBox ID="WrapCheckBox" Text="Wrap Text" Checked="True" AutoPostBack="True"

OnCheckedChanged="Check_Change" runat="server" /&gt;

&lt;asp:CheckBox ID="ReadOnlyCheckBox" Text="ReadOnly" Checked="False" AutoPostBack="True"
OnCheckedChanged="Check_Change" runat="server" /&gt;


&lt;asp:Button ID="SubmitButton" Text="Submit" OnClick="SubmitButton_Click" runat="server" /&gt;
&lt;hr /&gt;
&lt;asp:Label ID="Message" runat="server" /&gt;
&lt;/form&gt;
&lt;/body&gt;
&lt;/html&gt;

Methods

AddAttributesToRender(HtmlTextWriter)

protected override void AddAttributesToRender(HtmlTextWriter writer)

Parameters:writerHtmlTextWriter

Overrides: RadInputControl.AddAttributesToRender(HtmlTextWriter)

CalculateInputWidth()

protected override Unit CalculateInputWidth()

Returns:

Unit

Overrides: RadInputControl.CalculateInputWidth()

ControlPreRender()

Code moved into this method from OnPreRender to make sure it executed when the framework skips OnPreRender() for some reason

protected override void ControlPreRender()

Overrides: RadInputControl.ControlPreRender()

CreateChildControls()

protected override void CreateChildControls()

Overrides: RadInputControl.CreateChildControls()

DescribeClientEvents(IScriptDescriptor)

protected override void DescribeClientEvents(IScriptDescriptor descriptor)

Parameters:descriptorIScriptDescriptor

Overrides: RadInputControl.DescribeClientEvents(IScriptDescriptor)

DescribeClientProperties(IScriptDescriptor)

protected override void DescribeClientProperties(IScriptDescriptor descriptor)

Parameters:descriptorIScriptDescriptor

Overrides: RadInputControl.DescribeClientProperties(IScriptDescriptor)

DescribeComponent(IScriptDescriptor)

protected override void DescribeComponent(IScriptDescriptor descriptor)

Parameters:descriptorIScriptDescriptor

Overrides: RadInputControl.DescribeComponent(IScriptDescriptor)

DescribeValueAndTextProperties(IScriptDescriptor)

protected override void DescribeValueAndTextProperties(IScriptDescriptor descriptor)

Parameters:descriptorIScriptDescriptor

Overrides: RadInputControl.DescribeValueAndTextProperties(IScriptDescriptor)

GetOffsetAdditionalClasses()

protected override string GetOffsetAdditionalClasses()

Returns:

string

Overrides: RadInputControl.GetOffsetAdditionalClasses()

IsMultiLine()

protected override bool IsMultiLine()

Returns:

bool

Overrides: RadInputControl.IsMultiLine()

isOnlyInputRendered()

protected override bool isOnlyInputRendered()

Returns:

bool

Overrides: RadInputControl.isOnlyInputRendered()

RenderBeginTagSingleInput(HtmlTextWriter)

protected override void RenderBeginTagSingleInput(HtmlTextWriter writer)

Parameters:writerHtmlTextWriter

Overrides: RadInputControl.RenderBeginTagSingleInput(HtmlTextWriter)

RenderChildren(HtmlTextWriter)

protected override void RenderChildren(HtmlTextWriter writer)

Parameters:writerHtmlTextWriter

Overrides: RadInputControl.RenderChildren(HtmlTextWriter)

RenderContentsSingleInput(HtmlTextWriter)

protected override void RenderContentsSingleInput(HtmlTextWriter writer)

Parameters:writerHtmlTextWriter

Overrides: RadInputControl.RenderContentsSingleInput(HtmlTextWriter)

RenderPasswordStrengthIndicator(HtmlTextWriter, bool)

protected override void RenderPasswordStrengthIndicator(HtmlTextWriter writer, bool inTable)

Parameters:writerHtmlTextWriterinTablebool

Overrides: RadInputControl.RenderPasswordStrengthIndicator(HtmlTextWriter, bool)

SetDefaultSize()

protected override void SetDefaultSize()

Overrides: RadInputControl.SetDefaultSize()