HtmlTextArea.Cols Property

 
System_CAPS_noteNote

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Gets or sets the width (in characters) of the HtmlTextArea control.

Namespace:   System.Web.UI.HtmlControls
Assembly:  System.Web (in System.Web.dll)

Public Property Cols As Integer

Property Value

Type: System.Int32

The width (in characters) of the HtmlTextArea control. The default value is -1, which indicates that this property is not set.

Use the Cols property to specify or determine the width (in characters) of the HtmlTextArea control. If you enter text that is longer than the width of the text box, the text automatically continues on the next line of the control.

To control the height of the control, set the Rows property.

The following code example demonstrates how to use the Cols property to control the width of the HtmlTextArea control.

<%@ Page Language="VB" AutoEventWireup="True" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">

  Sub SubmitBtn_Click(ByVal sender As Object, ByVal e As EventArgs)

    TextArea1.Cols = CInt(Select1.Value)
    Span1.InnerHtml = "You wrote: <br />" + TextArea1.Value

  End Sub

</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
   <title>HtmlTextArea Example</title>
</head>

<body>

   <form id="form1" runat="server">

      <h3>HtmlTextArea Example</h3>

      Enter your comments: <br />

      <textarea rows="2" cols="20" id="TextArea1" 
                runat="server"/>

      <br />

      Select column width: <br />

      <select id="Select1"
              runat="server">

         <option value="10" selected="selected"> 10 </option>
         <option value="20"> 20 </option>
         <option value="30"> 30 </option>
         <option value="40"> 40 </option>
         <option value="50"> 50 </option>
         <option value="60"> 60 </option>

      </select>

      <br /><br />

      <input type="submit"  
             value="Submit" 
             onserverclick="SubmitBtn_Click" 
             runat="server"/>

      <br />

      <span id="Span1" 
            runat="server" />

   </form>

</body>
</html>

.NET Framework
Available since 1.1
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