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HtmlTextArea.Rows Property

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

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

public int Rows { get; set; }

Property Value

Type: System.Int32
The height (in characters) of the HtmlTextArea control. The default value is -1, which indicates that this property is not set.

Use the Rows property to specify or determine the height (in characters) of the HtmlTextArea control. If you enter text that takes up more lines than the height specified, scroll bars are enabled.

To control the width of the control, set the Cols property.

The following code example demonstrates how to use the Rows property to control the height of the HtmlTextArea control.

<%@ Page Language="C#" 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">

  void SubmitBtn_Click(Object sender, EventArgs e)
  {
    TextArea1.Rows = Convert.ToInt32(Select1.Value);
    Span1.InnerHtml = "You wrote: <br />" + TextArea1.Value;
  }

</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 row height: <br />

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

         <option value="1" selected="selected"> 1 </option>
         <option value="2"> 2 </option>
         <option value="3"> 3 </option>
         <option value="4"> 4 </option>
         <option value="5"> 5 </option>
         <option value="6"> 6 </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

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1
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