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ValidationSummary.HeaderText Property

Gets or sets the header text displayed at the top of the summary.

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

public string HeaderText { get; set; }
<asp:ValidationSummary HeaderText="String" />

Property Value

Type: System.String
The header text displayed at the top of the summary. The default is String.Empty.

Use this property to display a title for the ValidationSummary control.

The HeaderText property is not HTML encoded. Therefore, HTML tags can be included in HeaderText.

The value of this property, when set, can be saved automatically to a resource file by using a designer tool. For more information, see LocalizableAttribute and ASP.NET Globalization and Localization.

The following code example demonstrates how to use the HeaderText property to display a title for the ValidationSummary control.



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

<!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>ASP.NET Example</title>
</head>
<body>
    <form id="form1" runat="server">

      Name:<br/>
      <asp:textbox id="NameTextBox"
        runat="server"/>

      <asp:requiredfieldvalidator id="NameTextBoxRequiredValidator"
        controltovalidate="NameTextBox"
        errormessage="Name field."
        text="Please enter your name"
        runat="server"/>     

      <br/>  

      City:<br/>
      <asp:textbox id="CityTextBox"
        runat="server"/>

      <asp:requiredfieldvalidator id="CityTextBoxRequiredValidator"
        controltovalidate="CityTextBox"
        errormessage="City field."
        text="Please enter the city."
        runat="server"/> 

      <br/>

      <asp:Button id="SubmitButton"
        text="Submit"
        runat="server"/>

      <hr/>

      <asp:ValidationSummary 
        id="valSum" 
        displaymode="BulletList" 
        headertext="You must enter a value in the following fields:"
        runat="server"/>

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


.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
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