0 out of 2 rated this helpful - Rate this topic

HiddenField.Value Property

.NET Framework 2.0

Other Versions

Note: This property is new in the .NET Framework version 2.0.

Gets or sets the value of the hidden field.

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

Syntax

C++

[BindableAttribute(true)] 
public virtual string Value { get; set; }

/** @property */
public String get_Value ()

/** @property */
public void set_Value (String value)

JScript

public function get Value () : String

public function set Value (value : String)

Property Value

The value of the hidden field. The default is an empty string ("").

Remarks

Use the Value property to specify or determine the value of the HiddenField control.

Example

The following example demonstrates how to use the Value property to specify the value of the HiddenField control.


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

<script runat="server">
 
  void ValueHiddenField_ValueChanged (Object sender, EventArgs e)
  {
    
    // Display the value of the HiddenField control.
    Message.Text = "The value of the HiddenField control is " + ValueHiddenField.Value + ".";
    
  }
  
</script>

<html>
    <body>
        <form id="Form1" runat="server">
        
            <h3>HiddenField Example</h3>

            Please enter a value and click the submit button.<br/>
            
            <asp:Textbox id="ValueTextBox"
              runat="server"/>
              
            <br/>  
              
            <input type="submit" name="SubmitButton"
             value="Submit"
             onclick="PageLoad()" />
             
            <br/>
            
            <asp:label id="Message" runat="server"/>    
            
            <asp:hiddenfield id="ValueHiddenField"
              onvaluechanged="ValueHiddenField_ValueChanged"
              value="" 
              runat="server"/>
            
        </form>
    </body>
</html>

<script language="javascript">

  <!--
  function PageLoad()
  {
  
    // Set the value of the HiddenField control with the
    // value from the TextBox.
    Form1.ValueHiddenField.value = Form1.ValueTextBox.value;
    
  }
  -->
  
</script>

Platforms

Windows 98, Windows 2000 SP4, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

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

Version Information

.NET Framework

Supported in: 2.0

Reference

HiddenField Class
HiddenField Members
System.Web.UI.WebControls Namespace
ValueChanged

Did you find this helpful? Yes No

Not accurate

Not enough depth

Need more code examples

(1500 characters remaining)

Community Additions

ADD