Button.Click Event
.NET Framework 3.0
Occurs when the Button control is clicked.
Namespace: System.Web.UI.WebControls
Assembly: System.Web (in system.web.dll)
Assembly: System.Web (in system.web.dll)
'Declaration Public Event Click As EventHandler 'Usage Dim instance As Button Dim handler As EventHandler AddHandler instance.Click, handler
/** @event */ public final void add_Click (EventHandler value) /** @event */ public final void remove_Click (EventHandler value)
In JScript, you can handle the events defined by a class, but you cannot define your own.
Not applicable.
The Click event is raised when the Button control is clicked. This event is commonly used when no command name is associated with the Button control (for instance, with a Submit button).
For more information about handling events, see Consuming Events.
| Topic | Location |
|---|---|
| How to: Connect Multiple Events to a Single Event Handler in ASP.NET Web Pages | Building ASP .NET Web Applications |
| How to: Implement Simple Forms Authentication | Building ASP .NET Web Applications |
| How to: Connect Multiple Events to a Single Event Handler in ASP.NET Web Pages | Building ASP .NET Web Applications |
| How to: Implement Simple Forms Authentication | Building ASP .NET Web Applications |
| Walkthrough: Validating User Input in a Web Forms Page | Building ASP .NET Web Applications in Visual Studio |
| Walkthrough: Creating a Basic Web Page with Code Separation in Visual Web Developer | Building ASP .NET Web Applications in Visual Studio |
The following code example demonstrates how to specify and code an event handler for the Click event in order to display a message on the Web page when the Button control is clicked.
<%@ Page Language="VB" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <script runat="server"> Sub GreetingBtn_Click(ByVal sender As Object, _ ByVal e As EventArgs) ' When the button is clicked, ' change the button text, and disable it. Dim clickedButton As Button = sender clickedButton.Text = "...button clicked..." clickedButton.Enabled = False ' Display the greeting label text. GreetingLabel.Visible = True End Sub </script> <html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server"> <title>Button Example</title> </head> <body> <form id="form1" runat="server"> <div> <h3>Simple Button Example</h3> <asp:Button id="Button1" Text="Click here for greeting..." OnClick="GreetingBtn_Click" runat="server"/> <br /> <br /> <asp:Label ID="GreetingLabel" runat="server" Visible="false" Text="Hello World!" /> </div> </form> </body> </html>
Community Additions
ADD
Show: