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ASP.NET: Apply a Please Wait message to a Button
From Wiki
Summary: An example of how we can append a "Please Wait" message to a Button when submitting a form.
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Example page with a button:
- <%@ Page Language="VB" AutoEventWireup="false" CodeFile="Default1.aspx.vb" Inherits="Default1" %>
- <!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>Untitled Page</title>
- </head>
- <body>
- <form id="form1" runat="server">
- <div>
- <asp:Button ID="Button1" runat="server" Text="Button" />
- </div>
- </form>
- </body>
- </html>
Code-Behind:
- Partial Class Default15
- Inherits System.Web.UI.Page
- Protected Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click
- System.Threading.Thread.Sleep(5000)
- ClientScript.RegisterClientScriptBlock(Me.GetType, _
- "reset", "document.getElementById('" & Button1.ClientID & "').disabled=false;", True)
- End Sub
- Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
- Button1.Attributes.Add("onclick", ClientScript.GetPostBackEventReference(Button1, "") _
- & ";this.value='Please wait...';this.disabled = true;")
- End Sub
- End Class
This Hack is part of the ASP.NET Hacks collection
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