Click here to Skip to main content
15,884,388 members
Articles / Web Development / IIS

Events Between Web Forms

Rate me:
Please Sign up or sign in to vote.
4.59/5 (12 votes)
6 Jul 2007CPOL4 min read 43.2K   947   48  
Raise Events Between Web Forms Using CallBacks or Ajax
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="ClientCallBack.aspx.cs" Inherits="ClientCallBack" %>

<!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 id="Head1" runat="server">
  <title>Add a user using CallBacks</title>
  <script type="text/javascript">
  
    //Makes a Callback to the server
    function AddUser()
    {
        //Construct the argument
        //The argument MUST be a string so if you need
        //to send more than one value use custom separators
        var argument = document.getElementById("txtName").value + "|" + document.getElementById("txtAge").value 
        
        //Make the callback to the server
        CallServer(argument, "");
    }
    
    //Receives the CallBack Result
    function ReceiveCallBackResult(result)
    {   
        //Inform the user
        document.getElementById("ResultsSpan").innerHTML = result;
        //UserAdded
        window.opener.UserAddedEvent(result);
    }
</script>
</head>
<body>
  <form id="form1" runat="server">
    <div>
        User Name
        <asp:TextBox ID="txtName" runat="server"></asp:TextBox><br />
        Age &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;
        <asp:TextBox ID="txtAge" runat="server"></asp:TextBox><br />
      <br />
      <button type="Button" onclick="AddUser()">
          Add</button>
      <br />
      <br />
      <span id="ResultsSpan" runat="server"></span>
      <br />
    </div>
  </form>
</body>
</html>

By viewing downloads associated with this article you agree to the Terms of Service and the article's licence.

If a file you wish to view isn't highlighted, and is a text file (not binary), please let us know and we'll add colourisation support for it.

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


Written By
Web Developer
Mexico Mexico
I am Pedro Ramirez from mexico, work for www.sciodev.com, the company is located in Mexico, we do outsourcing and nearshore development, we are focused on SaaS nearshore development, I started with VB.Net, but now I am ambidextrous using VB.Net or C#.

Comments and Discussions