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Posted 6 Jul 2007

Events Between Web Forms

, 6 Jul 2007
Raise Events Between Web Forms Using CallBacks or Ajax
<%@ Page Language="VB" AutoEventWireup="true" 
  CodeFile="ClientCallback.aspx.vb" Inherits="ClientCallback" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" 
<html  >
<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;
  <form id="form1" runat="server">
        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()">
      <br />
      <br />
      <span id="ResultsSpan" runat="server"></span>
      <br />

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About the Author

Web Developer
Mexico Mexico
I am Pedro Ramirez from mexico, work for, 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#.

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