MultipleEvent

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<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!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></title>
    <script src="jquery-1.4.2.min.js" type="text/javascript"></script>
    <script type="text/javascript">
        $(document).ready(function() {
            $('#<%=TextBox1.ClientID %>').focusout(function() {
                alert('textbox change');
            });
            $('#<%=Button1.ClientID %>').click(function() {
                alert('button click');
            });

        });
    </script>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
        <asp:Button ID="Button1" runat="server" Text="Button" />
    </div>
    </form>
</body>
</html>

Please see the following scenario

Change the textbox value and click the button.
Only text change event is firing, button click event is not firing.
(Both events are not firing simultaneously.)

Posted 5-Jan-11 20:28pm

salini8588

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Al-Farooque Shubho · Answer 1 · 2011-01-05T20:42:00

Despite the fact that you are clicking the button, but in reality, the button is not getting clicked, because, the focusout() event is getting fired, which is showing an alert() message box (Which is not allowing to fire the button click() event)

To verify this, you can comment out the alert within the focusout() event as follows and see what happens:

JavaScript

<script type="text/javascript">
       $(document).ready(function() {
           $('#<%=TextBox1.ClientID %>').focusout(function() {
               //alert('textbox change');
           });
           $('#<%=Button1.ClientID %>').click(function() {
               alert('button click');
           });
       });
</script>

This time, the "button click" alert message will be shown.

I hope, this helped you.

jerrykid · Answer 2 · 2011-01-05T20:46:00

When the first alert is showed, the script is break, so the second statement is cannot reach. Please try the following script to verify about that:

XML

<script type="text/javascript">
$(document).ready(function() {
            $('#<%=TextBox1.ClientID %>').focusout(function() {
                document.write('textbox change');
            });
            $('#<%=Button1.ClientID %>').click(function() {
                document.write('button click');
            });
        });
</script>

MultipleEvent

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