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Using Page.ClientScript.RegisterClientScriptBlock is not working

Posted on 2011-09-26
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Last Modified: 2012-05-12
My web page is quite simple, but after I click the button it is not working. Thanks for help.
<%@ Page Language="C#" AutoEventWireup="true" %>

<!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>Adding JavaScript</title>
    <script runat="server">
        protected void Page_Lord(object sender, EventArgs e)
        {
            string myScript = @"function AlertHello() { alert('Hello ASP.NET');}";
            Page.ClientScript.RegisterClientScriptBlock(this.GetType(), "MyScript", myScript, true);
        }
     
    </script>
</head>
<body>
    <form id="form1" runat="server">
    <div>
    
        <asp:Button ID="Button1" runat="server" Text="Button" OnClientClick="AlertHello()" />
        <br />
        <br />

    </div>
    </form>
</body>
</html>

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Question by:zhshqzyc
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3 Comments
 
LVL 16

Expert Comment

by:disrupt
ID: 36599885
Use a scriptmanager:

 ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "MyScript", "alert('test');", true);

make sure you have

 <asp:ScriptManager runat="Server" ID="ScriptManager1" />

in your aspx page
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Author Comment

by:zhshqzyc
ID: 36599978
I found the error. If I remove the script block above html tag, then it works.
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LVL 16

Accepted Solution

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disrupt earned 2000 total points
ID: 36600072
Gotcha, you should use code-behind to better separate your logic
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