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showing alert message in vb.net code

Posted by Shoyebaziz123 under ASP.NET on 7/24/2010 | Views : 24845 | Status : [Member] | Replies : 3
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Hi all,
i have make a claas to show alert message

Public Sub UserMsgBox(ByVal sMsg As String)
Dim sb As New StringBuilder
Dim oFormObject As System.Web.UI.Control
sMsg = sMsg.Replace("'", "\'")
sMsg = sMsg.Replace(Chr(34), "\" & Chr(34))
sMsg = sMsg.Replace(vbCrLf, "\n")
sMsg = "<script language=javascript>alert(""" & sMsg & """)</script>"
sb = New StringBuilder
sb.Append(sMsg)
For Each oFormObject In Me.Controls
If TypeOf oFormObject Is HtmlForm Then
Exit For
End If
Next
oFormObject.Controls.AddAt(oFormObject.Controls.Count, New LiteralControl(sb.ToString()))
End Sub

Protected Sub btn_show_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btn_show.Click
UserMsgBox("Hello .....!")
End Sub

working correctly if i am not using Update panel...... but if i take the button into update panel message does not show why? how i can solve it ?

Thanks in advance



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Posted by: Vuyiswamb on: 7/24/2010 [Member] [MVP] [Administrator] NotApplicable

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You dont need to put the button inside the update panel. place it outside and add it as a trigger to the updatepanel as i did below 

<html xmlns="http://www.w3.org/1999/xhtml">

<head runat="server">

    <title>Untitled Page</title>

</head>

<body>

    <form id="form1" runat="server">

    <div>

    

        <asp:ScriptManager ID="ScriptManager1" runat="server">

        </asp:ScriptManager>

        <asp:UpdatePanel ID="UpdatePanel1" runat="server">

            <Triggers>

                <asp:AsyncPostBackTrigger ControlID="Button1" EventName="Click">

                </asp:AsyncPostBackTrigger>

            </Triggers>

        </asp:UpdatePanel>

    

    </div>

    <p>

        <asp:Button ID="Button1" runat="server" Text="Button" />

    </p>

    </form>

</body>

</html>


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Posted by: Muhilan on: 7/26/2010 [Member] Starter

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use scriptmanager.RegisterclientBlock method 


 ScriptManager.RegisterClientScriptBlock(this, GetType(), "Exists", "window.setTimeout(\"alert('User successfully created.');\",0);", true);


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Posted by: BangaruBabu on: 7/26/2010 [Member] Starter

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Under Button Click Write Code as Follows 


Page.ClientScript.RegisterStartupScript([GetType], "MyScript", "<script>alert('hiiiii Shoyebaziz123 ')</script>")



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