Web Forms :: Cannot See Message Box In Page

Feb 15, 2011

I cannot see the message box by writing the following C# code in my page?

string script="function Hello() {alert ('Hello!');}";
Page.ClientScript.RegisterClientScriptBlock(GetType(),"TestScript", script,true);

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When I add an update command to my page and run the page I get this error message

Server Error in '/MYApplication.

Incorrect syntax near '-'.Must declare the scalar variable "@recnum".

Description:An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

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[Code]....

Stack Trace: [Code]....

Version Information: Microsoft .NET Framework Version:2.0.50727.3082; ASP.NET Version:2.0.50727.3082

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<asp:SqlDataSource
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runat="server"[code]....

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[Code]....

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Line 31: {
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I am using ASP.NET 2.0 with C#(No AJAX) in my project. In a particular web page, when the a button is clicked, some server intensive C# code runs before the same page is displayed again with the results. While code execution happens on the server in response to Button_Click event, a blank white page is shown to user on his browser in between post backs. How do i show a message in this case, that the processing is still going on and ask the user to wait? I have used javascript to show a message on page unload. But this message is also erased when the page is posted back to the server and the user sees a blank white page on his browser. How do i avoid this white page? Is there a way to show a message in the blank white page? How do i show a processing Message while the page is loading upon on Post Backs to the same Page.

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Apr 28, 2010

I am using ASP.NET 2.0 with C#(No AJAX) in my project. In a particular web page, when the a button is clicked, some server intensive processing occurs before the same page is displayed again with the results. While code execution happens on the server in response to Button_Click event, a blank white page is shown to user on his browser in between post backs.

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At the end of a process I am displaying status in a message box to users. I am using following code snippet:

Code:
Public Sub UserMsgBox1(ByVal Message1 As String, ByVal Message2 As String, ByVal Message3 As String, ByVal Message4 As String, ByVal Message5 As String, ByVal Message6 As String)

Dim sb As New StringBuilder()
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[Code] ....

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I was wondering if someone could point me in the right direction:

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I have a page that performs a long-running task (10 to 15 seconds) in the page_load method.

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[Code]....

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