Hello Imar,
I followed the steps in chapter 9 to validate user input but when i got to page 317 step 8 and 9. i noticed after setting ValidationSummary control property ShowMessageBox to True and ShowSummary to False, the errors don't display using the client-side alert. i tested it using recent version of Google Chrome, Firefox and Microsoft edge but still it didn't work.
what do you think i'm doing wrong, i would like to get this to work because it looks more professional to display wrong user inputs in a client-side alert as oppose to the inline list. the inline list works but i want the client-side alert.
please help

Hi there,

Take a look at these posts and see if they help. If they don't please post your full code and the resulting HTML from the browser's view source command.

ShowMessageBox does not appear
Chapter 9 - Validating User Controls (P.317)


Cheers,

Imar

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Imar Spaanjaars
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Author of Beginning ASP.NET 4.5 : in C# and VB, Beginning ASP.NET Web Pages with WebMatrix
and Beginning ASP.NET 4 : in C# and VB.
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Hi Imar,
Thanks for making out time to reply. After i read the links you sent to me and a guy fixed the same problem by correcting a wrongly named function. i carefully looked at my codes and immediately i noticed i wrongly typed "function" as "funtion" lol. i just fixed the errors and everything is working fine. thank you