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I got a strange problem , when I run the asp.net project I got the following error : Compilation Error Description: An error occurred during the compilation of a resource required to service this request. Please review the following specific error details and modify your source code...

how to force the users to input the correct date format in a textbox of a web form , eg dd/mm/yyyy. please help.

how can I open a filedialog box in web form , and choose what directory I want to save file into ?