fileupload control

Question

i had a fileupload control and view button when i upload a file it goes to sql database when i click on view button it shows the uploaded file.. thats work fine, but my problem is that user cannot upload same file it shows msg that file already uploaded please send the code c#

vishal mahajan · Answer

extract the rar file you will see the code for fileupload control on circular.aspx.cs page

Biswa Pujarini Mohapatra · Answer

attachment missing, send your code

vishal mahajan · Answer

send the code

vishal mahajan · Answer

please send the code for user cannot upload same file .it shows a message that  file already uploaded..
please see my attach code file and send the code

Biswa Pujarini Mohapatra · Answer

1 ) Read all filenames from database and keep it in a Collection 2) before upload file always match with the list if equals or matches return else upload file