reading excel files without sending whole the file to the server

hi

i  wanna name , count of columns of user's excel files, can't send whole file server, of first bytes (enough read first rows ). how can in c#? there way not send whole file?

understanding javascript api office

http://msdn.microsoft.com/en-us/library/office/apps/fp160953.aspx

don't giveup, atleast give try, , try use javascript api office

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faisal ahmed farooqui

Visual Studio Languages  ,  .NET Framework  >  Visual C#