C# asp .net using Excel sheets

Question

Sir,

       I have a question if i have multiple excel sheets file and he or she registered in our website.And I want to check or show  the all excel sheets files of the employees which name is  like "Ram" in different-2 location in Excel Sheets Invoice.Then How I read and print that in c# asp .net....Please hel;p me out...Thanks in advance....

Manoj