Thank You vary much for your reply, atleast i got the idea ...
But in my mind there is an other approach suggest me which one would be the best
First Create the Excel File with appropriate Columns Names and Data into them.
Second Upload the Excel File via FileUpload Control to one Temp Folder in root Directory.
Third Make the Connection string and connect with Excel Doc and using BulkCopy() Load the Data into Sql Server table.
In the last after inserting the Data Delete the Excel File from Temp Folder.
Now suggest me the which one approach would be the best yours, or above????
again thanks for your support .