How to import excel sheet data to sql server using asp.net

plzz correct if i m worng in anywer else...

alter procedure importExcel

@sheetName varchar(100),

@filePath varchar(100),

@HDR varchar(10)

as

Begin

declare @sql nvarchar(1000)

set @sql='select *from OpenRowSet'

set @sql=@sql+'(' 'Microsoft.ACE.OLEDB.12.0' ',' 'datasource='+@filePath

set@sql=@sql+';Excel 12.0;IMEX=1;HDR='+@HDR

set @sql=@sql+',select *from[' + @sheetName+']' ')'

exec sp_executesql_sql

end

Error : incorrect syntex near ')'

plzz M.Khan help me.. i stuck in this code science 5 days..