ASP.NET

string excelConnectionString = @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\qs_upload.xls;Extended Properties=""Excel 8.0;HDR=YES;""";

        // Create Connection to Excel Workbook
        using (OleDbConnection connection = new OleDbConnection(excelConnectionString))
        {
            OleDbCommand command = new OleDbCommand("Select * FROM [quality_standard$]", connection);
            //OleDbCommand command = new OleDbCommand("Select qs_Id, qs_Organisation, Convert(varchar,qs_Start,111), qs_End FROM [quality_standard$]", connection);

            connection.Open();

            // Create DbDataReader to Data Worksheet
            using (OleDbDataReader dr = command.ExecuteReader())
            {
                // SQL Server Connection String
                string sqlConnectionString = "Data Source=wibblewobble.com;Initial Catalog=comfound;Persist Security Info=True;User ID=##########;Password=##########";

                // Bulk Copy to SQL Server
                using (SqlBulkCopy bulkCopy = new SqlBulkCopy(sqlConnectionString))
                {
                    bulkCopy.DestinationTableName = "tbl_QualityStandard";
                    bulkCopy.WriteToServer(dr);
                }
            }
        }