DataTable 2 Sql Table

        public void ExecuteDataTable2Table(DataTable dt,string tbName)

        {

            SqlBulkCopy sbc = new SqlBulkCopy(conn);

            sbc.DestinationTableName = tbName;

            DataTable dtFields = this.ExecuteDataTable("select * from dictionary_V where pcode='" + tbName + "_Fields'");

            string guid = Guid.NewGuid().ToString();

            dt.Columns.Add(new DataColumn("GUIDStr"));

            for (int i = 0; i < dt.Rows.Count; i++)

            {

                dt.Rows[i]["GUIDStr"] = guid;

            }

            for (int i = 0; i < dtFields.Rows.Count; i++)

            {

                sbc.ColumnMappings.Add(new SqlBulkCopyColumnMapping(dtFields.Rows[i]["name"].ToString(), dtFields.Rows[i]["code"].ToString()));   

            }



            sbc.ColumnMappings.Add(new SqlBulkCopyColumnMapping("GUIDStr", "GUID"));

            sbc.WriteToServer(dt);

        }