DataTable.Select用法-返回新的DataTable

  string condition = @"MaterialNum='" + dataTable.Rows[i]["MaterialNum"].ToString() + "'"
                          + @" and SupplierName='" + dataTable.Rows[i]["SupplierName"].ToString() + "'";
                    DataTable newdt = GetNewDataTable(dataTable2, condition);


 /// <summary>
        /// 执行DataTable中的查询返回新的DataTable
        /// </summary>
        /// <param name="dt"></param>
        /// <param name="condition"></param>
        /// <returns></returns>
        private DataTable GetNewDataTable(DataTable dt, string condition)
        {
            DataTable newdt = new DataTable();
            newdt = dt.Clone();
            DataRow[] dr = dt.Select(condition);

            if (dr == null || dr.Length == 0) return null;
            for (int i = 0; i < dr.Length; i++)
            {
                newdt.ImportRow((DataRow)dr[i]);
            }
            return newdt;//返回的查询结果
        }

标签：Rows,newdt,Select,dt,用法,dr,DataTable,condition
来源： https://www.cnblogs.com/fyssl/p/16419094.html