DataTable行转列

DataTable行转列

/// <summary>/// DataTable行转列/// </summary>/// <param name="dtable">需要转换的表</param>/// <param name="head">转换表表头对应旧表字段（小写）</param>/// <returns></returns>public static DataTable DataTableRowtoCon(DataTable dtable, string head){DataTable dt = new DataTable();dt.Columns.Add("NumberID");for (int i = 0; i < dtable.Rows.Count; i++){//设置表头dt.Columns.Add(dtable.Rows[i][head].ToString());}for (int k = 0; k < dtable.Columns.Count; k++){string temcol = dtable.Columns[k].ToString();if (dtable.Columns[k].ToString().ToLower() != head)//过滤掉设置表头的列{DataRow new_dr = dt.NewRow();new_dr[0] = dtable.Columns[k].ToString();for (int j = 0; j < dtable.Rows.Count; j++){string temp = dtable.Rows[j][k].ToString();new_dr[j + 1] = (Object)temp;}dt.Rows.Add(new_dr);}}return dt;}