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问题来自本论坛:
DataTable aa = new DataTable();
aa.Columns.Add("aa");
aa.Columns.Add("bb");
aa.Rows.Add();
DataRow bb = aa.NewRow();
bb["aa"] = "aa";
bb["bb"] = "bb";
aa.Rows.Add(bb);/*添加新行*/
aa.Rows[0].ItemArray = bb.ItemArray;/*修改原有行*/
aa.Columns.Add("cc");
aa.Columns.Add("dd");
DataRow cc = aa.NewRow();
cc.ItemArray = aa.Rows[0].ItemArray;
cc["cc"] = "cc";
cc["dd"] = "dd";
aa.Rows.Add(cc);/*添加新行*/
aa.Rows[0].ItemArray = cc.ItemArray;/*修改原有行*/
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转播
