C# 用代码创建 DataSet 和 DataTable 的列和记录

System.Data.DataSet objSet = new DataSet();
System.Data.DataTable objTable = new DataTable("test");
objTable.Columns.Add("CodeID", typeof(string));
objTable.Columns.Add("FilterCitem ", typeof(string));
objTable.Columns.Add("FilterSqlStr", typeof(string)); 

System.Data.DataRow dr = objTable.NewRow();
dr[] = "row0andcol0";
dr[] = "row2andcol2";
dr[] = "row3andcol3";
objTable.Rows.Add(dr);
objSet.Tables.Add(objTable);