vb.net 对DataTable 添加列和赋值


      添加列：dtData.Columns.Add("XXX")

      遍历：

         For Each row As DataRow In dtData.Rows

          ‘获取指定列的值

            Dim aaa As String = row.Item("列名")

           ’赋值..row.Item()可以通过列名和index获取

            row.Item("列名") = "XXX"

          

        Next