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vb.net 對DataTable 新增列和賦值



      新增列:dtData.Columns.Add("XXX")

      遍歷:

         For Each row As DataRow In dtData.Rows

          ‘獲取指定列的值
            Dim aaa As String = row.Item("列名")

           ’賦值..row.Item()可以通過列名和index獲取

            row.Item("列名") = "XXX"
          
        Next