namespace ConsoleApplication2
{
    class Program
    {
        static void Main(string[] args)
        {
            //创建一张表
            DataTable table = new DataTable();

            //例
            DataColumn column;
            //行
            DataRow row;

            column = new DataColumn();
            column.DataType = System.Type.GetType("System.Int32");
            column.ColumnName = "id";
            table.Columns.Add(column);

            column = new DataColumn();
            column.DataType = Type.GetType("System.String");
            column.ColumnName = "item";
            table.Columns.Add(column);

            for (int i = 0; i < 10; i++)
            {
                row = table.NewRow();
                row["id"] = i;
                row["item"] = "item " + i.ToString();
                table.Rows.Add(row);
            }
        }
    }
}