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OleDbDataAdapter da = new OleDbDataAdapter("Select * from Grade", objConnection);
DataSet ds = new DataSet();
DataTable myDataTable = ds.Tables["Grade"];
da.Fill(ds,"Grade");

foreach (DataRow myDataRow in myDataTable.Rows)
{
Console.WriteLine("Name = " + myDataRow["name"]);
Console.WriteLine("Sex = " + myDataRow["sex"]);
Console.WriteLine("Remark = " + myDataRow["remark"]);
Console.WriteLine("Grade = " + myDataRow["grade"]);
}

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for(int i=1;i <=myDataTable.Rows.Count;i++)
{
Console.WriteLine("Name = " + myDataTable.Rows["name"]);
Console.WriteLine("Sex = " + myDataTable.Rows["sex"]);
Console.WriteLine("Remark = " + myDataTable.Rows["remark"]);
Console.WriteLine("Grade = " + myDataTable.Rows["grade"]);
}
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}
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maker varchar(20), 
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