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/// <summary>
/// »ñÈ¡DataTable´ÓÄÄÀ￪ʼµ¼Èë
/// </summary>
/// <param name="TopItem">´ÓµÚNÌõÊý¾Ý</param>
/// <param name="oDT">Ô´DataTable</param>
/// <returns></returns>
public static System.Data.DataTable DtSelectTop(int TopItem, System.Data.DataTable oDT)
{
if (oDT.Rows.Count < TopItem) return oDT;


System.Data.DataTable NewTable = oDT.Clone();
System.Data.DataRow[] rows = oDT.Select("1=1");
//if (TopItem == 1)
//{
// NewTable.ImportRow((System.Data.DataRow)rows[0]);
//}
for (int i = TopItem; i < oDT.Rows.Count; i++)
{
NewTable.ImportRow((System.Data.DataRow)rows[i]);
//if (i != TopItem && (i + 1) % TopItem == 0)
//{
// break;
//}
}
return NewTable;
}
/// <summary>
/// »ñÈ¡DataTableËùÓÐÊý¾Ý¸´ÖÆ
/// </summary>
/// <param name="oDT">Ô´DataTable</param>
/// <returns></returns>
public static System.Data.DataTable DtCopyStructAndData(System.Data.DataTable oDT)
{
System.Data.DataTable NewTable = oDT.Clone();
System.Data.DataRow[] rows = oDT.Select("1=1");
for (int i = 0; i < oDT.Rows.Count; i++)
{
NewTable.ImportRow((System.Data.DataRow)rows[i]);
}
return NewTable;
}