/// <summary>
/// 将DataTable进行分页并生成新的DataTable
/// </summary>
/// <param name="dt">原始Datatable</param>
/// <param name="PageIndex">需要的第n页</param>
/// <param name="PageSize">每页页数</param>
/// <returns></returns>
public DataTable GetPagedTable(DataTable dt, int PageIndex, int PageSize, out int recound)
{
if (PageIndex < )
{
PageIndex = ;
}
else if (PageIndex > || (PageIndex == ))
{
PageIndex = PageIndex + ;
}
DataTable newdt = dt.Copy();
newdt.Clear();
recound = dt.Rows.Count;
int rowbegin = (PageIndex - ) * PageSize;
//停止行数
int rowend = PageIndex * PageSize;
if (rowbegin >= dt.Rows.Count)
{
return newdt;
}
if (rowend > dt.Rows.Count)
{
rowend = dt.Rows.Count;
}
//生成新的DataTable
for (int i = rowbegin; i <= rowend - ; i++)
{
DataRow newdr = newdt.NewRow();
DataRow dr = dt.Rows[i];
foreach (DataColumn column in dt.Columns)
{
newdr[column.ColumnName] = dr[column.ColumnName];
}
newdt.Rows.Add(newdr);
}
return newdt;
}