将datatable进行分页生成新的datatable
/// 将DataTable进行分页并生成新的DataTable
///
/// 原DataTable
/// 需要的第n页
/// 每页页数
///
public DataTable GetPagedTable(DataTable dt, int PageIndex, int PageSize)
{
if (PageIndex == 0)
{
return dt;
}
DataTable newdt = dt.Copy();
newdt.Clear();
//起始行数
int rowbegin = (PageIndex - 1) * PageSize;
//结束行数
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 - 1; 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;
}
来自 “ ITPUB博客 ” ，链接：https://blog.itpub.net/12639172/viewspace-545463/ ，如需转载，请注明出处，否则将追究法律责任。
