Asp. The GridView multi-line operation in net __.net

  Multiline Selection:
Add a template column, add a checkbox,id to Cball in HeaderTemplate, and set its AutoPostBack property to True
  Also add a checkbox,id for cbselect
Add Cball oncheckchange event code in ItemTemplate:
void Checkall (object sender, System.EventArgs e)
{
 checkbox cball= (CheckBox) Sender
 if (cball.text== Select All)
 {
  foreach (DataGridItem dgi in Datagrid.items)
  {
   checkbox cb= (checkbox) Dgi. FindControl ("Cbselect");
   CB. checked=cball.checked;
 }
 }
}
Bulk deletion:
foreach (DataGridItem dgi in Datagrid1.items)
{
 checkbox cb= (CheckBox) Dgi. FindControl ("Cbselect");
 if (CB. Checked)
 {
  int nid=int. Parse (DGI. Cells[0]. Text);
  String sql= "Delete from tb_*** where id=" + NID;
  ExecuteSQL (SQL);
 //delete operations
 
 datagrid1.currentpageindex=0
 //resolves inconsistencies in paging data after deleting data
 binddata ();
 //data after deletion
}

This article is reproduced from the network base: http://www.xrss.cn/Dev/DotNet/200852819848.Html