js:
function SelectAll(box)
{
for (var i=0;i<document.Form1.elements.length;i++)
{
var e = document.Form1.elements[i];
if ( (e.type=='checkbox') )
{
var o=e.name.lastIndexOf('chkItem');
if(o!=-1)
{
e.checked = box.checked;
}
}
}
}
cs:
private void btnDel_Click(object sender, System.EventArgs e)
{
if(this.DataGrid1.Items.Count >0)
{
for(int i = 0; i < this.DataGrid1.Items.Count; i++)
{
System.Web.UI.WebControls.CheckBox cb = (System.Web.UI.WebControls.CheckBox)this.DataGrid1.Items[i].FindControl("chkItem");
if(cb.Checked)
{
int n = Convert.ToInt32(((System.Web.UI.WebControls.Label)this.DataGrid1.Items[i].FindControl("lblID")).Text.ToString().Trim());
Del(SqlConn,n);
}