Function ConfirmDelete()
{
If(confirm(“Do you want to delete this record?”)==true)
Return true;
Else
Return false;
}
end script tag here


datagrid code:
<asp:TemplateColumn>
<ItemTemplate>
<asp:LinkButton id="btnDelete" CommandName="Delete" Runat="server"/>
</ItemTemplate>
</asp:TemplateColumn>



On ItemDataBound
switch(e.Item.ItemType) 
{ 
case ListItemType.Item: 
case ListItemType.AlternatingItem: 
{ 
LinkButton btn = (LinkButton)e.Item.FindControl("btnDelete"); 
btn.Attributes.Add("onclick", "return ConfirmDelete();"); 
break; 
} 
} 
 
onItemCommand
if(e.CommandName == "Delete") 
{ 
//delete the row
}