關(guān)于如何 確認(rèn)刪除的另外一個(gè)辦法。
2024-07-21 02:16:52
供稿：網(wǎng)友
<pre>
<%@ page language="vb" %>
<html>
<head>
<script language="vb" runat="server">
sub page_load(sender as object, e as eventargs)
if not ispostback then
dim values as new arraylist()
values.add(new positiondata("microsoft", "msft"))
values.add(new positiondata("intel", "intc"))
values.add(new positiondata("dell", "dell"))
mydatagrid.datasource = values
mydatagrid.databind()
end if
' add a client click event to the button
page.registeronsubmitstatement("onsubmit", "if(button == 'delete company')return confirm('are you sure you want to delete this company?');")
end sub
public class positiondata
private myname as string
private myticker as string
public sub new(newname as string, newticker as string)
me.myname = newname
me.myticker = newticker
end sub
public readonly property name() as string
get
return myname
end get
end property
public readonly property ticker() as string
get
return myticker
end get
end property
end class
sub mydatagrid_delete(sender as object, e as datagridcommandeventargs)
label1.text = "hey, you can't delete " & mydatagrid.datakeys(cint(e.item.itemindex)) & "!"
end sub
sub mydatagrid_itemcreated(sender as object, e as datagriditemeventargs)
select case e.item.itemtype
case listitemtype.item, listitemtype.alternatingitem
dim mytablecell as tablecell
mytablecell = e.item.cells(0)
dim mydeletebutton as button
mydeletebutton = mytablecell.controls(0)
mydeletebutton.attributes.add("onclick","button=this.value")
'notice that it is cell 1 instead of 0
mytablecell = e.item.cells(1)
mydeletebutton = mytablecell.controls(0)
mydeletebutton.attributes.add("onclick","button=this.value")
end select
end sub
</script>
</head>
<body>
<asp:label id="label1" runat="server" />
<form runat=server>
<asp:datagrid id="mydatagrid"
datakeyfield="name"
autogeneratecolumns="true"
ondeletecommand="mydatagrid_delete"
onitemcreated="mydatagrid_itemcreated"
runat="server">
<columns>
<asp:buttoncolumn text="no onsubmit" commandname="nosubmit" buttontype="pushbutton"/>
<asp:buttoncolumn text="delete company" commandname="delete" buttontype="pushbutton"/>
</columns>
</asp:datagrid>
<p>
<asp:textbox id="tokentextbox" runat="server" columns="40" text="the required field validator will not fire" />
<asp:requiredfieldvalidator id="tokentvalidator" runat="server" controltovalidate="tokentextbox" />
</form>
</body>
</html>
</pre>
