怎样在treeview 控件的selectedindexchanged 事件触发时 显示一个confirm 确认窗体

Question

treeview1.Attributes["Onselectindexchanged"]="javascript:return confirm('are you sure？')";
试一试

Answer 1

try this:string str="";
str+="if(!window.confirm('are u sure')) return false;";
str+="if(event.oldTreeNodeIndex != event.newTreeNodeIndex) ";
str+="this.queueEvent('onselectedindexchange', event.oldTreeNodeIndex + ',' + event.newTreeNodeIndex);";
TreeView1.Attributes.Add("onselectedindexchange",str);

Answer 2

Sub treeview1_indexchang(ByVal sender As Object, ByVal e As TreeViewSelectEventArgs) Handles TreeView1.SelectedIndexChange
        Dim str As String = ""
        str += "if(!window.confirm('are u sure')) return false;"
        str += "if(event.oldTreeNodeIndex != event.newTreeNodeIndex) "
        str += "this.queueEvent('onselectedindexchange', event.oldTreeNodeIndex + ',' + event.newTreeNodeIndex);"
        TreeView1.Attributes.Add("onselectedindexchange", str)
    End Sub
包你可以实现你的功能

Answer 3

http://218.242.3.211/dialogs/webform1.aspx
http://expert.csdn.net/Expert/TopicView1.asp?id=1442542
提醒一句，除了控件里用了JS,其他地方是不包含JS的。.
(也就是说，如果不考虑研究控件的实现,那么可以认为调用是纯C#的)