Dear  experts , how  to handle  following：

  after  click  on  the  Context menu  item  in  onClientContextMenuItemClicking (or OnClientContextMenuItemClicked)  event,  and  then  the  popup  div  layers (or aspx pages), and  gets  inside  the  text  of  TextBox1(TextBox1.Text）:

1. when TextBox1.text  is  not  null (or is  not  empty  string ), return  true, and  execut  service RadTreeView1_ContextMenuItemClick  event  ;

2. when TextBox1.text is null (or empty string), returns  false, will  does not  execut  services RadTreeView1_ContextMenuItemClick  event.

Reference:

Client  code:

function onClientContextMenuItemClicking(sender, args) {

var menuItem = args.get_menuItem();

var treeNode = args.get_node();

menuItem.get_menu().hide();

switch (menuItem.get_value()) {

case "new":

var  result=  pseudocode：(pop-up layer :  when  input  text  of  TextBox1 is not null or not  empty  string ): return true;  when TextBox1.text  is null  or empty  string  return  false.);

args.set_cancel(!result);  

break;

Description：

1.  /*  When variable  result  return  false  and  did not  execut RadTreeView1_ContextMenuItemClick .   Key points: When the pop-up layers, how to block  the  program to continue execut */  

2. /* this (pseudocode) is  my problem , and  how can  I  write  the  code ? */

}

Services  code:

protected void RadTreeView1_ContextMenuItemClick(object sender, RadTreeViewContextMenuEventArgs e)

{

RadTreeNode clickedNode = e.Node;

switch (e.MenuItem.Value)

{

case "new":

if(! IsNullOrEmpty (textbox1.text))

clickedNode.Nodes.Add(textbox1.text);

}}

many  thanks!

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