Inconsistent (?) behavior when calling a RadWindow with different client methods.

[Boris]

I've got a web page in my system that pops up when I double-click on a RadGrid row.   This has been working fine.

This is based mainly on these examples:  
http://www.telerik.com/community/forums/aspnet-ajax/window/customization-of-radwindow-through-clientside-javascript.aspx
and here:
http://demos.telerik.com/aspnet-ajax/window/examples/radopen/defaultvb.aspx

The JavaScript is called by the RadGrid in the client events, OnRowDblClick.  

Now, what I'd like is to have a similar screen called by a button in the grid row.  (For test purposes I am calling the same screen and JavaScript function.)  To this end I have added a GridButtonColumn, ImageButton type, to the grid.  In the C# code, in the ItemDataBound event, I have added the following code.  
if (e.Item is GridDataItem)
 {
    GridDataItem item = (GridDataItem)e.Item;
    ((ImageButton)item["PrintDoc"].Controls[0]).Attributes.Add("onclick", "printDoc(this," + item["Id"].Text + ");");                              
 } 

The JavaScript code is as follows:

  function printDoc(sender, Id) {
       var oWnd = window.radopen("PrintDoc.aspx?Id=" + Id, "Print Doc");
       oWnd.SetWidth(600);
       oWnd.SetHeight(400);
       oWnd.set_behaviors(Telerik.Web.UI.WindowBehaviors.Move +
                          Telerik.Web.UI.WindowBehaviors.Close +
                          Telerik.Web.UI.WindowBehaviors.Resize); 
       oWnd.show();
 }

The Javascript code is getting called and receiving the correct data.  The problem is that when called from the button, the window is just flickering on the screen for an instant before vanishing.  

Suggestions?

[Marin Bratanov]

Hello Boris,

A button, by default, performs a postback, which would dispose (and effectively close) the RadWindow we just opened. You need to prevent this postback.

If you are using a standard ASP button you need to return false and if you are using a RadButton you need to set its AutoPostBack property to false.


Regards,
Marin Bratanov
the Telerik team

[Boris]

I'll keep that in mind.  

(But now they're changed the specs again and I have no need to do this at this time.  :-)