Hi Marcelo,

Please, make sure that in the code behind you activate the ajax mouse click callback tool just as in the example you are talking about:

protected void NDrawingView1_QueryAjaxTools(object sender, EventArgs e)

{

    // Configure the client side tools

    NDrawingView1.AjaxTools.Add(new NAjaxMouseClickCallbackTool(true));

}

Hi, in that case there's something else missing in your project. Please, send the whole sample project to our support e-mail (support {at} nevron [dot] com). We will check it out and tell you what's wrong.