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[Solved] RadMenu open and placement after postback?

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answered on 12 Jun 2009, 02:38 PM

I figured this out!! Here is a quick sample of what I was trying to do:

ASPX Page:

    
            %@ Page Language="VB" AutoEventWireup="false" CodeFile="RelativeMenuPlacement.aspx.vb" 
        
                Inherits="TestFiles_RelativeMenuPlacement" %> 
        
            <%@ Register Assembly="Telerik.Web.UI" Namespace="Telerik.Web.UI" TagPrefix="telerik" %> 
        
            <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 
        
            <html xmlns="http://www.w3.org/1999/xhtml">  
        
            <head runat="server">  
        
                <title></title>  
        
                <script type="text/javascript">  
        
                    function showMenu() {  
        
                        var contextMenu = $find("<%#rdConMenu.ClientID %>");  
        
                        var xy = findPos(document.getElementById('<%#Me.TextBox1.ClientID %>'));  
        
                        contextMenu.showAt(xy[0], xy[1]);  
        
                    }  
        
                    function findPos(obj) {  
        
                        var curleft = curtop = 0;  
        
                        if (obj.offsetParent) {  
        
                            do {  
        
                                curleft += obj.offsetLeft;  
        
                                curtop += obj.offsetTop;  
        
                            } while (objobj = obj.offsetParent);  
        
                            return [curleft, curtop];  
        
                        }  
        
                    }  
        
                </script> 
        
            </head> 
        
            <body> 
        
                <form id="form1" runat="server">  
        
                <asp:ScriptManager ID="ScriptManager1" runat="server">  
        
                </asp:ScriptManager> 
        
                <div> 
        
                    <asp:UpdatePanel ID="upTest" runat="server">  
        
                        <ContentTemplate> 
        
                            <div style="float: left; padding-top: 100px; border: 2px solid;" id="testArea">  
        
                                <asp:TextBox ID="TextBox1" runat="server" Width="463px"></asp:TextBox> 
        
                            </div> 
        
                        </ContentTemplate> 
        
                        <Triggers> 
        
                            <asp:AsyncPostBackTrigger ControlID="Button1" /> 
        
                        </Triggers> 
        
                    </asp:UpdatePanel> 
        
                </div> 
        
                <asp:Button ID="Button1" runat="server" Text="Button" Width="157px" Style="clear: both;" /> 
        
                <telerik:RadContextMenu runat="server" ID="rdConMenu">  
        
                    <Items> 
        
                        <telerik:RadMenuItem Text="Test 1">  
        
                        </telerik:RadMenuItem> 
        
                        <telerik:RadMenuItem Text="Test 2">  
        
                        </telerik:RadMenuItem> 
        
                        <telerik:RadMenuItem Text="Test 3">  
        
                        </telerik:RadMenuItem> 
        
                        <telerik:RadMenuItem Text="Test 4">  
        
                        </telerik:RadMenuItem> 
        
                    </Items> 
        
                </telerik:RadContextMenu> 
        
                </form> 
        
            </body> 
        
            </html>

Code Behind:

    
            Imports Telerik.Web.UI  
        
            Partial Class TestFiles_RelativeMenuPlacement  
        
                Inherits System.Web.UI.Page  
        
                Protected Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click  
        
                    ScriptManager.RegisterClientScriptBlock(Me.Page, Me.Page.GetType, "showStuff", "showMenu(event);", True)  
        
                End Sub  
        
                Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load  
        
                    Me.Page.Header.DataBind()  
        
                    Me.form1.DataBind()  
        
                End Sub  
        
            End Class

Enjoy!

Daniel