modalpopup extender not showing

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Im trying to follow a article from code project regarding of placing a required field validator in a modal popup:In my master page i have the following asp.net code:

XML

<%@ Master Language="C#" AutoEventWireup="true" CodeFile="Site.master.cs" Inherits="SiteMaster" %>

<%@ Register assembly="AjaxControlToolkit" namespace="AjaxControlToolkit" tagprefix="asp" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">

<head runat="server">
    <title></title>
    <link href="~/Styles/Site.css" rel="stylesheet" type="text/css" />
    <link rel="icon" type="image/ico" href="favicon.ico"/>
    <link rel="shortcut icon" href="favicon.ico"/>
     <asp:ContentPlaceHolder ID="HeadContent" runat="server">
    </asp:ContentPlaceHolder>
        </head>
<body>

    <form runat="server">
    <asp:ScriptManager ID="scriptMgr" runat="server">
                    </asp:ScriptManager>

    <div class="page">
        <div class="header">
            <div class="title">
                <h1>
                    <asp:Image ID="Image1" runat="server" BorderStyle="Double" Height="49px"
                        ImageAlign="Left" ImageUrl="~/FNU_logo.jpg" style="margin-left: 0px; margin-top: 5px;"
                        Width="206px" />
                        &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; RECORDS MANAGEMENT
                    SYSTEM</h1>
</div>
            <div class="clear hideSkiplink">
            <asp:Menu ID="NavigationMenu" runat="server" CssClass="menu"
                    EnableViewState="False" IncludeStyleBlock="False" Orientation="Horizontal"
                    BackColor="#F7F6F3" DynamicHorizontalOffset="2" Font-Names="Verdana"
                    Font-Size="0.8em" ForeColor="#7C6F57" StaticSubMenuIndent="10px">
                    <DynamicHoverStyle BackColor="#7C6F57" ForeColor="White" />
                    <DynamicMenuItemStyle HorizontalPadding="5px" VerticalPadding="2px" />
                    <DynamicMenuStyle BackColor="#F7F6F3" />
                    <DynamicSelectedStyle BackColor="#5D7B9D" />
                    <Items>
                        <asp:MenuItem NavigateUrl="~/Default2.aspx" Text="File Records"/>
                        <asp:MenuItem NavigateUrl="~/ViewRecords.aspx" Text="View Recods"/>
                    </Items>
                     <StaticHoverStyle BackColor="#7C6F57" ForeColor="White" />
                    <StaticMenuItemStyle HorizontalPadding="5px" VerticalPadding="2px" />
                    <StaticSelectedStyle BackColor="#5D7B9D" />
                     </asp:Menu>
                      <div class="main">


            <asp:ContentPlaceHolder ID="MainContent" runat="server">
                <div style="width: 1066px; height: 463px; margin-left: 0px">
             </div>
         </asp:ContentPlaceHolder>





                    <br />
                    <br />
                    <br />


                &nbsp;<br />
                    <br />

&nbsp;

                    <asp:UpdatePanel ID="update" runat="server" UpdateMode="Conditional">
                        <ContentTemplate>
                            <asp:Panel ID="errorsPanel" runat="server" Style="display: none;  border-style:solid;
                    border-width: thin; border-color: #FFDBCA" Width="175px" BackColor="White">
                             <div style="text-align: left">

                                <asp:ValidationSummary ID="valSummary" runat="server" DisplayMode="BulletList" ShowSummary="true"
                            ValidationGroup="valGroup" />
                            <div style="text-align: right">
                            <asp:Button ID="okBtn" runat="server" Text="Ok" /></div>
                    </div>
                            </asp:Panel>
                              <asp:Label ID="invisibleTarget" runat="server" Style="display: none" />
                            <asp:ModalPopupExtender ID="modalPopupEx" runat="server" PopupControlID="errorsPanel"
                    TargetControlID="invisibleTarget" CancelControlID="okBtn" BackgroundCssClass="HellowWorldPopup">
                            </asp:ModalPopupExtender>
                        </ContentTemplate>
                    </asp:UpdatePanel>

                </div>

            </div>

            </div>
        </div>





    <div class="footer">

        CopyRight@Fiji National University</div>
    </form>
</body>
</html>

then in my master code behind i have:

C#

public partial class SiteMaster : System.Web.UI.MasterPage
{

    protected void Page_Load(object sender, EventArgs e)
    {
        if(!HttpContext.Current.User.Identity.IsAuthenticated )

        {
            NavigationMenu.Items.Clear();
        }
    }

   public String ValidationGroup
    {
        set
        { valSummary.ValidationGroup = value; }
    }

    public bool CheckErrors()
    {
        Page.Validate(valSummary.ValidationGroup);
        if (!Page.IsValid)
        {
                update.Update();
                modalPopupEx.Show();
            return false;
        }
        return true;
    }

}

Then from another web form i trying to validate a textbox like this:

C#

protected SiteMaster PageMaster
   {
       get
       {
           return this.Master as SiteMaster;
           //return this.Site as SiteMaster;
       }
   }
   protected void ImageButton2_Click(object sender, ImageClickEventArgs e)
   {
       //SiteMaster master = (SiteMaster)this.Master;
       if (PageMaster.CheckErrors())
       {

}

The problem is that the validations only occurs at the server side and no popup appears at the client end...Where do im doing something wrong and how can i show up the popup

Thanks

Posted 19-Sep-12 10:43am

harrypsd1789

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Comments

sahabiswarup 20-Sep-12 3:23am

if you want to display modalpopup just click a button write
modalpopup.show()
into that event.

BillWoodruff 24-Sep-12 8:53am

Please tag your question with 'ASP.NET'

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