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  • Status: Solved
  • Priority: Medium
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How to make a panel invisible

Dear experts,

I have a Panel in my Master page:
                                                                                    <asp:Panel ID="pnlSettings"  runat="server" >
                                                                                        [<asp:LinkButton ID="btnSettings"  runat="server" Text="Settings" OnClick="btnSettings_Click" />]
                                                                                    </asp:Panel>

I want it to be invisible for certain users. I tried it in my Page's Page_Init():
if(some conditions)
{
                    Panel pnlSettings = ((TPSMasterPage)Master).GetControl((TPSMasterPage)Master, "pnlSettings") as Panel;
                    if (pnlSettings != null)
                    {
                        pnlSettings.Visible = false;
                    }
}
This code is executed, but the Panel is still visible.
I tried to move it to Master page's Page_Load(), with the same result. What am I doing wrong?
Thanks.
0
tantormedia
Asked:
tantormedia
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1 Solution
 
käµfm³d 👽Commented:
You could create a public property on your master page which exposes the panel. Then you can interact with it directly instead of using FindControl.

As far as "Visible = false," that approach has worked form me.
// Example
//////////////////////////////////////
// On master page
//////////////////////////////////////
public Panel LogoutPanel
{
    get { return this.pnlLogout; }
}


//////////////////////////////////////
// On content page
//////////////////////////////////////
((Main)this.Master).LogoutPanel.Visible = false;

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0
 
tantormediaAuthor Commented:
Thank you for your response.

Would my code work for you? Do you have any idea why it doesn't work for me?
0
 
käµfm³d 👽Commented:
>>  I tried to move it to Master page's Page_Load()

Have you tried the content page's Page_Load() ?
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tantormediaAuthor Commented:
Yes, I tried it now, with no success.
0
 
Daniel Van Der WerkenIndependent ConsultantCommented:
Here is how you do this:

1.  In your Mastter Page ASPX:
   In the <form> tag:
       <asp:Panel ID="_prvPanelTest" runat="server">
       <asp:LinkButton ID="_prvLinkButtonTest" runat="server" Text="My Test LinkButton">
       </asp:LinkButton>
    </asp:Panel>  

2.  In the MasterPage code-behind (cs file):

        private bool _prvShowLinkButton = false;
        public bool _pubShowLinkButton
        {
            get
            {
                return _prvShowLinkButton;
            }
            set
            {
                _prvShowLinkButton = value;
                _prvPanelTest.Visible = value;
            }
        }

and:
        protected void Page_Load( object sender, EventArgs e )
        {
            _prvPanelTest.Visible = _pubShowLinkButton;
        }

3.  Then, in the ASPX file that uses the Master Page:
     Add this right under the @Page directive.
<%@ MasterType VirtualPath="~/AycoDocuments.Master" %>

4.  Then, in the code-behind for this ASPX page:

        protected void Page_Load( object sender, EventArgs e )
        {
            Master._pubShowLinkButton = false;
        }

and it will not show up on the ASPX page.
0
 
tantormediaAuthor Commented:
No, doesn't help :(
0
 
tantormediaAuthor Commented:
Figured it out. The problem was that I had two panels with the same id. Sorry for the confusion.
0

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