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How to hide a control in a master page?

Posted on 2010-09-04
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Last Modified: 2012-08-13
HI

I have a master page which has a menu and a control (DropDownList) that must be hidden according to the section in which the user navigates.

How to do that ?

Thanks in advance.
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Question by:dimensionav
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7 Comments
 
LVL 12

Expert Comment

by:Mohamed Abowarda
ID: 33603888
Use display: none; in CSS to hide any element in HTML document.
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Author Comment

by:dimensionav
ID: 33603897
but in ASP how could I know in which page is the user navigating, in order to decide when to hide the control?
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LVL 12

Expert Comment

by:Mohamed Abowarda
ID: 33603916
Are you using AJAX?
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Author Comment

by:dimensionav
ID: 33603924
not Jet, but if you show me how I wouldn´t mind to use it
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LVL 1

Accepted Solution

by:
teleportator earned 500 total points
ID: 33609027
Hello!
On the page you want to hide your user control you can do the following:
Control myControl = his.Master.FindControl("ControlIDYouWantToHide");
myControl.Visible = false;

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Author Comment

by:dimensionav
ID: 33620385
I have to perform some changes to your code, first of all I have changed it to VB and added it inside of INIT event, just like this:


Protected Sub Page_Init(ByVal sender As Object, ByVal e As System.EventArgs)
        Dim mddlCategory As DropDownList = Me.Master.FindControl("ddlCategory")
        mddlCategoria.Visible = False
    End Sub

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Author Closing Comment

by:dimensionav
ID: 33620408
Te code was a little different (C#) but with some adjustments it worked very well.
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