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Zone: > NEWSGROUP > Asp.Net Forum > general_asp.net.master_pages_themes_and_navigation_controls Tags:
Item Type: NewsGroup Date Entered: 3/2/2004 12:21:24 AM Date Modified: Subscribers: 0 Subscribe Alert
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bholland
Asp.Net User
Changing Themes programatically from Master Page3/2/2004 12:21:24 AM

0/0

Is it possible to change a theme from a Master Page?

I have a dropdownlist on a master page and would like to change the theme on the fly.

Any samples would be appreciated.

Here is what I have put in the MasterPage for testing purposes:

Dim Theme As String

Theme = Session("Theme")
If Theme IsNot Nothing Then
Page.Theme = Theme
End If

If DropDownList1.SelectedValue <> "Base" Then
Page.Theme = DropDownList1.SelectedValue
Else
Page.Theme = "Base"
End If


Thanks
Fredrik N
Asp.Net User
Re: Changing Themes programatically from Master Page3/2/2004 5:04:57 AM

0/0

The Theme is applied in the Page PreInit event. You could use the new client call-back feature to add the selected theme from your dropdown into your ?Theme? session.

You have to set the theme in the Page's PreInit event.

For example: 



Sub Page_PreInit(Sender As Object, E As EventArgs)





      Dim Theme As String 





      Theme = Session("Theme") 


      If Theme IsNot Nothing Then 





           Page.Theme = Theme 





      End If 





End Dub

/Fredrik Norm?n NSQUARED2
Microsoft MVP, MCSD, MCAD, MCT

Cornerstone

My Blog, ASP.Net 2.0 etc
Dave Sussman
Asp.Net User
Re: Changing Themes programatically from Master Page3/2/2004 9:34:26 AM

0/0

It's also important to remember that the PreInit fires before any postback events, therefore you can't select your theme from a dropdown and have it applied in the same postback by referencing the dropdown in PreInit.

Fredrik mentions one method which is to use the client call-back feature, where you do an out-of-band callback to set the theme and then a proper postback. Another method is, in the PreInit, to pull the theme directly from the Form.

Dave
3 Items, 1 Pages 1 |< << Go >> >|


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