Access VieModel of TabControl in UserControl

[ITA]

Hi,

using c# .NET 4.5, Wpf, RadTabControl (DataContext is a TabViemodel).

I bound a VieModel on my RadTabControl. With a Command on a RadButton, i add a new TAbItem and load a UserControl
as Contet.

On initializing the USerControl i try to access the ViewModel from the TAbControl, but without any success. As you can see on
the attached File the SelectedContent is my VieModel, but the var yyy is null?

Thanks
Best Regards
Rene

[Pavel R. Pavlov]

Hi Rene,

I am not sure how exactly you load the UserControl into the RadTabControl. I implemented an MVVM approach in the attached project to demonstrate how a UserControl should be loaded.

Please take a look at it and let me know if you need any further assistance.

Regards,
Pavel R. Pavlov
Telerik

 

 

[ITA]

Hi Pavel,

this is how i load the UserControl into the RadTabControl. If the right button is in an GridView line, how do i transfer the selected
Item of the GridView into the new TabItem?

Example:
On my UserControl is a RadGridView, which contains a MVVM of Taks. Now i click the RadButton in one Row of the GridView.
The New Tab opens a loads the right UserControl. But how do i get the Item from the GridView?

Thanks
Best Regards
Rene

[Martin Ivanov]

Hello Rene,

I modified the project that Pavel sent you and now it demonstrates TabControl and GridView controls. The GridView rows contain a Button and when you click it a new TabItem is added with the view model of button's container row. 

The project also demonstrates adding of a new item in the TabControl on selection changed. Please give the project a try and let  me know if it works for you.

Regards,
Martin
Telerik

 

 

[ITA]

Hi Martin,

sorry can't open the project!

Thanks
Rene

[Martin Ivanov]

Hello Rene,

You can try to open the project through the Visual Studio's File menu. To do so you can click on File --> Open -- > Project/Solution.

I also attached the project files so you can create new project and use the code from them if the project's opening does not work for you.

Regards,
Martin
Telerik

 

 

[ITA]

Hi Martin,

thanks so much, but i have one more question. I attached a Screenshot of the UserUserControl Initialization on the new Tab.
But why is "ti = null"?

I need a propertie out of the TabViewModel to load the selected Item from the Control before!

Thanks
Best Regards

All the best for 2015!

[ITA]

sorry the file...

[ITA]

Hi Martin,

thanks a lot, problem is solved!

Best Regards
Rene