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The tag 'RadTabControl' does not exist in XML namespace 'clr-namespace:Telerik.Windows.Controls;assembly=Telerik.Windows.Controls.Navigation'
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This is a migrated thread and some comments may be shown as answers.
Frustrated Dev
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Frustrated Dev asked on 16 Feb 2010, 05:32 AM
Hello,

I am attempting to create the most basic page with a tab control. However, I am getting an error that says:
"The tag 'RadTabControl' does not exist in XML namespace 'clr-namespace:Telerik.Windows.Controls;assembly=Telerik.Windows.Controls.Navigation'"

My XAML is pretty simple. It looks like the following:

<UserControl x:Class="MyProject.MyPage" 
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 
    xmlns:navigation="clr-namespace:Telerik.Windows.Controls;assembly=Telerik.Windows.Controls.Navigation" 
    xmlns:telerik="clr-namespace:Telerik.Windows.Controls;assembly=Telerik.Windows.Controls.GridView" 
    xmlns:gridview="clr-namespace:Telerik.Windows.Controls.GridView;assembly=Telerik.Windows.Controls.GridView"
    <Grid x:Name="LayoutRoot" Background="Silver"
        <navigation:RadTabControl x:Name="mainTabControl" /> 
    </Grid> 
</UserControl> 

What am I doing wrong?


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Bobi
Telerik team
answered on 16 Feb 2010, 09:31 AM
Hi Frustrated Dev,

Please find attached a sample project.
Verify that you have referenced  under the Referense folder the following assemblies :
"Telerik.Windows.Controls.dll"
"Telerik.Windows.Controls.Navigation.dll"
"Telerik.Windows.Controls.GridView.dll"

If the problem still exist please let us know.
We need to know the version of your assemblies as well.

Greetings,
Bobi
the Telerik team

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Frustrated Dev
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Bobi
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