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Different functionality of RadComboBox

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ComboBox
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Dejan
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Dejan asked on 30 Mar 2011, 01:03 PM
Hi

I've notice strange behaviour of RadComboBox.

Case:
 I have two ComboBoxes, one is RadComboBox and another is Microsoft VS2010 built in CBox.
There is no other difference between except first is Rad and second is not.
They are in same grid with exactly same DataContext, same binding (you have code attached) and there is couple another text fields as well.
If I try to change values of another fields by selecting item in RadComboBox nothing happened,
but if I try to do same with regular CBox, values in other fields are changing depend of item I'm selecting in regular CBox.
I wonder why and how to bypassing that because in my company I must and I want to use Telerik RadCBox.

I also attach picture to demonstrate this five steps:

1. Two comboBoxes , Rad nad MS
2. selecting something in Teleric C box
3. Nothing happened in other txt fields
4. selecting something in MS comboBox
5. Everything is changed in text boxes around   



Am I doing something wrong???
Help.

Best Regards 

Dejan

Code:
<Grid DataContext="{Binding ElementName=taxDomainDataSource, Path=Data}" HorizontalAlignment="Left" Margin="380,288,0,0" Name="grid2" VerticalAlignment="Top" Width="224">
            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="Auto" />
                <ColumnDefinition Width="Auto" />
                <ColumnDefinition Width="24*" />
            </Grid.ColumnDefinitions>
            <Grid.RowDefinitions>
                <RowDefinition Height="Auto" />
                <RowDefinition Height="Auto" />
                <RowDefinition Height="Auto" />
                <RowDefinition Height="Auto" />
                <RowDefinition Height="Auto" />
                <RowDefinition Height="Auto" />
                <RowDefinition Height="Auto" />
            </Grid.RowDefinitions>
            <sdk:Label Content="Account ID:" Grid.Column="0" Grid.Row="0" HorizontalAlignment="Left" Margin="3" VerticalAlignment="Center" />
            <TextBox Grid.Column="1" Grid.Row="0" Height="23" HorizontalAlignment="Left" Margin="3" Name="accountIDTextBox1" Text="{Binding Path=AccountID, Mode=TwoWay, NotifyOnValidationError=true, ValidatesOnExceptions=true, TargetNullValue=''}" VerticalAlignment="Center" Width="120" />
            <sdk:Label Content="Code:" Grid.Column="0" Grid.Row="1" HorizontalAlignment="Left" Margin="3" VerticalAlignment="Center" />
            <telerik:RadComboBox DisplayMemberPath="Code" Grid.Column="1" Grid.Row="1" HorizontalAlignment="Left" ItemsSource="{Binding}" Margin="3,3,0,50" Name="codeRadComboBox" VerticalAlignment="Center" Width="120">
                 
            </telerik:RadComboBox>
            <sdk:Label Content="Description:" Grid.Column="0" Grid.Row="2" HorizontalAlignment="Left" Margin="3" VerticalAlignment="Center" />
            <TextBox Grid.Column="1" Grid.Row="2" Height="23" HorizontalAlignment="Left" Margin="3" Name="descriptionTextBox1" Text="{Binding Path=Description, Mode=TwoWay, NotifyOnValidationError=true, ValidatesOnExceptions=true, TargetNullValue=''}" VerticalAlignment="Center" Width="120" />
            <sdk:Label Content="ID:" Grid.Column="0" Grid.Row="3" HorizontalAlignment="Left" Margin="3" VerticalAlignment="Center" />
            <TextBox Grid.Column="1" Grid.Row="3" Height="23" HorizontalAlignment="Left" Margin="3" Name="iDTextBox2" Text="{Binding Path=ID, Mode=OneWay}" VerticalAlignment="Center" Width="120" />
            <sdk:Label Content="Sort Order:" Grid.Column="0" Grid.Row="4" HorizontalAlignment="Left" Margin="3" VerticalAlignment="Center" />
            <TextBox Grid.Column="1" Grid.Row="4" Height="23" HorizontalAlignment="Left" Margin="3" Name="sortOrderTextBox1" Text="{Binding Path=SortOrder, Mode=TwoWay, NotifyOnValidationError=true, ValidatesOnExceptions=true, TargetNullValue=''}" VerticalAlignment="Center" Width="120" />
            <sdk:Label Content="Tax Rate:" Grid.Column="0" Grid.Row="5" HorizontalAlignment="Left" Margin="3" VerticalAlignment="Center" />
            <TextBox Grid.Column="1" Grid.Row="5" Height="23" HorizontalAlignment="Left" Margin="3" Name="taxRateTextBox1" Text="{Binding Path=TaxRate, Mode=TwoWay, NotifyOnValidationError=true, ValidatesOnExceptions=true, TargetNullValue=''}" VerticalAlignment="Center" Width="120" />
            <sdk:Label Content="Tax Type:" Grid.Column="0" Grid.Row="6" HorizontalAlignment="Left" Margin="3" VerticalAlignment="Center" />
            <TextBox Grid.Column="1" Grid.Row="6" Height="23" HorizontalAlignment="Left" Margin="3" Name="taxTypeTextBox1" Text="{Binding Path=TaxType, Mode=TwoWay, NotifyOnValidationError=true, ValidatesOnExceptions=true, TargetNullValue=''}" VerticalAlignment="Center" Width="120" />
            <ComboBox DisplayMemberPath="Code" Grid.Column="1" Grid.Row="1" HorizontalAlignment="Left" ItemsSource="{Binding}" Margin="3,44,0,11" Name="code1ComboBox" VerticalAlignment="Center" Width="120"/>
        </Grid>

 

  

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George
Telerik team
answered on 05 Apr 2011, 08:22 AM
Hi Dejan,

The xaml code looks fine. We need some more information about the ViewModel and the Models to pinpoint the problem. What is the RadComboBox.SelectedItem bound to? 

I am glad to assist you further.

Regards,
George
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Dejan
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George
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