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Gridview Visiblity based on ComboBox value & Passing Observable Collection as Converter Parameter

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GridView

This is a migrated thread and some comments may be shown as answers.

Prakash asked on 04 Jun 2012, 07:34 PM

Hi,

I have a requirement

Requirement 1# : Inside a Hirerchy Template placed 2 Grids where in

1st grid 3 columns where 1 column has Combo Box loaded with Values.

For ex: Football, Disco

If i select Football, 2 grid placed inside Hirechy Template should be visible or else visbility of that grid should be collapsed.

How can i solve this.

Requirement 2#: Can i pass Observable collection as converter parameter

<Radcombobox selecteditem={Binding collection, converter={}} -> to show as like A,B,C (Selected Items as comma separated)

<controls:RadGridView Name="clubsGrid"

ItemsSource="{Binding Clubs}" Grid.Row="0"

AutoGenerateColumns="False" IsReadOnly="True" SelectionMode="Single" DataContext="{StaticResource MyViewModel}">

<controls:RadGridView.ChildTableDefinitions>

<controls:GridViewTableDefinition/>

</controls:RadGridView.ChildTableDefinitions>

<controls:RadGridView.Columns>

<controls:GridViewDataColumn DataMemberBinding="{Binding Name}"

Header="Est."></controls:GridViewDataColumn>

<controls:GridViewDataColumn DataMemberBinding="{Binding Established}"></controls:GridViewDataColumn>

</controls:RadGridView.Columns>

<controls:RadGridView.HierarchyChildTemplate>

<DataTemplate>

<controls:RadGridView Name="playersGrid"

ItemsSource="{Binding Players}"

AutoGenerateColumns="False" EnableRowVirtualization="False" EnableColumnVirtualization="False"

> 

                                        <controls:RadGridView.ChildTableDefinitions> 
                <controls:GridViewTableDefinition/> 
            </controls:RadGridView.ChildTableDefinitions>

<controls:RadGridView.Columns>

<controls:GridViewDataColumn DataMemberBinding="{Binding Name}">

</controls:GridViewDataColumn>

<controls:GridViewDataColumn DataMemberBinding="{Binding SelectedItem.Name}">

<controls:GridViewDataColumn.CellEditTemplate>

<DataTemplate>

<RadControls:RadComboBox ItemsSource="{Binding Hobbies, Mode=OneTime}" SelectedItem="{Binding SelectedItem,Mode=TwoWay}" SelectedValue="Name" DisplayMemberPath="Name" >

</RadControls:RadComboBox>

</DataTemplate>

</controls:GridViewDataColumn.CellEditTemplate>

</controls:GridViewDataColumn

</controls:RadGridView.Columns

> 

                                    
<
 
 
telerik:RadGridView.HierarchyChildTemplate>
 
 
 
 
<HierarchicalDataTemplate>
 


                                    <controls:RadGridView Name="Hobbies" 
                                     ItemsSource="{Binding Hobbies}" 
                                     AutoGenerateColumns="True" EnableRowVirtualization="False" EnableColumnVirtualization="False"/>

</controls:RadGridView

> 

</
 
 
HierarchicalDataTemplate>
 
 
 
 
</telerik:RadGridView.HierarchyChildTemplate>

</DataTemplate>

</controls:RadGridView.HierarchyChildTemplate>

</controls:RadGridView>

1 Answer, 1 is accepted

answered on 05 Jun 2012, 05:39 AM

Hi,

I have a requirement

Requirement 1# : Inside a Hirerchy Template placed 2 Grids where in

1st grid 3 columns where 1 column has Combo Box loaded with Values.

For ex: Football, Disco

If i select Football, Hobbies grid should be visible as hirerchy or else hirerchy should not be visible and (+) should not be visible.

How can i solve this.

Requirement 2#: Can i pass Observable collection as converter parameter

<Radcombobox selecteditem={Binding collection, converter={}} -> to show as like A,B,C (Selected Items as comma separated)

<controls:RadGridView Name="clubsGrid"

ItemsSource="{Binding Clubs}" Grid.Row="0"

AutoGenerateColumns="False" IsReadOnly="True" SelectionMode="Single" DataContext="{StaticResource MyViewModel}">

<controls:RadGridView.ChildTableDefinitions>

<controls:GridViewTableDefinition/>

</controls:RadGridView.ChildTableDefinitions>

<controls:RadGridView.Columns>

<controls:GridViewDataColumn DataMemberBinding="{Binding Name}"

Header="Est."></controls:GridViewDataColumn>

<controls:GridViewDataColumn DataMemberBinding="{Binding Established}"></controls:GridViewDataColumn>

</controls:RadGridView.Columns>

<controls:RadGridView.HierarchyChildTemplate>

<DataTemplate>

<controls:RadGridView Name="playersGrid"

ItemsSource="{Binding Players}"

AutoGenerateColumns="False" EnableRowVirtualization="False" EnableColumnVirtualization="False"

> 

                                        <controls:RadGridView.ChildTableDefinitions> 
                <controls:GridViewTableDefinition/> 
            </controls:RadGridView.ChildTableDefinitions>

<controls:RadGridView.Columns>

<controls:GridViewDataColumn DataMemberBinding="{Binding Name}">

</controls:GridViewDataColumn>

<controls:GridViewDataColumn DataMemberBinding="{Binding SelectedItem.Name}">

<controls:GridViewDataColumn.CellEditTemplate>

<DataTemplate>

<RadControls:RadComboBox ItemsSource="{Binding Hobbies, Mode=OneTime}" SelectedItem="{Binding SelectedItem,Mode=TwoWay}" SelectedValue="Name" DisplayMemberPath="Name" >

</RadControls:RadComboBox>

</DataTemplate>

</controls:GridViewDataColumn.CellEditTemplate>

</controls:GridViewDataColumn

</controls:RadGridView.Columns

> 

                                    
<
 
 
telerik:RadGridView.HierarchyChildTemplate>
 
 
 
 
<HierarchicalDataTemplate>
 


                                    <controls:RadGridView Name="Hobbies" 
                                     ItemsSource="{Binding Hobbies}" 
                                     AutoGenerateColumns="True" EnableRowVirtualization="False" EnableColumnVirtualization="False"/>

</controls:RadGridView

> 

</
 
 
HierarchicalDataTemplate>
 
 
 
 
</telerik:RadGridView.HierarchyChildTemplate>

</DataTemplate>

</controls:RadGridView.HierarchyChildTemplate>

</controls:RadGridView>