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ShowColumnFooters in hierarchical GridView
Hello,

Is it possible to show column footers for hierarchical data?

Thanks for advance,
Tatu
GridView
Vlad
Telerik team
 answered on 04 Mar 2010
9 answers
343 views
Freeze/Crash on Tile Change
Whenever I change from a maximized tile with a scheduler in it to another tile, it freezes halfway through, the program becomes unresponsive and crashes.


  • Telerik WPF Trial: 2009.3.1314.35
  • Operating System: Windows 7 Ultimate 64-bit (6.1, Build 7600) (7600.win7_rtm.090713-1255)
  • Processor: Intel(R) Core(TM)2 Quad CPU    Q6700  @ 2.66GHz
  • Memory: 6144MB RAM
  • DirectX Version: DirectX 11
  • Card name: NVIDIA GeForce GTX 275

Example:
<Window 
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 
    xmlns:telerik="clr-namespace:Telerik.Windows.Controls;assembly=Telerik.Windows.Controls" 
    xmlns:telerikAnimation="clr-namespace:Telerik.Windows.Controls.Animation;assembly=Telerik.Windows.Controls" 
    xmlns:telerikNavigation="clr-namespace:Telerik.Windows.Controls;assembly=Telerik.Windows.Controls.Navigation" 
    xmlns:telerikScheduler="clr-namespace:Telerik.Windows.Controls;assembly=Telerik.Windows.Controls.Scheduler" 
    x:Class="WpfApplication1.Window1" 
    Title="Test" 
    MinHeight="500" MinWidth="800" > 
    <telerikNavigation:RadTileView telerik:StyleManager.Theme="Windows7" MaximizeMode="One" FlowDirection="LeftToRight" MinimizedItemsPosition="Left"> 
        <telerikNavigation:RadTileViewItem telerik:StyleManager.Theme="Windows7"> 
            <telerikNavigation:RadTileViewItem.Header> 
                <StackPanel Orientation="Horizontal"> 
                    <TextBlock Text="Scheduler" Margin="5"/> 
                </StackPanel> 
            </telerikNavigation:RadTileViewItem.Header> 
            <telerik:RadFluidContentControl > 
                <telerik:RadFluidContentControl.SmallContent> 
                    <StackPanel> 
                        <TextBlock Margin="5,5,5,0"><Hyperlink><Run Text="Test"/></Hyperlink></TextBlock> 
                        <TextBlock Margin="5,5,5,0"><Hyperlink><Run Text="Test"/></Hyperlink></TextBlock> 
                        <TextBlock Margin="5"><Hyperlink><Run Text="Test"/></Hyperlink></TextBlock> 
                    </StackPanel> 
                </telerik:RadFluidContentControl.SmallContent> 
                <telerik:RadFluidContentControl.LargeContent> 
                    <Border> 
                        <telerikScheduler:RadScheduler telerik:StyleManager.Theme="Windows7"/> 
                    </Border> 
                </telerik:RadFluidContentControl.LargeContent> 
            </telerik:RadFluidContentControl> 
        </telerikNavigation:RadTileViewItem> 
        <telerikNavigation:RadTileViewItem telerik:StyleManager.Theme="Windows7" > 
            <telerikNavigation:RadTileViewItem.Header> 
                <StackPanel Orientation="Horizontal"> 
                    <TextBlock Text="Test" Margin="5"/> 
                </StackPanel> 
            </telerikNavigation:RadTileViewItem.Header> 
            <telerik:RadFluidContentControl telerikAnimation:AnimationManager.IsAnimationEnabled="True"> 
                <telerik:RadFluidContentControl.SmallContent> 
                    <StackPanel> 
                        <TextBlock Margin="5,5,5,0"><Hyperlink><Run Text="Test"/></Hyperlink></TextBlock> 
                        <TextBlock Margin="5"><Hyperlink><Run Text="Test"/></Hyperlink></TextBlock> 
                    </StackPanel> 
                </telerik:RadFluidContentControl.SmallContent> 
                <telerik:RadFluidContentControl.LargeContent> 
                    <Border x:Name="ContactsContentContainer" /> 
                </telerik:RadFluidContentControl.LargeContent> 
                <Border/> 
            </telerik:RadFluidContentControl> 
        </telerikNavigation:RadTileViewItem> 
        <telerikNavigation:RadTileViewItem telerik:StyleManager.Theme="Windows7"> 
            <telerikNavigation:RadTileViewItem.Header> 
                <StackPanel Orientation="Horizontal"> 
                    <TextBlock Text="Test" Margin="5"/> 
                </StackPanel> 
            </telerikNavigation:RadTileViewItem.Header> 
            <telerik:RadFluidContentControl telerikAnimation:AnimationManager.IsAnimationEnabled="True"> 
                <telerik:RadFluidContentControl.SmallContent> 
                    <StackPanel> 
                        <TextBlock Margin="5,5,5,0"><Hyperlink><Run Text="Test"/></Hyperlink></TextBlock> 
                        <TextBlock Margin="5"><Hyperlink><Run Text="Test"/></Hyperlink></TextBlock> 
                    </StackPanel> 
                </telerik:RadFluidContentControl.SmallContent> 
                <telerik:RadFluidContentControl.LargeContent> 
                    <Border /> 
                </telerik:RadFluidContentControl.LargeContent> 
                <Border/> 
            </telerik:RadFluidContentControl> 
        </telerikNavigation:RadTileViewItem> 
        <telerikNavigation:RadTileViewItem telerik:StyleManager.Theme="Windows7"> 
            <telerikNavigation:RadTileViewItem.Header> 
                <StackPanel Orientation="Horizontal"> 
                    <TextBlock Text="Test" Margin="5"/> 
                </StackPanel> 
            </telerikNavigation:RadTileViewItem.Header> 
            <telerik:RadFluidContentControl telerikAnimation:AnimationManager.IsAnimationEnabled="True"> 
                <telerik:RadFluidContentControl.SmallContent> 
                    <StackPanel> 
                        <TextBlock Margin="5"><Hyperlink><Run Text="Test"/></Hyperlink></TextBlock> 
                    </StackPanel> 
                </telerik:RadFluidContentControl.SmallContent> 
                <telerik:RadFluidContentControl.LargeContent> 
                    <Border /> 
                </telerik:RadFluidContentControl.LargeContent> 
                <Border/> 
            </telerik:RadFluidContentControl> 
        </telerikNavigation:RadTileViewItem> 
        <telerikNavigation:RadTileViewItem telerik:StyleManager.Theme="Windows7"> 
            <telerikNavigation:RadTileViewItem.Header> 
                <StackPanel Orientation="Horizontal"> 
                    <TextBlock Text="Test" Margin="5"/> 
                </StackPanel> 
            </telerikNavigation:RadTileViewItem.Header> 
            <telerik:RadFluidContentControl telerikAnimation:AnimationManager.IsAnimationEnabled="True"> 
                <telerik:RadFluidContentControl.SmallContent> 
                    <StackPanel> 
                        <TextBlock Margin="5"><Hyperlink><Run Text="Test"/></Hyperlink></TextBlock> 
                    </StackPanel> 
                </telerik:RadFluidContentControl.SmallContent> 
                <telerik:RadFluidContentControl.LargeContent> 
                    <Border /> 
                </telerik:RadFluidContentControl.LargeContent> 
                <Border/> 
            </telerik:RadFluidContentControl> 
        </telerikNavigation:RadTileViewItem> 
        <telerikNavigation:RadTileViewItem telerik:StyleManager.Theme="Windows7"> 
            <telerikNavigation:RadTileViewItem.Header> 
                <StackPanel Orientation="Horizontal"> 
                    <TextBlock Text="Test" Margin="5"/> 
                </StackPanel> 
            </telerikNavigation:RadTileViewItem.Header> 
            <telerik:RadFluidContentControl telerikAnimation:AnimationManager.IsAnimationEnabled="True"> 
                <telerik:RadFluidContentControl.SmallContent> 
                    <StackPanel> 
                        <TextBlock Margin="5,5,5,0"><Hyperlink><Run Text="Test"/></Hyperlink></TextBlock> 
                        <TextBlock Margin="5"><Hyperlink><Run Text="Test"/></Hyperlink></TextBlock> 
                    </StackPanel> 
                </telerik:RadFluidContentControl.SmallContent> 
                <telerik:RadFluidContentControl.LargeContent> 
                    <StackPanel/> 
                </telerik:RadFluidContentControl.LargeContent> 
            </telerik:RadFluidContentControl> 
        </telerikNavigation:RadTileViewItem> 
    </telerikNavigation:RadTileView> 
</Window> 
 

TileView
Tihomir Petkov
Telerik team
 answered on 03 Mar 2010
5 answers
104 views
checkboxeditor

 

 

Hi,

we are using telerik checkboxeditor in our project.
we are  adding  some text to checkboxeditor.
The background color of Checkboxeditor we are getting is orange.
When we change the back ground color of check box . Only the border of checkbox is getting changed.
 I want to change the back ground of text as well which is given to check box.....
Please reply me with a solution to solve this problem

General Discussions
Hristo
Telerik team
 answered on 03 Mar 2010
1 answer
163 views
Grid Issue
What does the error mean, my grid is working fine. and when i click multiple clicks in a cell it throws error in IValue converter, Convertback function
here

 

public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)

 

{

 

 

throw new NotImplementedException();

 

}

how to resolve this.

 



System.NotImplementedException was unhandled
  Message="The method or operation is not implemented."
  Source="Grid Issue"
  StackTrace:
       at Grid_Issue.ConvertReportType.ConvertBack(Object value, Type targetType, Object parameter, CultureInfo culture) in D:\Grid Issue\Grid Issue\ConvertReportType.cs:line 109
       at System.Windows.Data.BindingExpression.ConvertProposedValue(Object value)
       at System.Windows.Data.BindingExpressionBase.UpdateValue()
       at Telerik.Windows.Controls.GridViewBoundColumnBase.UpdateBindingBaseSource(BindingExpression bindingBase, DependencyObject source) in c:\Builds\WPF_Scrum\Release_WPF\Sources\Development\Controls\GridView\GridView\GridView\Columns\GridViewBoundColumnBase.cs:line 844
       at Telerik.Windows.Controls.GridViewBoundColumnBase.UpdateSourceWithEditorValue(GridViewCell gridViewCell) in c:\Builds\WPF_Scrum\Release_WPF\Sources\Development\Controls\GridView\GridView\GridView\Columns\GridViewBoundColumnBase.cs:line 792
       at Telerik.Windows.Controls.GridView.GridViewCell.UpdateSourceWithEditorValue() in c:\Builds\WPF_Scrum\Release_WPF\Sources\Development\Controls\GridView\GridView\GridView\Cells\GridViewCell.cs:line 1223
       at Telerik.Windows.Controls.GridView.EditContext.ValidateCell(GridViewCell cell) in c:\Builds\WPF_Scrum\Release_WPF\Sources\Development\Controls\GridView\GridView\GridView\Editing\EditContext.cs:line 227
       at Telerik.Windows.Controls.GridView.EditContext.PerformCellValidation(GridViewCell cell) in c:\Builds\WPF_Scrum\Release_WPF\Sources\Development\Controls\GridView\GridView\GridView\Editing\EditContext.cs:line 211
       at Telerik.Windows.Controls.GridView.EditContext.CommitCellEdit(GridViewCell currentCell, Boolean isLeavingRow) in c:\Builds\WPF_Scrum\Release_WPF\Sources\Development\Controls\GridView\GridView\GridView\Editing\EditContext.cs:line 73
       at Telerik.Windows.Controls.GridView.EditContext.CanCellBecomeCurrent(GridViewCell cell) in c:\Builds\WPF_Scrum\Release_WPF\Sources\Development\Controls\GridView\GridView\GridView\Editing\EditContext.cs:line 333
       at Telerik.Windows.Controls.GridView.GridViewCell.CanCellBecomeCurrent() in c:\Builds\WPF_Scrum\Release_WPF\Sources\Development\Controls\GridView\GridView\GridView\Cells\GridViewCell.cs:line 119
       at Telerik.Windows.Controls.GridView.GridViewCell.OnCoerceIsCurrent(DependencyObject target, Object baseValue) in c:\Builds\WPF_Scrum\Release_WPF\Sources\Development\Controls\GridView\GridView\GridView\Cells\GridViewCell.cs:line 109
       at System.Windows.DependencyObject.ProcessCoerceValue(DependencyProperty dp, PropertyMetadata metadata, EntryIndex& entryIndex, Int32& targetIndex, EffectiveValueEntry& newEntry, EffectiveValueEntry& oldEntry, Object& oldValue, Object baseValue, CoerceValueCallback coerceValueCallback, Boolean coerceWithDeferredReference, Boolean skipBaseValueChecks)
       at System.Windows.DependencyObject.UpdateEffectiveValue(EntryIndex entryIndex, DependencyProperty dp, PropertyMetadata metadata, EffectiveValueEntry oldEntry, EffectiveValueEntry& newEntry, Boolean coerceWithDeferredReference, OperationType operationType)
       at System.Windows.DependencyObject.SetValueCommon(DependencyProperty dp, Object value, PropertyMetadata metadata, Boolean coerceWithDeferredReference, OperationType operationType, Boolean isInternal)
       at System.Windows.DependencyObject.SetValue(DependencyProperty dp, Object value)
       at Telerik.Windows.Controls.GridView.GridViewCell.set_IsCurrent(Boolean value) in c:\Builds\WPF_Scrum\Release_WPF\Sources\Development\Controls\GridView\GridView\GridView\Cells\GridViewCell.cs:line 310
       at Telerik.Windows.Controls.GridView.EditContext.OnCellMouseDown(GridViewCell cell) in c:\Builds\WPF_Scrum\Release_WPF\Sources\Development\Controls\GridView\GridView\GridView\Editing\EditContext.cs:line 327
       at Telerik.Windows.Controls.GridView.GridViewCell.OnMouseLeftButtonDown(MouseButtonEventArgs e) in c:\Builds\WPF_Scrum\Release_WPF\Sources\Development\Controls\GridView\GridView\GridView\Cells\GridViewCell.cs:line 429
       at System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)
       at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
       at System.Windows.UIElement.ReRaiseEventAs(DependencyObject sender, RoutedEventArgs args, RoutedEvent newEvent)
       at System.Windows.UIElement.OnMouseDownThunk(Object sender, MouseButtonEventArgs e)
       at System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)
       at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
       at System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)
       at System.Windows.UIElement.RaiseEvent(RoutedEventArgs args, Boolean trusted)
       at System.Windows.Input.InputManager.ProcessStagingArea()
       at System.Windows.Input.InputManager.ProcessInput(InputEventArgs input)
       at System.Windows.Input.InputProviderSite.ReportInput(InputReport inputReport)
       at System.Windows.Interop.HwndMouseInputProvider.ReportInput(IntPtr hwnd, InputMode mode, Int32 timestamp, RawMouseActions actions, Int32 x, Int32 y, Int32 wheel)
       at System.Windows.Interop.HwndMouseInputProvider.FilterMessage(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
       at System.Windows.Interop.HwndSource.InputFilterMessage(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
       at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
       at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
       at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Boolean isSingleParameter)
       at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Boolean isSingleParameter, Delegate catchHandler)
       at System.Windows.Threading.Dispatcher.InvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Boolean isSingleParameter)
       at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
       at MS.Win32.UnsafeNativeMethods.DispatchMessage(MSG& msg)
       at System.Windows.Threading.Dispatcher.TranslateAndDispatchMessage(MSG& msg)
       at System.Windows.Threading.Dispatcher.PushFrameImpl(DispatcherFrame frame)
       at System.Windows.Application.RunInternal(Window window)
       at Grid_Issue.App.Main() in D:\Grid Issue\Grid Issue\obj\Debug\App.g.cs:line 0
       at System.AppDomain._nExecuteAssembly(Assembly assembly, String[] args)
       at Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssembly()
       at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
       at System.Threading.ThreadHelper.ThreadStart()
  InnerException:
GridView
Milan
Telerik team
 answered on 03 Mar 2010
0 answers
184 views
GridViewDataColumn - LostFocus never fires
Hi.. I have the following code.. but the LostFocus never fires. Any ideas ?  thanks

Does not fire on the Weight or Units DataColumns....   


 

 

<telerikPresentation:RadGridView AutoGenerateColumns="False" DataLoadMode="Asynchronous" CanUserInsertRows="True" FrozenColumnCount="1" Height="157" IsFilteringAllowed="False" IsReadOnly="False" Margin="6.5,6,104,6" Name="gridInv_det" ScrollMode="Deferred" telerikPresentation:StyleManager.Theme="Summer" Width="856" ShowGroupPanel="False" Grid.ColumnSpan="2">

 

 

 

<telerikPresentation:RadGridView.Effect>

 

 

 

<DropShadowEffect BlurRadius="0" ShadowDepth="2" />

 

 

 

</telerikPresentation:RadGridView.Effect>

 

 

 

<telerikPresentation:RadGridView.Columns>

 

 

 

<telerikPresentation:GridViewComboBoxColumn DisplayMemberPath="comm_name" SelectedValueMemberPath="comm_name" DataMemberBinding="{Binding comm_name, Mode=TwoWay}" Header="Commodity" Width="235" />

 

 

 

<telerikPresentation:GridViewDataColumn x:Name="weight" LostFocus="weight_LostFocus" DataMemberBinding="{Binding weight, Mode=TwoWay}" Header="Weight" Width="95" />

 

 

 

<telerikPresentation:GridViewDataColumn x:Name="units" LostFocus="units_LostFocus_1" DataMemberBinding="{Binding bale_cnt, Mode=TwoWay}" Header="Units" Width="95" />

 

 

 

<telerikPresentation:GridViewDataColumn DataMemberBinding="{Binding sale_pt, Mode=TwoWay}" Header="Sale P/T" Width="95" DataFormatString="{}{0:C}"/>

 

 

 

<telerikPresentation:GridViewDataColumn DataMemberBinding="{Binding purc_pt, Mode=TwoWay}" Header="Pur. P/T" Width="95" DataFormatString="{}{0:C}" />

 

 

 

<telerikPresentation:GridViewDataColumn DataMemberBinding="{Binding sale, Mode=TwoWay}" Background="Yellow" IsReadOnly="True" Header="Sale Tot." DataFormatString="{}{0:C}" Width="95" />

 

 

 

<telerikPresentation:GridViewDataColumn DataMemberBinding="{Binding cost, Mode=TwoWay}" Background="Yellow" IsReadOnly="True" Header="Pur. Tot." DataFormatString="{}{0:C}" Width="95" />

 

 

 

</telerikPresentation:RadGridView.Columns>

 

 

 

</telerikPresentation:RadGridView>

 

GridView
Jon
Top achievements
Rank 1
 asked on 03 Mar 2010
2 answers
158 views
display image in columns
hi!!!


i need to display  images in a column of the datagrid in code behind.
the images are store in the dataset in byte() format

have i to deserialize the image or what can i do???


GridView
Oscar Zapata
Top achievements
Rank 1
 answered on 02 Mar 2010
1 answer
118 views
Performance issue
Hi,

I have a simple application that show grid to the user and according to the user selection i refresh the grid.

when i refresh the grid i do the following:
1) create a new list with the new items
2) grid.ItemsSource = newlist;

if the new list has more than 1000 objects the refresh takes several seconds.

How can i improve the refresh time of the grid ?

I also tried to work with ObservableCollection and update it instead of binding a new list, but it still took several seconds.

Thanks you,
Ofer
GridView
Vlad
Telerik team
 answered on 02 Mar 2010
1 answer
126 views
[Solved] How to disable GroupPanel in child grid
How can i disable the GroupPanel in a child grid of a hierarchical grid?

I tried:
myChildTableDefinition.SetValue(RadGridView.ShowGroupPanelProperty, false)
But this does not work.
GridView
Vlad
Telerik team
 answered on 02 Mar 2010
0 answers
174 views
GridViewComboBoxColumn - Set Focus and dropdown

 

 

Hi.. again...
I have GridViewComboColumn in a GridView. How can I programatically set focus the combox in the current row and open it?
I have button on a form that addes a new row... so I want to set focus to the combobox so the user can begin entereing.... thanks again

<telerikPresentation:GridViewComboBoxColumn DisplayMemberPath="comm_name" SelectedValueMemberPath="comm_name" DataMemberBinding="{Binding comm_name}" Header="Commodity" Width="175" />

 

 
GridView
Jon
Top achievements
Rank 1
 asked on 02 Mar 2010
2 answers
132 views
[Solved] Where is the click and double events?
Where do I find the double click.. ?

I want to click on the row.. get the SelectedItem and close the window.

thanks again
GridView
Jon
Top achievements
Rank 1
 answered on 02 Mar 2010
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