Questions on UI for WPF Forum

1 answer

124 views

[Solved] TextChanged event in GridViewCell

Hello,
how can i catch TextChanged event in GridViewCell?

Thank you

Masha

GridView

answered on 21 Jan 2010

9 answers

188 views

Extra colomn

Hi,
I am having some problems with the datagrid and extra empty columns, see attachments.

I'm creating the datagrid in codebehind, via

    
            datagrid.ItemsSource = gridDataSet.Tables[0].DefaultView;

And there is an extra empty column that appears, is there any way to make it disappear ?

best regards
krissi.

GridView

answered on 21 Jan 2010

2 answers

260 views

[Solved] Rad Pane Header Visibility

Hi there,

I am trying to hide the Header on a RadPane. However I dont see anything pertaining to the visibility of the header or tab. Is there a way to accomplish this? I have attached an image called radpaneheader to better illustrate what I mean.

Regards

Greg

Docking

answered on 20 Jan 2010

2 answers

489 views

RadDatePicker: how can we change the culture on-the-fly?

From the example code, we see that we can change the culture in Xaml

<telerikInput:RadDatePicker x:Name="datePicker" HorizontalAlignment="Left" Margin="10" Width="200" Culture="en-US" />
we can change Culture as any language in the drop down list such as chinese:

<telerikInput:RadDatePicker x:Name="datePicker" HorizontalAlignment="Left" Margin="10" Width="200" Culture="Chinese (People's Republic of China)" />

We need to change the culture on-the-fly. Can we do it on the Xaml?
If not, we have to do it through code-behind.
How do we get the list of culture list as above string?
thx!
Jane

DatePicker

answered on 20 Jan 2010

1 answer

113 views

RadGridView and Web Service

Hello I have an application xbap and when I try to call a web service to fill my RadGRidView with the result of method call my web service sends me a security exception (and not as a pass or get my fill radgridviewl, if someone the same way you and I could help!.
greetings

GridView

answered on 20 Jan 2010

4 answers

276 views

RadDatePicker: Can RadDatePicker show the Calendar?

Is there a way the RadDatePicker show the Calendar all the time?
So we do not need to use toggle button to show calendar.
thx!
Jane

DatePicker

answered on 20 Jan 2010

1 answer

190 views

Error with Vista Theme

Hello

In the new release (2009.3.1314.35) setting the default theme to Vista

                    StyleManager.ApplicationTheme = new VistaTheme();         

I am getting the following error when the window loads.

                    System.NullReferenceException was unhandled by user code         
              Message="Object reference not set to an instance of an object."         
              Source="PresentationFramework"         
              StackTrace:         
                   at System.Windows.StyleHelper.UpdateTables(PropertyValue& propertyValue, FrugalStructList`1& childRecordFromChildIndex, FrugalStructList`1& triggerSourceRecordFromChildIndex, FrugalStructList`1& resourceDependents, HybridDictionary& dataTriggerRecordFromBinding, HybridDictionary childIndexFromChildName, Boolean& hasInstanceValues)         
                   at System.Windows.StyleHelper.ProcessTemplateContent(FrameworkTemplate frameworkTemplate, FrugalStructList`1& childRecordFromChildIndex, FrugalStructList`1& triggerSourceRecordFromChildIndex, FrugalStructList`1& resourceDependents, ItemStructList`1& eventDependents, HybridDictionary& dataTriggerRecordFromBinding, HybridDictionary childIndexFromChildID, Boolean& hasInstanceValues)         
                   at System.Windows.StyleHelper.SealTemplate(FrameworkTemplate frameworkTemplate, Boolean& isSealed, FrameworkElementFactory templateRoot, TriggerCollection triggers, ResourceDictionary resources, HybridDictionary childIndexFromChildID, FrugalStructList`1& childRecordFromChildIndex, FrugalStructList`1& triggerSourceRecordFromChildIndex, FrugalStructList`1& containerDependents, FrugalStructList`1& resourceDependents, ItemStructList`1& eventDependents, HybridDictionary& triggerActions, HybridDictionary& dataTriggerRecordFromBinding, Boolean& hasInstanceValues, EventHandlersStore& eventHandlersStore)         
                   at System.Windows.FrameworkTemplate.Seal()         
                   at System.Windows.StyleHelper.SealIfSealable(Object value)         
                   at System.Windows.ResourceDictionary.RealizeDeferContent(Object key, Object& value, Boolean& canCache)         
                   at System.Windows.ResourceDictionary.GetValueWithoutLock(Object key, Boolean& canCache)         
                   at System.Windows.ResourceDictionary.GetValue(Object key, Boolean& canCache)         
                   at System.Windows.DeferredThemeResourceReference.GetValue(BaseValueSourceInternal valueSource)         
                   at System.Windows.DependencyPropertyChangedEventArgs.get_NewValue()         
                   at Telerik.Windows.Controls.RadTabControl.OnLeftTemplateChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e) in c:\Builds\WPF_Scrum\Release_WPF\Sources\Development\Controls\Navigation\TabControl\RadTabControl.cs:line 2371         
                   at System.Windows.DependencyObject.OnPropertyChanged(DependencyPropertyChangedEventArgs e)         
                   at System.Windows.FrameworkElement.OnPropertyChanged(DependencyPropertyChangedEventArgs e)         
                   at System.Windows.DependencyObject.NotifyPropertyChange(DependencyPropertyChangedEventArgs args)         
                   at System.Windows.DependencyObject.UpdateEffectiveValue(EntryIndex entryIndex, DependencyProperty dp, PropertyMetadata metadata, EffectiveValueEntry oldEntry, EffectiveValueEntry& newEntry, Boolean coerceWithDeferredReference, OperationType operationType)         
                   at System.Windows.DependencyObject.InvalidateProperty(DependencyProperty dp)         
                   at System.Windows.StyleHelper.InvalidateContainerDependents(DependencyObject container, FrugalStructList`1& exclusionContainerDependents, FrugalStructList`1& oldContainerDependents, FrugalStructList`1& newContainerDependents)         
                   at System.Windows.StyleHelper.DoThemeStyleInvalidations(FrameworkElement fe, FrameworkContentElement fce, Style oldThemeStyle, Style newThemeStyle, Style style)         
                   at System.Windows.StyleHelper.UpdateThemeStyleCache(FrameworkElement fe, FrameworkContentElement fce, Style oldThemeStyle, Style newThemeStyle, Style& themeStyleCache)         
                   at System.Windows.FrameworkElement.OnThemeStyleChanged(DependencyObject d, Object oldValue, Object newValue)         
                   at System.Windows.StyleHelper.GetThemeStyle(FrameworkElement fe, FrameworkContentElement fce)         
                   at System.Windows.FrameworkElement.UpdateThemeStyleProperty()         
                   at System.Windows.DependencyObject.OnPropertyChanged(DependencyPropertyChangedEventArgs e)         
                   at System.Windows.FrameworkElement.OnPropertyChanged(DependencyPropertyChangedEventArgs e)         
                   at System.Windows.DependencyObject.NotifyPropertyChange(DependencyPropertyChangedEventArgs args)         
                   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 System.Windows.FrameworkElement.set_DefaultStyleKey(Object value)         
                   at Telerik.Windows.Controls.RadTabControl.SetDefaultStyleKey() in c:\Builds\WPF_Scrum\Release_WPF\Sources\Development\Controls\Navigation\TabControl\RadTabControl.cs:line 1336         
                   at Telerik.Windows.Controls.RadTabControl.OnInitialized(EventArgs e) in c:\Builds\WPF_Scrum\Release_WPF\Sources\Development\Controls\Navigation\TabControl\RadTabControl.cs:line 1346         
                   at System.Windows.Markup.BamlRecordReader.ElementEndInit(Object& element)         
              InnerException:          
                     

All the other themes are working properly, only the Vista theme is not working.

I can supply the xaml taht I'm using if necessary, but I'm not doing any styling at all, just taking the stylemanager's theme.

Joshua

TabControl

answered on 20 Jan 2010

1 answer

106 views

Height Issue with TileView

Hi
I am using TileView Control. Everything is working fine with one issue that TileView control doesnot display anything without Height property, i have to define height static even when Height="Auto" still doesnot display anything I doesnot want static height, It should be auto How?

TreeView

answered on 20 Jan 2010

5 answers

115 views

[Solved] Insert focus is not in the fisrt column

What can be the problem when I´m trying to insert a new item and the insert focus is never in the first column?

GridView

answered on 20 Jan 2010

1 answer

130 views

[Solved] Drag RadTreeViewItem without make it selected

Hi to all,
i just would like to drag a RadTreeViewItem on a different component without make it selected.
Right now i have tried different ways without success...

I have implemented the PreviewMouseLeftButtonDown handler when the item is prepared, so when the user just press down the mouse i store the treeviewitem and put the e.Handled = true just to leave it unselected. When the event PreviewMouseLeftButtonUp is fired i will get the stored element and make it selected (so no drag operation...just a normal click on the element).

The big problem is that the

    
            e.PreparedItem.PreviewMouseLeftButtonDown += new MouseButtonEventHandler(PreparedItem_PreviewMouseLeftButtonDown);

is sent different times..the first time the source is the "root" element of the RadTreeView the second time the first child of the root element and so on. I think it is not correct to fire so many events if i mouse down only on one RadTreeViewItem...i aspect to have directly on the first event the right treeviewitem on the source!

Do you have any idea how to implement this scenario?

Really Thanks.
Diego Bonura

TreeView

answered on 20 Jan 2010