Questions on UI for WPF Forum

4 answers

416 views

In reviewing the post How do i make a label inside a gauge? it appears that the code sample may be for a previous version of the Gauge?

The sample does appear to sort of work by importing the

clr-namespace:Telerik.Windows.Controls.Gauges;assembly=Telerik.Windows.Controls.Gauge

namespace. However, the label location is always at the top left of the UserControl the RadRadialGauge is contained within.

Is there an updated sample that demonstrates how to use a custom label inside a gauge that will scale when the gauge is resized?

Thanks!

Gauges

answered on 25 Mar 2015

4 answers

235 views

How can all PropertyDefinition groups Collapse/Expand by XAML code or MVVM pattern ?

Hello,
How can all PropertyDefinition groups Collapse/Expand by XAML code or MVVM pattern ? I've tried IsExpanded property set to False but not work.

<telerik:RadPropertyGrid x:Name="propertyGrid1" AutoGenerateBindingPaths="False"

Grid.Column="2"

Item="{Binding}"

LabelColumnWidth="180"

AutoGeneratePropertyDefinitions="False" IsGrouped="True">

<telerik:RadPropertyGrid.PropertyDefinitions>

<telerik:PropertyDefinition Binding="{Binding bind}" OrderIndex="0" IsExpanded="False"

GroupName="Group1"

DisplayName="Enable"/>

<telerik:PropertyDefinition GroupName="Group1" OrderIndex="1"

DisplayName="DisplayName1"/>

<telerik:PropertyDefinition GroupName="Group2" OrderIndex="2"

DisplayName="DisplayName2"/>

<telerik:PropertyDefinition GroupName="Group3" OrderIndex="3"

DisplayName="DisplayName3" />

</telerik:RadPropertyGrid.PropertyDefinitions>

</telerik:RadPropertyGrid>

PropertyGrid

answered on 25 Mar 2015

5 answers

489 views

RadButton Visible only on Row Selection or Mouse Over

I have a RadButton located on a RadGridView in order to delete rows.

I would prefer not to have the button display on each row by default.

Instead, I would like the "Delete" button only be visible when the row has been selected or on row mouse over.

Is this possible?

Any assistance on this is Much Appreciated!

Buttons

answered on 25 Mar 2015

1 answer

323 views

Change color of a cell from code behind

I am using a WPF radgridview control to display some data. I am looking for a way to change the background color of a cell during runtime. I see how I can do it when I load data but how can I do it after the data is loaded? I have some code that gets executed after some input from the user and I need to change some cells background color based on the users input. Ex: Row 3 , cell 5.

GridView

answered on 25 Mar 2015

8 answers

323 views

dynamically adding usercontrols as a tileviewitem

i have wpf tileview.

i am binding list of usercontrols as a itemsource to tileview

like below
<radtileview itemsource="{binding viewelements,mode=twoway}"/>

here viewelement is just usercontrol.

and i am binding list of viewelements.

what features i have to enable for tileview to provide drag and drop feature.

please try to provide the solution asap.

TileView

answered on 25 Mar 2015

6 answers

236 views

RadGridView QueryableCollectionView fed by IQueryable Takes a long time to Hit Last Page

We have several paged grids that should hold many records. I am doing a test for a grid to hold our 2 million invoice records. At first I was bringing all of the records into memory using a .ToList() on the Linq query that feeds the grid. That was taking a long time and giving an "out of memory" exception. Then I read " If you provide IQueryable for QueryableCollectionView all operations will be executed directly on your data-base server using the query provider". Again, it is a business requirement that we use paging (page size of 8), so when I bring up the first page, it is fine, and if I page through the first 2 or 3 pages it seems to work pretty well. However, when I click the "Last Page" button, it takes almost 30 seconds (and I have even seen it time out several times). That seemed funny to me, so I wrote a SQL query that essentially does the same thing as going to the last page, and it took less than a second.

So, my first question is ... Can I get hold of the actual T-SQL that it is running on my database?

My 2nd question is ... Can I somehow optimize this query to run faster?

GridView

answered on 24 Mar 2015

2 answers

48 views

GetRootDocument from CustomAnnotationRange

Hello,

I use InsertAnnotationRange for add CustomAnnotationRange to my document and after want to get CustomAnnotationRange associated document from on of its methods. How can I do it?
I have some trouble with GetRootDocument method. It sometimes returns null. I tryed call editor.UpdateEditorLayout() but nothing has changed.

Thanks in advance.

RichTextBox

answered on 24 Mar 2015

3 answers

296 views

Path Property

I am setting the Path Property in my code. I have found that It is not accepting the value I set.

I picking up the values directly from the TreeView Control.

How can I validate the value before I set it?

private void onJobBreadcrumbCurrentItemChanged(object sender, Telerik.Windows.RadRoutedEventArgs e) {  this._radTreeView.BringPathIntoView(this.jobBreadcrumb.Path);  this._radTreeView.SelectedItem = this.jobBreadcrumb.CurrentItem; }  private void onJobTreeSelectionChanged(object sender, SelectionChangedEventArgs e) {  if (e.AddedItems.Count > 0 && this._radTreeView.ContainerFromItemRecursive(e.AddedItems[0]) != null) { var path = this._radTreeView.ContainerFromItemRecursive(e.AddedItems[0]).FullPath;  this.jobBreadcrumb.Path = path; } }

<telerik:RadBreadcrumb x:Name="jobBreadcrumb" HorizontalAlignment="Stretch" VerticalAlignment="Top" Grid.Row="0" CurrentItemChanged="onJobBreadcrumbCurrentItemChanged" IsTextModeEnabled="False" Header="{Binding CurrentBid.Text}" ImagePath="ImageSource" IsIconVisible="True"<br

>                                ItemContainerStyleSelector="{StaticResource JobTreeItemStyleSelector}"<

br> ItemsSource="{Binding CurrentBid.Scenarios}"> </telerik:RadBreadcrumb> <telerik:RadTreeView  x:Name="jobTreeView" ItemsSource="{Binding CurrentBid.Scenarios}" ItemTemplateSelector="{StaticResource JobTreeItemTemplateSelector}" IsDragDropEnabled="True" telerik:TextSearch.TextPath="Text" Grid.Row="1"> </telerik:RadTreeView> 

Assuming,

BreadCrumb

answered on 24 Mar 2015

3 answers

254 views

How can I make the GroupHeaderRow and/or the GroupFooterRow selectable?

I have created a simple grid that has group header rows following the Aggregates example.

<Style TargetType="telerik:GroupHeaderRow">

Setter Property="ShowGroupHeaderColumnAggregates" Value="True" />

Setter Property="ShowHeaderAggregates" Value="False" />

</

Style>

Now the issue I have is that I want my users to be able to select the cells in this grid and paste them into Excel. The issue is that I can select, copy and paste the regular data rows fine but I can't select the cells with the aggregate data. Is there a way to make the aggregate rows selectable?

GridView

answered on 24 Mar 2015

3 answers

406 views

How do I move the Column Footers to the top?

Right now I have the ShowColumnFooters option set to "True" on my RadGridView. It is showing totals for various columns as expected in a special row at the bottom. How do I move this row to the top of the grid just below the column headers row?

Thanks
Ryan

GridView

answered on 24 Mar 2015