Questions on UI for WPF Forum

5 answers

87 views

Hello

We generate GridViewDataColumn columns in run time

We give cell template and cell edit template

When the cell goes out from edit mode it throws

Null reference exception in TryConvertValueFromEditor at GriveViewCell Class

Dll version 2013.2.611.45

If I don’t give cell edit template this not happened.

Any ideas why this happens?

Best Regards

Ehud

GridView

answered on 11 Jul 2013

3 answers

179 views

BarSeries on DateTimeContinousAxys

Hi,

Is possible to set manually the columns width?
Look this example, all columns is overlappeds!

<telerik:RadCartesianChart>

<telerik:RadCartesianChart.HorizontalAxis>

<telerik:DateTimeContinuousAxis MaximumTicks="5" PlotMode="OnTicksPadded"/>

</telerik:RadCartesianChart.HorizontalAxis>

<telerik:RadCartesianChart.VerticalAxis>

<telerik:LinearAxis/>

</telerik:RadCartesianChart.VerticalAxis>

<telerik:BarSeries Name="mS">

</telerik:BarSeries>

<telerik:RadCartesianChart.Behaviors>

<telerik:ChartPanAndZoomBehavior/>

</telerik:RadCartesianChart.Behaviors>

</telerik:RadCartesianChart>

public MainWindow()

{

InitializeComponent();

for (int i = 0; i < 100;i++ )

mS.DataPoints.Add(new Telerik.Charting.CategoricalDataPoint() { Category = System.DateTime.Today.AddDays(i), Value = 5 });

}

Chart

answered on 11 Jul 2013

1 answer

399 views

Getting a FormatString threw an exception

I've placed a masked numeric input control onto a user control we're working on. When I run the app I get the following error:

System.Windows.Markup.XamlParseException occurred
HResult=-2146233087
Message='Set property 'Telerik.Windows.Controls.RadMaskedInputBase.FormatString' threw an exception.' Line number '291' and line position '48'.
Source=PresentationFramework
LineNumber=291
LinePosition=48
StackTrace:
       at System.Windows.Markup.WpfXamlLoader.Load(XamlReader xamlReader, IXamlObjectWriterFactory writerFactory, Boolean skipJournaledProperties, Object rootObject, XamlObjectWriterSettings settings, Uri baseUri)
InnerException: System.FormatException
       HResult=-2146233033
       Message=Format specifier was invalid.

I'm sure I've done something wrong, but am not sure what. Here's what the XAML looks like right now:

<telerik:RadMaskedNumericInput x:Name="txtClientNumber" FormatString="D6" MinWidth="80" Margin="3,0"

VerticalContentAlignment="Center" FontSize="15"

Value="{Binding ClientNumber, UpdateSourceTrigger=PropertyChanged}" Mask="#6" />

What we're trying to do is have the user enter a 6 digit integer value. The data type is an int (in C#), and SQL Server data type is also an int. So, what's the error of my ways?

MaskedInput (Numeric, DateTime, Text, Currency)

answered on 11 Jul 2013

3 answers

117 views

GanttView grid and child tasks with different column headers

Hi,

Is it possible to have child tasks display in the grid on the GanttView with different columns/headers than the parent task, whilst still displaying normally on the time line portion of the control?

thanks

GanttView

answered on 11 Jul 2013

3 answers

443 views

AutocompleteBox dropdown template with grouping

Hi,

I have binded a collection of my custom objects which can be grouped according to one of its properties to the itemssource, i want to display the suggestion dropdown list as group in DropDownItemTemplate (as attached image can show)

1) Display a group title followed by the members belong to that group
2) Group title is not selectable
3) highlight a text that typed in the search box

Any help or direction is much appreciated!

thanks
wsw

AutoCompleteBox

answered on 11 Jul 2013

1 answer

119 views

Selection and Zoom interaction

Hi,

I ask if is possible to obtain this scenario:

1) A ChartPanAndZoomBehavior with zoom bar enabled and zoom mouse drag rectangle disabled
2) Allow mouse drag rectangle for points selection

Thank's
marc.

Chart

answered on 11 Jul 2013

1 answer

269 views

Drag Drop from Explorer

Hi. Trying to figure out the best way to have a RadListBox which supports internal reordering, and dragging in from an external source (files from Explorer). I'm a bit confused by the available parts: ListBoxDragDropBehavior, DragDropManager, DataConverter and the various events directly on RadListBox.

What SHOULD I do?

ListBox

answered on 10 Jul 2013

3 answers

70 views

DataFilter With Arabic or Persian Values

Hi,

I have a RadDaraFilter that has been bounded to a RadDataGrid.
The columns of table are (Name, LName, Tel) in SQL, So, the radDatafilter has been shown ("Name, LName, Tel").

How I could change the field of radDataFilter from "Name" to "Person's Name" or from "LName" to "Last Name", Please?
Thanks

DataFilter

answered on 10 Jul 2013

3 answers

154 views

how to enable context menu by default to all controls ?

Hi There,

I have the following two requirements:

1. Wanted to add help as a menu item to RadContextMenu item this will be a default menu item, i wanted to do it using a style/controltemplate.

2. wanted to enable Radcontextmenu by default so help will display on all controls when ever user right clicks on any control.

can you please tell me how i can do this?

Thanks in advance.

Regards,
Srinivas.

ContextMenu

answered on 10 Jul 2013

2 answers

114 views

Carousel set first item as items[0] and rewind when no more left

Hi.
I have 7 items in my carouselPanel. It begins to 'carouse' in the middle, so the first item is items[4].
How can i change that, it will always scroll from right to left, with first item, and do something like:
[] -> [] -> [] -> [] -> [] - last item, rewind and again

Regards

Carousel

answered on 10 Jul 2013