Questions on UI for WPF Forum

6 answers

329 views

New button disabled and Cancel button (while editing) disabled

I am implementing a RadDataForm and even though the data binds, the New button is disabled and the Cancel button (while editing) is disabled also.

I have tried creating Templates (with AutoGenerateFields="False") but it did not make a difference.

DataForm

answered on 29 Aug 2011

1 answer

92 views

Rounding off axis range

Hi,

I have a list of objects that has MaxValue = 680334468, MinValue = -680334468, I need to set a custom range on my axis to show rounded off value. Right now my axis is shown like this,

http://dl.dropbox.com/u/23500975/Telerik/chartaxis.png

I have a step value of 27213378 (MaxValue / (half of objects list)). I tried to round off the axis as,

max = ceil( maxValue / 500000 ) * 500000
min = ceil( minValue / 500000 ) * 500000
step = 500000

I'm assuming the chart will render if the axis is bigger than the data, and it gives me this axis results as,

http://dl.dropbox.com/u/23500975/Telerik/chartaxis2.png

I would like to know how to round-off my cusotm axis range to properly visualize it. Please let me know any sample / code to do this.

-Fahad

Chart

answered on 29 Aug 2011

1 answer

109 views

Drag/Drop method not working anymore?

Since the last release (2011.2) the method for drop is not called anymore (drop=...).
In version 2010.3 it is working.

Are there any changes that needs to be done?

With kind regards,
Rob

        <telerik:RadTreeView Height="683" Margin="12,34,0,0" Name="ServicesTree" Width="342"

            Background="White"

            Foreground="Black"

            IsLineEnabled="True"

            AllowDrop="True"

            IsRootLinesEnabled="True" DragEnter="ServicesTree_DragEnter" Drop="ServicesTree_Drop"/>

TreeView

answered on 29 Aug 2011

1 answer

183 views

Does telerik WPF controls support XBAP?

Do telerik WPF controls support XBAP in medium trust mode? I found no info about it on telerik.com, neither XBAP online demos, only ClickOnce demos. However I've found some links in old forum threads leading to the XBAP demos (http://demos.telerik.com/wpf#Telerik.Windows.Examples.xbap for example), none of them working now.

General Discussions

answered on 29 Aug 2011

1 answer

112 views

Customizing autocomplete datasource?

I have a combobox displaying 3 separate fields from the data source (using data template)

I would like to have autocomplete search any of these fields as the user types.

Is there a way to customize the way autocomplete works or modify the source of data which it is searching through to get this to work?

For example I am displaying first name, last name, and id in the combo box

and I would like the user to be able to start typing the first name or the last name or the id and have autocomplete select hits from any of those fields as the user types.

ComboBox

answered on 29 Aug 2011

1 answer

69 views

Specify an exact number of visible time slots

I have a schedule view control that I have in timeline view, however, the slots are far too small to be of use. I have noticed that the scheduler control had a property you could set on the timeline view called 'numberofslots' This seemed to set the exact number of visible slots and they would grow to fill the space. Is there a property that would accomplish the same thing for the schedule view control?

ScheduleView

answered on 29 Aug 2011

2 answers

204 views

InvalidCastException

I have a grid that I have set the IsReadOnly to true. When I am in the grid on any cell, if I press the Enter key, I get the following error.

Unable to cast object of type 'System.Windows.Input.KeyEventArgs' to type 'FullyLoadedCostLibrary.BareDriveCosts'.

StackTrace:
   at Telerik.Windows.Data.FuncExtensions.<>c__DisplayClass1`2.<ToUntypedFunc>b__0(Object item) in c:\TB\102\WPF_Scrum\Release_WPF_40\Sources\Development\Core\Data\Extensions\FuncExtensions.cs:line 24
   at Telerik.Windows.Data.FunctionComparer.Compare(Object x, Object y) in c:\TB\102\WPF_Scrum\Release_WPF_40\Sources\Development\Core\Data\FunctionComparer.cs:line 34
   at System.Collections.Generic.ArraySortHelper`1.InternalBinarySearch(T[] array, Int32 index, Int32 length, T value, IComparer`1 comparer)
   at System.Collections.Generic.ArraySortHelper`1.BinarySearch(T[] array, Int32 index, Int32 length, T value, IComparer`1 comparer)

I'm using version 2011.2.712.40 WPF

My grid is defined

        <telerik1:RadGridView Name="bareDriveCostsListRadGridView"
               DataContext="{StaticResource bareDriveCostsListViewModelModelViewSource}" 
			   ItemsSource="{Binding ValidatesOnDataErrors=True, NotifyOnValidationError=True, ValidatesOnExceptions=True, NotifyOnTargetUpdated=True, NotifyOnSourceUpdated=True}" AutoGenerateColumns="False" CanUserDeleteRows="False"
               AutoExpandGroups="True" DataLoaded="bareDriveCostsListRadGridView_DataLoaded" SelectionUnit="Cell"
               IsReadOnly="{Binding Source={StaticResource bareDriveCostsListViewModelViewSource}, Path=CanEdit, Converter={StaticResource NotConverter}}">

I have some columns defined like this

<telerik1:GridViewMaskedTextBoxColumn Name="HistoryColumn4" DataFormatString="{}{0:n}"  MaskType="Numeric" Mask="n"  Header="{Binding Path=HistoryName4}" Background="LightGray" DataMemberBinding="{Binding Path=History4.Cost}" IsReadOnly="True" TextAlignment="Right"  IsFilterable="False" IsSortable="False" />

and some like this

                <telerik1:GridViewMaskedTextBoxColumn Name="BareDriveCostColumn" Header="Bare Drive Cost" DataMemberBinding="{Binding Path=Cost}" DataFormatString="{}{0:n}" TextAlignment="Right" MaskType="Numeric" Mask="n"  IsFilterable="False" IsSortable="False" >
                    <telerik1:GridViewMaskedTextBoxColumn.CellTemplate>
                        <DataTemplate>
                            <Grid MouseRightButtonDown="Cell_MouseRightButtonDown" DataContext="{Binding}"
                                  ToolTip="{DynamicResource toolTipTemplate}">
                                <TextBlock Text="{Binding Cost}"/>
                                <Border VerticalAlignment="Top" Width="5" Height="5" HorizontalAlignment="Right" Background="Red" Visibility="{Binding Comments,Converter={StaticResource MyConverter}}"/>
                            </Grid>
                        </DataTemplate>
                    </telerik1:GridViewMaskedTextBoxColumn.CellTemplate>                                    
                </telerik1:GridViewMaskedTextBoxColumn>

it errors on any of them.

GridView

answered on 26 Aug 2011

1 answer

211 views

Calculated Column refresh

All,

I have a calculated column in my grid. It works pretty fine but once I change one of the correspondig fields (Qt1...Qty18) the Total column doesn't update automatically. Is it supposed to calculate only once upon loading the grid or can I somehow accomplish to calculate on the fly once a depended column changes?

Thanks,
Lars

...
<telerik:GridViewExpressionColumn
                        Header="Total"
                        UniqueName="Total"
                        DataFormatString="{}{0:#,##0}"
                        />
...

In the constructor of the code behind I have the following lines:

    Expression<Func<ForecastInputItemViewModel, double>> expression = prod => prod.Qty1 + prod.Qty2 + prod.Qty3 + prod.Qty4 + prod.Qty5 + prod.Qty6 + prod.Qty7 + prod.Qty8 + prod.Qty9 + prod.Qty10 + prod.Qty11 + prod.Qty12 + prod.Qty13 + prod.Qty14 + prod.Qty15 + prod.Qty16 + prod.Qty17 + prod.Qty18;
            GridViewExpressionColumn column = ForecastGrid.Columns["Total"] as GridViewExpressionColumn;
            column.Expression = expression;

GridView

answered on 26 Aug 2011

1 answer

90 views

RightToLeft problem With docking

Hi Support

I have problem with RadDock when I change Flowdirection to RightToLeft, it doesn't work correctly while Drag and drop. any idea how to fix it? (I Use 2011.Q2 version)

All the best
Mehri

P.S. here is my xaml Code:

<telerik:RadDocking FlowDirection="RightToLeft" >
            <telerik:RadSplitContainer telerik:DockingPanel.InitialSize="200,600" InitialPosition="DockedTop">
                <telerik:RadPaneGroup TabStripPlacement="Top" >
                            <telerik:RadPane Header="Pane 1" />
                            <telerik:RadPane Header="Pane 2" />
                </telerik:RadPaneGroup>

</telerik:RadSplitContainer>
</telerik:RadDocking>

Docking

answered on 26 Aug 2011

1 answer

313 views

Simulate user delete row action programmatically

Hi,
a have a RadGridView with a bound ObservableCollection datacontext.
When the user selects a row and pushes the Delete key, the row disappears and the Deleted event is fired.
I have a menu item as well which allows to delete the selected row programmatically,
but when I call mygrid.Items.Remove(myselectedrow.DataContext) the row disappears, but the Deleted event is not triggered.
How can I get the grid to fire the Deleted event when removing a row programmatically as well?

Is it something like

mygrid.RaiseEvent(new RoutedEventArgs(RadGridViewEvents.DeleteRow, my_row));

?
Thank you,
Bye

GridView

answered on 26 Aug 2011