Questions on UI for WPF Forum

1 answer

80 views

Hi,

We're just implementing Telerik controls in our WPF (PRISM) application and having some problems with the DataFilter control.
We have a radgrid and can bind the control to the grid and filter without any problems. However, the requirement is display 3 filterable fields when the screen loads and for only 3 fields out of a possible 8 of the grid view.

So we're trying to go down the FilterDescriptions route and define our 3 filters programatically

                var companyFilter = new FilterDescriptor("Receiver Company", FilterOperator.Contains, "", true);

radDataFilter.FilterDescriptors.Add(companyFilter);

var addressFilter = new FilterDescriptor("Address Line 1", FilterOperator.Contains, "", true);

radDataFilter.FilterDescriptors.Add(addressFilter);

//// DateTime filter.

var dateFilter = new FilterDescriptor("Created Date", FilterOperator.IsGreaterThan,

new DateTime(2007, 5, 1));

radDataFilter.FilterDescriptors.Add(dateFilter);

However when we do this it throws an error saying the source isn't IEnumerable. The source in this instance is defined in the XAML as the radgrid, which has loaded an IList<Receiver> object, which last time I checked was IEnumerable.

Even if I set the Datasource programatically to a List<Receiver> still get the same error.

I'm not sure where to turn and thinking maybe Data annotations are an option.

Any views?

Thanks.

DataFilter

answered on 17 Mar 2011

3 answers

341 views

Radcombo box selected index?

Hello Telerik Team,
I have one clarification in my latest WPF project.Here I am having one radcombo box.Its contains 3 values.

<telerik:RadComboBox HorizontalAlignment="Left" SelectedIndex="{Binding xx}" Margin="114,207,0,0" Name="radComboBox2" VerticalAlignment="Top" Width="205">

<telerik:RadComboBoxItem Content="Item 1" />

<telerik:RadComboBoxItem Content="Item 2" />

<telerik:RadComboBoxItem Content="Item 3" />

</telerik:RadComboBox>

When window loading time i want to display item3 in radcombobox.After window loading client can change the value and storing into database.
So i am binding into selectedindex in XAML.
codebehind sample

public partial class MainWindow : Window

{

public MainWindow()

{

InitializeComponent();

this.radComboBox2.SelectedIndex = 2;

}

But it display empty Combobox?
why?
pls give me any suggestions

ComboBox

answered on 17 Mar 2011

2 answers

67 views

Parser: tweak the century

When entering a date in the RadDatePicker, where the century is not specified (e.g. 6/20/76), is there a way to instruct the parser to deliver 1976 instead of 2076, short of reimplementing it?
Even if SelectableDateEnd and DisplayDateEnd are set to DateTime.Now, the parser still selects the future date.

Alternatively, is there a way to call your builtin parser (which works like a charm except for this small issue) from a custom Parse... event handler in order to tweak its result a bit?

Thanks
Phil

DatePicker

answered on 17 Mar 2011

19 answers

178 views

localized component?

Hi!

I'm currently using the GridView component. But I see that the text above(Drag a column header and drop it here to group by that column) doesn't seems to change depending of the current localisation.

I've to do a fully multilanguage interface, how can I change this text?

Thank you :)

General Discussions

answered on 17 Mar 2011

2 answers

278 views

change the flow direction of a specific column

Hello,

I have a RadGridView control with flow direction set from right to left.
Inside the grid I have a MaskedTextBoxColumn that is used to display and edit a DateTime object.

I want to have only this column with flow direction from left to right so the date is displayed to the left of the time.
I don't see FlowDirection Property on this column or on any other column.
If I'm setting the FrameworkElement.FlowDirection property it is being ignored.

Is it possible?

Thanks,
Evgeny

GridView

answered on 17 Mar 2011

7 answers

174 views

Sort not working in new version

We have installed the new version of the GridView and some bug/issues occurs.

1. If setting the items source before columns created (throw code), the list wont display the cell content (rows are empty)...
(We fix this issus will setting the itemssource after...)

2. the sort is not woking... (wont change the result) (this is not fixed for us..)

Version working : 2010.3.1110.35
Not working : 2010.3.1314.40

We have put back the old version and its working..

Any clues...

GridView

answered on 17 Mar 2011

3 answers

70 views

Any ItemSourceControl for WPF RadGridView?

I trying to bind a "weakly-typed" data list into RadGridView, I considered IList<>, ObservableCollection<> but I think they not suit my scenario because I need to define type of element in those collections.

I found RadDataPager later but I do not need paging feature.

I wonder whether WPF RadGridView can bind to something like "DataTable" like in WinForm, but I asking it for WPF in case there is any ready component in Telerik WPF.

Anyway this is my scenario, single RadGridView is use and ready to receive data collection which may consist of different data type.

Please advise, thanks

GridView

answered on 17 Mar 2011

11 answers

612 views

Calculated columns

Hello all,

I am new to WPF and RadControls and I am trying to use the RadGridView right now (reauirements of a new customer).

I bound my RadGridView to a simple collection of object. Displaying properties of objects works like a charm.
Anyway, I wasn't able to find how to create a calculated column based on on or several properties of the objetcs in the bound collection!

I searched the forum, the documentation and found nothing (even for the classic MS DataGrid)!

Is there any known working solution to create calculated data columns?
(be aware that it will not be possible for me to add the calclated field directly in the objects of the collection)

Thank you,
Best regards,

Daniel

GridView

answered on 16 Mar 2011

2 answers

156 views

GridView Issue with Horizontal ScrollBar

Hi there,

If im using 100% the Width of the Grid <telerik:GridViewDataColumn Header="FirstName" Width="*" /> and wrapping with the scroll bar. Why the column goes out of the frame horizontally. but if i takeout the scroll bar everything seems perfect. And I want the scroll bar to be there.

Example:
<ScrollViewer BorderBrush="Transparent" BorderThickness="0" HorizontalScrollBarVisibility="Auto" >
   <telerik:RadGridView Grid.Row="1" ScrollMode="Deferred"    ShowGroupPanel="False" AutoGenerateColumns="False">
                    <telerik:RadGridView.Columns>
                        <telerik:GridViewDataColumn Header="First Name" Width="200" />
                        <telerik:GridViewDataColumn Header="Last Name" Width="*" />
                        <telerik:GridViewDataColumn Header="Title" Width="200" />
                    </telerik:RadGridView.Columns>
                </telerik:RadGridView>
            </Grid>
</ScrollViewer>

GridView

answered on 16 Mar 2011

3 answers

181 views

PieChart - Reverse Slice Direction

Hi there,

Currently the Rad Pie Chart (seems) to start at the 3 o'clock position, and draws each slice in a counter-clockwise direction.

Is it possible to change the direction to clockwise?

Is it possible to start at the 12 o'clock position?

Some background: We are displaying data in our application, and representing it in a Telerik Rad PieChart, and then exporting the data to Microsoft Excel 2010 via OpenXml, and creating a pie chart in Excel. Because Excel starts drawing its pie chart at the 12 o'clock position (which can be changed by adjusting the angle of the first slice), and draws the slices clockwise, it looks different than the Telerik Rad PieChart in our application, which isn't a very good user experience. So, we're hoping we can change the direction that the Telerik Rad PieChart draws its pie slices, and where it starts drawing its first slice.

Thanks!

Chart

answered on 16 Mar 2011