Questions on UI for WPF Forum

2 answers

149 views

Hi, I have just started with using your components and I am very impressed with them.
The scheduleview in particular matches and upcoming project well.

I have one question now.
I have added some in xaml and found this to be working for<Canvas x:Name="canvas" MouseDown="Canvas_MouseDown" MouseUp="Canvas_MouseUp" MouseMove="Canvas_MouseMove">
<telerik:RadScheduleView HorizontalAlignment="Left" Margin="12,12,0,0" Name="radScheduleView1" VerticalAlignment="Top" Height="469" Width="208" MouseRightButtonDown="rect1_MouseLeftButtonDown" NavigationHeaderVisibility="Collapsed" MinAppointmentHeight="100" VerticalScrollBarVisibility="Hidden" MinTimeRulerExtent="2800" MaxTimeRulerExtent="2800">

<telerik:RadScheduleView.ViewDefinitions>

<telerik:DayViewDefinition MinorTickLength="30min" MajorTickLength="1h"/>

</telerik:RadScheduleView.ViewDefinitions>

<telerik:RadScheduleView.RenderTransform>

</telerik:RadScheduleView.RenderTransform>

<telerik:RadScheduleView.DragDropBehavior>

<local:ScheduleViewDragDropBehavior/>

</telerik:RadScheduleView.DragDropBehavior>

</telerik:RadScheduleView>
</Canvas>

Besides normal config and drag'n drop I have added MouseRightButtonDown and RenderTransform as I am moving it arround on a canvas.

Now I would like to be able to add more schedulers at runtime and load them up with the same config. But I am having problem doing so.
Using this code I can create one
this.x = new Telerik.Windows.Controls.RadScheduleView(); this.x.Height = 469;
this.x.Width = 533;
this.x.CurrentDate = DateTime.Today;
var appointments3 = new ObservableCollection<Appointment>();
this.x.AppointmentsSource = appointments3;
RadScheduleViewCommands.SetDayViewMode.Execute(null, this.x);

canvas.Children.Add(

this.x);

I am using RadScheduleViewCommands to set dayview, but it is not working. So what I am doing wrong here?

Any help will be appreciated.

Secondly the bonus question.
Ideally I would like to instantiate new schedulers based on xaml template, I tried following a few example I could find on other web resources but non of them really worked well for me. Main problem here was that I could not set the drag'n drop behavior. But of cause that could be done after creating if needed.
If you happen to have any examples of this that would also be appreciated.

Best regards
Lasse

ScheduleView

answered on 24 Oct 2012

5 answers

571 views

Style problems with imported HTML

Hello,

I have noticed two separate issues when loading html documents into the WPF RadRichTextBox

The first issue is that loading a document with capitalized <STYLE> tags will not render at all, even if there are no styles specified.

The second issue is that the CSS style for "a:link, span.MsoHyperlink" that Microsoft Outlook adds to emails is being applied to the body tag of the resulting document. This causes all text within the RadRichTextBox to be underlined, not just hyperlinks.

I have created a sample application to reproduce these issues.

<Window x:Class="RadRichTextBoxTestApp.MainWindow"

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

Title="MainWindow" Height="350" Width="525"

xmlns:telerik="http://schemas.telerik.com/2008/xaml/presentation"

SizeToContent="WidthAndHeight">

<Window.Resources>

<Style TargetType="{x:Type telerik:RadRichTextBox}">

<Style.Setters>

<Setter Property="Height" Value="100" />

<Setter Property="Width" Value="300" />

</Style.Setters>

</Style>

</Window.Resources>

<Grid>

<Grid.RowDefinitions>

<RowDefinition Height="Auto"/>

</Grid.RowDefinitions>

<telerik:HtmlDataProvider RichTextBox="{Binding ElementName=box0}" Html="{Binding DocumentWithCapitalizedStyleTags}" />

<telerik:RadRichTextBox Grid.Row="0" x:Name="box0" Margin="10"/>

<telerik:HtmlDataProvider RichTextBox="{Binding ElementName=box1}" Html="{Binding DocumentWithLowerCaseStyleTags}" />

<telerik:RadRichTextBox Grid.Row="1" x:Name="box1" Margin="10"/>

<telerik:HtmlDataProvider RichTextBox="{Binding ElementName=box2}" Html="{Binding DocumentWithMsoHyperlinkStyles}" />

<telerik:RadRichTextBox Grid.Row="2" x:Name="box2" Margin="10"/>

<telerik:HtmlDataProvider RichTextBox="{Binding ElementName=box3}" Html="{Binding DocumentWithInlineHyperlinkStyles}" />

<telerik:RadRichTextBox Grid.Row="3" x:Name="box3" Margin="10"/>

</Grid>

</Window>

using System.Windows;

namespace RadRichTextBoxTestApp

{

/// <summary>

/// Interaction logic for MainWindow.xaml

/// </summary>

public partial class MainWindow : Window

{

public MainWindow()

{

DataContext = new MainWindowViewModel();

InitializeComponent();

}

public class MainWindowViewModel

{

public string DocumentWithCapitalizedStyleTags

{

get { return "<html><head><STYLE></STYLE></head><body>HELLO WORLD!</body></html>"; }

}

public string DocumentWithLowerCaseStyleTags

{

get { return DocumentWithCapitalizedStyleTags.Replace("<STYLE", "<style").Replace("</STYLE","</style"); }

}

public string DocumentWithMsoHyperlinkStyles

{

get

{

return

@"

<html><head><style>

a:link, span.MsoHyperlink

{mso-style-priority:99; color:blue; text-decoration:underline;}

</style></head><body>HELLO WORLD! <a href=""http://telerik.com"">Telerik</a></body></html>

";

}

public string DocumentWithInlineHyperlinkStyles

{

get { return DocumentWithMsoHyperlinkStyles.Replace(", span.MsoHyperlink", ""); }

}

RichTextBox

answered on 24 Oct 2012

1 answer

188 views

DataFormComboBoxField: ForeignKeyReferenceAlreadyHasValueException

Hello,

we currently have the following problem:

There is a table named ST_Classification and one named ST_Address, which have the following relationship:
ST_classification.PK_classification -> ST_Address.FK_classification

In a WPF-Application there is a DataFormComboBoxField which is populated with data from the ST_Classification table.
The moment the value is set to a new one an exception is thrown:
System.Data.Linq.ForeignKeyReferenceAlreadyHasValueException was unhandled by user code
Message=Operation is not valid due to the current state of the object.

This is code in the xxx.designer.cs where the exception is thrown:

[global::System.Data.Linq.Mapping.ColumnAttribute(Storage="_FK_classification", DbType="BigInt", UpdateCheck=UpdateCheck.Never)]

public System.Nullable<long> FK_classification

{

get

{

return this._FK_classification;

}

set

{

if ((this._FK_classification != value))

{

if (this._ST_classification.HasLoadedOrAssignedValue)

{

throw new System.Data.Linq.ForeignKeyReferenceAlreadyHasValueException();

}

this.OnFK_classificationChanging(value);

this.SendPropertyChanging(); // <--- Exception is thrown!

this._FK_classification = value;

this.SendPropertyChanged("FK_classification");

this.OnFK_classificationChanged();

}

This is the XAML-code for the DataFormComboBoxField:

<telerik:RadDataForm x:Name="RDF_ST_Addresse" ItemsSource="{Binding Items, ElementName=RG_ST_Partner}"

AutoGenerateFields="False"

EditEnding="RDF_ST_Addresse_EditEnding"

EditEnded="RDF_ST_Addresse_EditEnded"

DeletingItem="RDF_ST_Addresse_DeletingItem"

ValidatingItem="RDF_ST_Addresse_ValidatingItem"

AddingNewItem="RDF_ST_Addresse_AddingNewItem"

AddedNewItem="RDF_ST_Addresse_AddedNewItem" >

.

<telerik:DataFormComboBoxField DataMemberBinding="{Binding FK_classification, Mode=TwoWay}" Name="DFCMB_classification"

Label="Klassifikation" IsReadOnly="False"

SelectedValuePath="PK_classification"

DisplayMemberPath="classification" Initialized="DFCMB_classification_Initialized" />

Here is the codeBehind for DataFormComboBoxField:

private void DFCMB_classification_Initialized(object sender, EventArgs e)

{

((DataFormComboBoxField)sender).ItemsSource = from p in goDCAddach.ST_classifications orderby p.classification select p ;

}

Thanks for any help in advance.

Greetings
Gerrit

DataForm

answered on 24 Oct 2012

2 answers

230 views

Localization at runtime without reloading controls

Hello Telerik team,

i followed some of the topics in this forum regarding the localization of the radComponents. But i didn´t find a solution how to change the language at runtime without having to reload all components. Is there any solution how to achieve this ?
Thanks in advance

General Discussions

answered on 24 Oct 2012

5 answers

1.1K+ views

Set Document Width to A4

Hi,

Is there a way to set a document width to A4? or any standard paper width for that matter (A1, A2, A3, A4... etc).

Thanks,

Rob

RichTextBox

answered on 23 Oct 2012

2 answers

220 views

RadDataPager/RadGridView refresh

Trying to get a RadDataPager with a RadGridView to update the list of items when the underlying bound collection changes. I have RadDataPager.Source bound to a property in the viewmodel, and RadGridView bound to PagedSource of the pager. The collection doesn't actually implement any events for changing, so what I'm doing is replacing the value of the bound property with a new collection. I have verified it is a new instance, and that INotifyPropertyChanged is being raised. However the gridview isn't updating until I move to another page, and then move back. I'd expect the datapager to detect the underlying collection has changed, and instruct the gridview that the current page's contents have changed. It doesn't.

What might I be missing?

GridView

answered on 23 Oct 2012

1 answer

62 views

Permanent change in MainWindow from a child window with out creating an instance of MainWindow!

I have many windows. I want to change in the Mainwindow from a window (window3). Make a label visible in

MainWindow on a button click in window3.

I don't want to create an instance of MainWindow, because that doesn't keep changes in the parent Mainwindow.

How can I do it, kindly?

Thanks in advanced.

General Discussions

answered on 23 Oct 2012

1 answer

98 views

Deployment Problem

Hello,

I updated my project to Q3 yesterday. When I published it today (via ClickOnce) I got the following while installing:

Exception occurred loading manifest from file Telerik.Windows.Controls.Input.dll: the manifest may not be valid or the file could not be opened.

Are there any new dependencies in Q3? I just installed it and used update functionality in your VS extension.

Best Regards,
Peter Schmidt

General Discussions

answered on 23 Oct 2012

0 answers

154 views

How to bind EF DbContext EntityValidationErrors

How can we bind EF EntityValidationErrors so the corresponding grid cells shows the errors?

Ex: When DbContext.SaveChanges() throws a DbEntityValidationException with ValidationErrors:
The CustomerId field is required.
The Currency field is required.

GridView

asked on 23 Oct 2012

2 answers

746 views

Switch to wait cursor for slow behaviours

Hi!
there are several occasions that the controls do not behave instantly, depending also on the performance capabilities of the current machine and the complexity of the UI.

I see this for instance when expanding/collapsing rows in the RadTreeListView, or expanding/collapsing the RadExpander. Another example is when my user clicks on a grid row and the grid has to switch the display to the editing template of the corresponding column. The same when the user expands a pane in the RadDocking control.

By default these controls do not switch the cursor to the wait cursor, so if these operations take a second to complete, there is no indication that they even have started. So the user tends to click again and again, resulting in strange behavior depending on the occasion.

I'm interesting in just replacing the Arrow cursor with the WaitCursor and not something more complex like using the RadBusyIndicator.

Any solution?

General Discussions

answered on 23 Oct 2012