Re: How to link silverlight application created using Blend in asp.net using vs2008? - WPF Discussion Boards

Re: Brain hits wall - WPF Help Please

Paul Conrad21-Jun-08 4:05

Paul Conrad

21-Jun-08 4:05

R A Roldan wrote:
Josh, you're the man

Yep. May I recommend you read all of his WPF articles with time permitting Big Grin | :-D

Plenty of good to learn from him.

"The clue train passed his station without stopping." - John Simmons / outlaw programmer

"Real programmers just throw a bunch of 1s and 0s at the computer to see what sticks" - Pete O'Hanlon

WPF Navigation

BlitzPackage18-Jun-08 8:44

BlitzPackage

18-Jun-08 8:44

Good people,

I have a window that is laid out using a grid. The main part of the user interaction will take place in column 1, row 0. In order for the user to submit or get information, I basically have to load and remove items (e.g. a flowdocumentviewer, another grid containing a border, list box, and other child elements, etc...) into column 1, row 0 of the grid. The loading and unloading will be, of course, menu driven by the user.

My question is, how do I load those elements into the grid at the desired location, then discard them when I am finished? Also how do I make sure that they're not using up memory but have been deleted or discarded? If they are not in view; I don't need them.

I will need to do this programmatically in C#.

A final tangential question; how would you recommend I create these elements? I am using MS Expression Blend and normally I would create something in column1, row 0. However, since I need to create multiple elements to fully occupy that space, I am wondering if I should do it as a control?

Any thoughts you have would be greatly appreciated.

Thanks in advance.

BP

Re: WPF Navigation

Pete O'Hanlon18-Jun-08 8:52

Pete O'Hanlon

18-Jun-08 8:52

Definitely do it as a ContentControl - it will save you so much time in the long run. Secondly, you can set the position of something in your code using Grid.SetRow and Grid.SetColumn in a UIElement.

Deja View - the feeling that you've seen this post before.

My blog | My articles

Re: WPF Navigation

BlitzPackage18-Jun-08 9:00

BlitzPackage

18-Jun-08 9:00

Thanks. How do I create and delete it?

Re: WPF Navigation

Pete O'Hanlon18-Jun-08 9:11

Pete O'Hanlon

18-Jun-08 9:11

Off the top of my head (so I apologise now if it's not 100% accurate as I haven't got Visual Studio open right now):

using (StreamReader reader = new StreamReader("myControl.xaml"))
{
  DependencyObject root = XamlReader.Load(reader.BaseStream) as DependencyObject;
  if (root != null)
  {
    ContentControl cont = FindName("display") as ContentControl;
    cont.Content = root;
  }
}

If you create the display page as a Frame, then you can load into this without any trouble. For instance:

<Window... usual Xaml declarations ..>
  <Grid x:Name="myGrid">
    <Grid.RowDefinitions>
      <RowDefinition />
    </Grid.RowDefinitions>
    <Grid.ColDefinitions>
      <ColDefinition />
      <ColDefinition />
    </Grid.ColDefinitions>
    <Frame Grid.Row="0" Grid.Column="1" x:Name="display" />
  </Grid>
</Window>

Deja View - the feeling that you've seen this post before.

My blog | My articles

Re: WPF Navigation

BlitzPackage19-Jun-08 11:59

BlitzPackage

19-Jun-08 11:59

Thanks. I appreciate your help.

How to link silverlight application created using Blend in asp.net using vs2008?

katelva17-Jun-08 8:04

katelva

17-Jun-08 8:04

Hi,

I have created login and registration silverlight application using blend June Preview 2008. I would like to ask how to I link this two application in asp.net using visual studio 2008.
For example, I create an asp.net website and I would like to add the login and registration silverlight apllication in this website.When I click on the navigation link which created using asp.net such as login button, then the page will show the login silverlight application and it same to the registration as well.

Hence, how can I do for that??

Thanks.

Regards.
Katelva

Re: How to link silverlight application created using Blend in asp.net using vs2008?

Michael Sync17-Jun-08 17:10

Michael Sync

17-Jun-08 17:10

Hello Katelva,

Actually, you can have login and registration in single Silverlight application. You can use them as the controls in Silverlight.

What you should do is that.

1) Go to VS 2008.
2) Create Silverlight Application with Web project (not with the generated Html)
3) Add one Silverlight control and name it as "LoginControl"
4) Add another Silverlight control and name it as "RegistrationControl"
5) Right-click on one of those XAML files and select "Open in Expression Blend" (then, you can customize the XAML as you like in Blend and save it and close the blend. )
6) Create the navigation in Page.xaml.
7) Run the application. (ASP.NET and Silverlight will be linked automatically and Silverlight control will be shown on aspx page. )

Hope it helps.

Thanks and Regards,
Michael Sync ( Blog: http://michaelsync.net)

Re: How to link silverlight application created using Blend in asp.net using vs2008?

katelva18-Jun-08 18:22

katelva

18-Jun-08 18:22

Hi Michael,

It means created the silverlight application which hosts in asp.net,am I right?

Actually, I would like to do is create Asp.net website(navigation), then when I click on the link it will appear the Login form in the asp.net webform which mean the design is using css and asp.net but the content such as registration form, login form...etc is using silverlight.

Can I do this way?

Thanks.

Regards,
Katelva

Re: How to link silverlight application created using Blend in asp.net using vs2008?

Michael Sync20-Jun-08 2:03

Michael Sync

20-Jun-08 2:03

katelva wrote:
It means created the silverlight application which hosts in asp.net,am I right?

Yes.

katelva wrote:
Actually, I would like to do is create Asp.net website(navigation), then when I click on the link it will appear the Login form in the asp.net webform which mean the design is using css and asp.net but the content such as registration form, login form...etc is using silverlight.

In my opinion, you should consider two things. Do you want to use Silverlight partially with ASP.NET or do you want to create full Silverlight application (e.g. Hard Rock Cafe, etc)?

I will use Silverlight partially if I want to host Silverlight Game, Video/Audio Players, Silverlight Advertisements.

I will use Full Silverlight Application if I want to develop RIA application.

In your case, I would like to suggest you full-silverlight application instead of using silverlight partially.

Thanks and Regards,
Michael Sync ( Blog: http://michaelsync.net)

Re: How to link silverlight application created using Blend in asp.net using vs2008?

katelva24-Jun-08 8:34

katelva

24-Jun-08 8:34

Thanks for your suggestion.

But I would like to know whether there was any difficulty connecting the data with the MySQL database or not? Actually, I am creating a store website and the client can order the products online. Because Silverlight is new Microsoft product,hence, I am not sure whether have any issue with the database connection or not?

Regards,
Katelva

Re: How to link silverlight application created using Blend in asp.net using vs2008?

Michael Sync24-Jun-08 14:52

Michael Sync

24-Jun-08 14:52

Hi Katelva,

Silverlight is a client-side technology which runs on the user's browser. so, you can't connect with any database directly from Silverlight. but you can create the service (i.e: ASMX webservice, WCF, ADO.NET Data Service, Java or Webservice that follows WS Basic-Profile 1.1 ) and you can connect with that web service.

there are a few samples how to do CRUD (Create, Retrieve, Update, Delete) operation in Silverlight in my blog. you may want to read them.

Thanks and Regards,
Michael Sync ( Blog: http://michaelsync.net)

Multiple ItemTemplates in a ListBox

dlarkin7716-Jun-08 1:35

dlarkin77

16-Jun-08 1:35

Hi,

I'm relatively new to WPF and am still trying to get my head around certain aspects so if this is a stupid question please accept my apologies in advance.

I have a listbox that is bound to a list of custom objects.
Based on the value of a property in each object I want the listbox item to be displayed differently

The data binding is working fine and the item template that I am using works fine, my problem is in changing the item template based on a property value.

Trivial example:

Assume I have a class Person with two properties : Male and Female

If Male == true I want the listbox item to be rendered as a grid with three rows and 2 columns
If Female == true I want the listbox to be rendered as a grid with a single row

Is this possible?

Thanks very much,

dlarkin77

Re: Multiple ItemTemplates in a ListBox

Christian Graus16-Jun-08 2:18

Christian Graus

16-Jun-08 2:18

We do something like this by having a base listboxitem class, then having derived classes which have styles, and which we use to add items. We mix styles within the listbox tho, sounds like you want to have one or the other. I am asking something similar below, and a Property Trigger is what was suggested for me.

Christian Graus

Please read this if you don't understand the answer I've given you

"also I don't think "TranslateOneToTwoBillion OneHundredAndFortySevenMillion FourHundredAndEightyThreeThousand SixHundredAndFortySeven()" is a very good choice for a function name" - SpacixOne ( offering help to someone who really needed it ) ( spaces added for the benefit of people running at < 1280x1024 )

Re: Multiple ItemTemplates in a ListBox

Gideon Engelberth16-Jun-08 7:37

Gideon Engelberth

16-Jun-08 7:37

I would start by looking at using triggers in the style of the data template given to the ItemTemplate property. On a hunch, the style will probably not do quite what you need since it sounds more like you are using two different data templates. In that case, I would look at the ItemTemplateSelector property, which takes a DataTemplateSelector (documentation on MSDN).

Re: Multiple ItemTemplates in a ListBox

dlarkin7717-Jun-08 0:25

dlarkin77

17-Jun-08 0:25

Thanks for the advice. I'll look into both of those.

Re: Multiple ItemTemplates in a ListBox

dlarkin7717-Jun-08 2:46

dlarkin77

17-Jun-08 2:46

Hi,

Using a DataTemplateSelector solved my problem.

Thanks very much,

dlarkin77

[WPF]why Image not support Animation ?

KornZhang15-Jun-08 23:23

KornZhang

15-Jun-08 23:23

[WPF]why Image not support Animation ?

MessageBox.Show(item.HasAnimatedProperties.ToString());//false
it return false , How to move it from a Point to another Point ?

thanks !

Re: [WPF]why Image not support Animation ?

Christian Graus16-Jun-08 2:18

Christian Graus

16-Jun-08 2:18

Put it in a stackview or grid.

Dynamically set properties

Christian Graus15-Jun-08 9:57

Christian Graus

15-Jun-08 9:57

I have a slider and I want to change the bitmap used for the slider control, and the size of the slider, based on a boolean property.

So within a style for the slider, I want to change ' Slider_Thumb' in the following:

<Track Name="PART_Track">

<Track.Thumb>

<Thumb x:Name="Thumb" Style="{StaticResource Slider_Thumb}"/>

</Track.Thumb>

</Track>

and the height in this line:

<Setter Property="Height" Value="16" />

How do I go about doing that ?

Re: Dynamically set properties

Pete O'Hanlon15-Jun-08 10:50

Pete O'Hanlon

15-Jun-08 10:50

Christian - take a look at this[^] article from Sacha and Marlon. They have restyled the slider control (about 3 quarters of the way down).

Deja View - the feeling that you've seen this post before.

My blog | My articles

Re: Dynamically set properties

Christian Graus15-Jun-08 11:16

Christian Graus

15-Jun-08 11:16

thanks - but i think they are just styling it. I've done that. I want to change the style I use, in code, based on a property

Re: Dynamically set properties

Insincere Dave15-Jun-08 12:20

Insincere Dave

15-Jun-08 12:20

Where does the boolean property come from?
If it is one of the Sliders or Thumbs properties a Trigger will work. See the ControlTemplate example for slider, it uses a Trigger to change the color of the thumb on mouse over and change the size of the slider based on its orientation.
If the property is from elsewhere a DataTrigger might work but you would probably have to alter your resources a bit.

Re: Dynamically set properties

Christian Graus15-Jun-08 12:58

Christian Graus

15-Jun-08 12:58

Looks promising - thanks.

Horizontal TreeListView [modified]

Olivier Baillard13-Jun-08 4:43

Olivier Baillard

13-Jun-08 4:43

Hi,

I am new in WPF and would like some advices of you guys if something is possible to do in WPF.

For our application, we want to show a list of objects - List - in a ListView. Until now nothing difficult. But each object A contains several properties which are in turns others objects (object B, object C, ...).

So we think it could be good idea to combine a Treeview with a ListView. Because we need a "classification tree" look, the TreeViewItem need to be showned horizontally - not vertically like in a normal tree. This too is not difficult to do with WPF. The difficulty is to know which columns is to be showned in the ListView when a node of the tree is opened or collapsed.

So our idea here would be to adapt the templace of the ListView header so that each nodes/leafs of the tree correspond to one column header of the ListView. Do you means this would be possible to do in WPF.

The alternativ would be to use a horizontal TreeView and a seperate ListView and to adapt the column of the Listview when the user open/close a tree node. Which I don't know how to do actually in WPF.

May be somebody can give me some advices?

Thanks,
Olivier

modified on Friday, June 13, 2008 11:13 AM

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