Re: reference issue - WPF Discussion Boards

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Re: Set the Text property of a TextBox

Jeremy Hutchinson12-Nov-09 5:03

Jeremy Hutchinson

12-Nov-09 5:03

Are you setting the text property of TextBox1, or are you updating property to which the Text property of TextBox1 is bound?

If you are updating a property the problem is likely that you need to raise an OnPropertyChanged event for that property. You'll have to implement INotifyPropertyChange...

Re: Set the Text property of a TextBox

soup12-Nov-09 5:37

soup

12-Nov-09 5:37

Hi,

I am using binding a fair bit, but in this particular case, this textbox is not bound to anything. I am merely doing the following:

myTextBox.Text = "some text";

I am getting some bizarre feeling that WPF is preventing the visual change based on some form of focus or caret permission type thing, but I can't be convinced of this.

It's an odd one at the moment.

How to find Duplicate record using silverlight web service

Sundeep Ganiga11-Nov-09 3:34

Sundeep Ganiga

11-Nov-09 3:34

Dear all,
I have a maintenance database table(having ColA(primary) and ColB(varchar)) being records inserted using asynchronous web service.Before inserting a new record into table on save button click event,i have to check uniqueness of record.So, When i send query request to check with given record Webservice completed event is raised after the save button click event.So, I am not able to check the uniqueness using asynchronous web services.Please help me in finding a solution for this.

regards,
Sundeep G

Invoke WPF window from VBA

AksharRoop11-Nov-09 2:50

AksharRoop

11-Nov-09 2:50

I am altering my existing application developed using MS Access + VBA. I have created new window (wpf) which handles some tasks. I want this window to be loaded on button click from old MS Access application.

Is it possible to do this?

Sorry if posted at wrong forum.

reference issue

Tauseef A10-Nov-09 19:45

Tauseef A

10-Nov-09 19:45

hi guys i am using vs 2008 sp1 and i have installes silver light controls tool kit
but when i run sample solution it says gives an error stating

" type expander exsist both in control.dll and toolkit.control.dll ?
why ?

Tauseef A Khan
MCP Dotnet framework 2.0.

Re: reference issue

Mark Salsbery11-Nov-09 9:58

Mark Salsbery

11-Nov-09 9:58

Do you have two toolkit versions installed?

The current namespace and assembly for the Expander control is

xmlns:stk="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.Toolkit"

I would uninstall any Silverlight Dev Tools and toolkit versions
and reinstall the latest versions:

Microsoft® Silverlight™ 3 Tools for Visual Studio 2008 SP1[^]
Silverlight Toolkit[^]

Mark Salsbery
Microsoft MVP - Visual C++
Java | [Coffee]

Re: reference issue

Tauseef A11-Nov-09 10:39

Tauseef A

11-Nov-09 10:39

no i just have silver light 3 tools and silver light control tool kit july 2009.
and another issue i get an error while compiling

the managed debugger package for silver light is not installed
why ?

Tauseef A Khan
MCP Dotnet framework 2.0.

Re: reference issue

Mark Salsbery11-Nov-09 10:48

Mark Salsbery

11-Nov-09 10:48

I'm pretty sure my recommendation will fix both your issues.

When Silverlight 3 was released, I uninstalled Silverlight,
the silverlight VS tools, and the toolkit. Then I downloaded and
installed (in order) everything on the Get Started Building Silverlight 3 Applications[^]
page. Except for some namespace shuffling (they keep changing stuff for WPF
compatibility and when controls get migrated from the toolkit to the
framework) everything works correctly.

The toolkit is essentially beta, so I highly recommend keeping
up the latest version. They are fixing stuff every few months.
July is not the newest.

Mark Salsbery
Microsoft MVP - Visual C++
Java | [Coffee]

Session variable in Silverlight

Nekkantidivya10-Nov-09 0:23

Nekkantidivya

10-Nov-09 0:23

Hi,

I am working on a silverlight application. In this I need to access session variables in silverlight application.For this I created a WCF service to get the session variable. For this I used the following code:

In service

[ServiceContract(Namespace = "")][AspNetCompatibilityRequirements(RequirementsMode = AspNetCompatibilityRequirementsMode.Allowed)]

UserId = int.Parse(System.Web.HttpContext.Current.Session["LoginUserID"].ToString());

In web.config file:
<serviceHostingEnvironment aspNetCompatibilityEnabled="true">

but I am getting the following error:

System.Reflection.TargetInvocationException: An exception occurred during the operation, making the result invalid. Check InnerException for exception details. ---> System.ServiceModel.CommunicationException: The remote server returned an error: NotFound. ---> System.Net.WebException: The remote server returned an error: NotFound. ---> System.Net.WebException: The remote server returned an error: NotFound.

If any one have any idea to solve this or directly access the session variable in silverlight application please reply me.

Thanks in advance.

Error when calling WCF service in silverlight application.

Nekkantidivya9-Nov-09 21:39

Nekkantidivya

9-Nov-09 21:39

Hi,

I am getting an exception while calling a WCF service in silver lght application.This exception is as below.

Exception:

An exception occurred during the operation, making the result invalid. Check InnerException for exception details. ---> System.InvalidOperationException: The underlying channel factory could not be created because no binding information was found in the configuration file for endpoint with name '*'. Please check the endpoint configuration section with name '*' to ensure that binding information is present and correct.

If anyone have idea to solve this please reply me.

Thanks in advance.

Re: Error when calling WCF service in silverlight application.

Michael Eber28-Dec-09 12:43

Michael Eber

28-Dec-09 12:43

First idea is this: follow the suggestion of the exception and verify your binding information. You have to have a basicHTTPBinding in order to use WCF with Silverlight. Try Googling "Using WCF with Silverlight 3.0" and you will discover a wealth of information.

How to use WCF service in silver light application

Nekkantidivya9-Nov-09 21:33

Nekkantidivya

9-Nov-09 21:33

Hi,

I am working on a silverlight application. In this I developed a WCF service in this silverlight application itself. Now I want to use this in a silverlight page or form.

If anyone have any idea to on using a WCF application in silverlight application please reply me.

Thanks in advance.

Re: How to use WCF service in silver light application

Mark Salsbery10-Nov-09 7:10

Mark Salsbery

10-Nov-09 7:10

Nekkantidivya wrote:
If anyone have any idea to on using a WCF application in silverlight application please reply me.

Maybe you could actually reply to peoples replies instead of
asking the same question over and over.

I asked before: Are the endpoints configured properly on both ends?

From your posts, I'm thinking no.

Mark Salsbery
Microsoft MVP - Visual C++
Java | [Coffee]

Re: How to use WCF service in silver light application

Michael Eber28-Dec-09 12:41

Michael Eber

28-Dec-09 12:41

In addition to properly defined endpoints, you can only connect using basicHTTPBinding not wsHTTPBinding

How to Bind the Image to DataGrid Control from DataBase in WPF With C#

ChandrakanthGaddam9-Nov-09 20:20

ChandrakanthGaddam

9-Nov-09 20:20

Hi,

This is from Chandrakanth. Working on WPF Project.

My Problem is "HOW TO BIND THE IMAGE TO DATA GRID CONTROL FROM

DATABASE"

Actually i am getting data from DataBase to DataSet . I have to bind that Image to DataGrid Column. That Column Name is ImageDes.

Can any one tell me how to do that.

Thanks and Regards
Chandrakanth

Re: How to Bind the Image to DataGrid Control from DataBase in WPF With C#

Mark Salsbery10-Nov-09 6:16

Mark Salsbery

10-Nov-09 6:16

What form is the image data in?

Without seeing a sample of the data class used as the DataGrid data
and what your DataGrid column definition looks like, it's difficult to
give a precise example...

Can you post a simple example of the XAML and the data class?

Mark Salsbery
Microsoft MVP - Visual C++
Java | [Coffee]

DataGridTextColumn Content?

Sundeep Ganiga9-Nov-09 19:09

Sundeep Ganiga

9-Nov-09 19:09

Dear all,

I have datagrid control being data bind from database using webservice in which there are two columns called ColA and ColB.
ColA is HyperlinkButton(DataGridTemplateColumn) and ColB is DataGridTextColumn. There is Click event for HyperlinkButton(ColA),in which I am trying get the content of both Column values(ColA and ColB).It is able to read ColA but not ColB from Code.Can anyone help me regarding this.

Regards,
Sundeep G

Re: DataGridTextColumn Content?

Mark Salsbery10-Nov-09 7:12

Mark Salsbery

10-Nov-09 7:12

Sundeep Ganiga wrote:
.It is able to read ColA but not ColB from Code.

How are you doing this?

Mark Salsbery
Microsoft MVP - Visual C++
Java | [Coffee]

Re: DataGridTextColumn Content?

Sundeep Ganiga11-Nov-09 3:41

Sundeep Ganiga

11-Nov-09 3:41

In hyperlink click event,I can get that ColA value

Private Sub hllnkbtn_Click(ByVal sender As System.Object, ByVal e As System.Windows.RoutedEventArgs)
    txtColA.Text = CType(e.OriginalSource, HyperlinkButton).Content
    'txtColB.Text = CType(e.OriginalSource, DatagridTextColumn).Content 'This cannot be done here    
End Sub

Another Question,If You know the solution please respond..

http://www.codeproject.com/Messages/3268368/How-to-find-Duplicate-record-using-silverlight-web.aspx

Re: DataGridTextColumn Content?

Mark Salsbery11-Nov-09 9:43

Mark Salsbery

11-Nov-09 9:43

Can you use the Datagrid.SelectItem property to
get the data for the entire row?

Mark Salsbery
Microsoft MVP - Visual C++
Java | [Coffee]

Message Removed

9-Nov-09 6:22

N_tro_P

9-Nov-09 6:22

Message Removed

9-Nov-09 8:49

N_tro_P

9-Nov-09 8:49

Message Removed

Re: MVVM and using WPF Toolkit charting

Jeremy Hutchinson12-Nov-09 5:05

Jeremy Hutchinson

12-Nov-09 5:05

You'll need to bind the SelectedItem to a property on your view model. You should then be able to set the property from the code. Don't forget to notify property change

Want to measure the drawing / rending time of WPF usercontrols

netsrak219-Nov-09 3:05

netsrak21

9-Nov-09 3:05

Hi together,

for a benchmark (WinForm - WPF) I want to measure the drawing time of an thrid party control (for WinForm and WPF available). Under WinForm I created a test project, derived the thrid party control and override the OnPaint and OnPaintBackground Method to measure the runtime. I just started programming in WPF, so I do not now who I can do this measureing under WPF. Does somebody have an idea?

thanks in anticipation
netsrak

Error in WCF service in Silverlight application

Nekkantidivya8-Nov-09 22:35

Nekkantidivya

8-Nov-09 22:35

Hi,

I am working on a Silver light application. In this I used WCF service. While using this service I am getting the below exceptions.

class: System.ServiceModel.CommunicationException.

Message: The remote server returned an error: NotFound.

It is saying like some error in the web config file that is no binding information is provided for the endpoint with name '*' in the config file.

If anyone have any ides to solve this please reply me.

Thanks in advance.

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