eggheadcafe.com Silverlight / WPF Unanswered Messageboard Postshttp://www.eggheadcafe.comThu, 06 Jun 2013 07:14:38 GMTEggHeadCafe - The .NET developer's portal of choiceen-us<![CDATA[tool ceation same as photoshop...]]>read more]]>Tue, 04 Jun 2013 01:33:16 GMT<![CDATA[udp streaming audio to silverlight or wpf]]>


I need an example how to stream audio from server to Silverlight or wpf application using UDP protocol.







Regards  read more]]>Mon, 03 Jun 2013 10:06:13 GMT<![CDATA[How I can calculate two Columns in wpf datagrid i.e cQty * cRate = TotalAmount]]>

How to calculate two columns in a WPF-datagrid's columns.
i.e   Qty*Rate=TotalAmount


I have three columns colQty, colRate and ColTotal, so I want to calculate colQty * colRate in colTotal. How is it possible.


thanks in advance.  read more]]>Tue, 07 May 2013 08:57:31 GMT<![CDATA[Changing Border/Background color while binding the record WPF,MVVM]]>Hi all,
i am using MVVM architecture in WPF application, right now its working fine as when i made some changes in the Costcenter cell onlostfocus the bordercolor or background color will get change, like wise the color should get changed while its binding itself when the data is populated in the gris itshould be highlighted. How can i do that any idea? My working code is below.since im very new to this getting struck.

<Style x:Key="costCenterStyle" TargetType="{x:Type igDataPresenter:CellValuePresenter}" BasedOn="{StaticResource isEditableStyle}" >
          <Style.Triggers>
            <DataTrigger Binding="{Binding Path=DataItem.IsChanged[CostCenter]}" Value="Changed">
              <Setter Property="Background" Value="LightSalmon"/>
            </DataTrigger>
            <DataTrigger Binding="{Binding Path=DataItem.IsChanged[CostCenter]}" Value="ChangedButNotCommited">
              <Setter Property="BorderThickness" Value="2"/>
              <Setter Property="BorderBrush" Value="LightSalmon"/>
            </DataTrigger>
          </Style.Triggers>
        </Style>

 <igDataPresenter:Field Name="CostCenter" Label="Cost Center">
              <igDataPresenter:Field.Settings>
                <igDataPresenter:FieldSettings
                  CellValuePresenterStyle="{StaticResource costCenterStyle}"/>
              </igDataPresenter:Field.Settings>
            </igDataPresenter:Field>

Thanks
Kannabiran B

  read more]]>Wed, 24 Apr 2013 03:15:35 GMT<![CDATA[How do i add up data columns to get a running Sum in a Dataset to show total on input frm]]> I have all the following column names in the coding area behind  in a Class but dont know how to code and calculate a total to show on my input form

H1SCColumn
H2SCColumn
H3SCColumn
H4SCColumn
H5SCColumn

Thanks David
  read more]]>Sun, 10 Mar 2013 15:46:21 GMT<![CDATA[How to do live streaming a tv channel in my website using silverlight & c# 4.0?]]>I am going to create a website in asp.net 4.0 using sliverlight,live streaming server. In which I need to display a TV channel live video streaming. How can I make it?

Like: http://www.ndtv.com/video/live/channel/ndtv24x7
http://ibnlive.in.com/

i don't know how to start, how to get sdk or any thing to show the tv channels in my website? where to get permission for showing this tv channel and their encoders and all.

i have read several articles about silverlight ,live streaming server.they have just told about encoder,protocols and all.but they didn't say how to use in our site and that channel in our site?

could anyone please provide appropriate solution for my problem?
Your suggestion and solutions are welcome. Please response me as soon as possible.
please guide me friends  read more]]>Thu, 28 Mar 2013 23:01:12 GMT<![CDATA[what is the xamEditor to display % symbol in a infragistics datagrid?]]>
Iam using a infragistics datagrid to display a set of values. i use xamCurrency editor to display cost, so that the $ symbol gets appended automatically. Similarly which editor should i use to display % symbol?

Please help..  read more]]>Thu, 28 Mar 2013 23:01:12 GMT<![CDATA[how to get ChildRowDetail templated data grid]]>read more]]>Thu, 28 Mar 2013 23:01:12 GMT<![CDATA[Find Control inside stackpanel and hyperlink button inside datagrid control]]>hi..

i need to Find Control values inside stackpanel and hyperlink button inside datagrid control in silverlight application.

i need to achive this by clicking a button which out side of a datagrid.

how to achieve this..

need ur suggestions..

regards
gopal.s  read more]]>Thu, 28 Mar 2013 23:01:13 GMT<![CDATA[How to use Localization in silverlight web app.]]>hi..

i want to know How to use Localization in silverlight web applicatio?

that is if a user is in USA then our text will be displayed in English.
if the user is in japan then our text will be displayed in Japanese language.

is it possible?

need ur suggestions with examples..

regards
gopal.s  read more]]>Thu, 28 Mar 2013 23:01:16 GMT<![CDATA[Https and http Image URL Not loading in silverlight]]>
i have a silverlight web application.
in that application i am trying to load in https and http image url in 2 image control.

now in my local system the http enabled image url is loading but the https image url is not loading.


when i hosted the application in https enabled site, it displays the https enabled image url but not displaying the http enabled imageurl


how to handle this issue. i want to display both http and https image url's in my local system as well after hosting the application.


my client access policy :

<?xml version="1.0" encoding="utf-8"?>
<access-policy>
  <cross-domain-access>
    <policy>
      <allow-from http-request-headers="Content-Type">
        <domain uri="http://*" />
        <domain uri="https://*" />


       
      </allow-from>
      <grant-to>
        <resource include-subpaths="true" path="/">
        </resource>
      </grant-to>
    </policy>
  </cross-domain-access>
</access-policy>



my cross domain policy:
<?xml version="1.0"?>
<!DOCTYPE cross-domain-policy SYSTEM "http://www.macromedia.com/xml/dtds/cross-domain-policy.dtd">
<cross-domain-policy>
  <allow-access-from domain="*" />
</cross-domain-policy>

my http and https imahe url's are:

https://www.gravatar.com/avatar/205e460b479e2e5b48aec07710c08d50.jpg
http://i594.photobucket.com/albums/tt25/nguyenk3_photo/rose.png


so how to hanlde this issue.

need ur suggestions with examples..

regards
gopal.s
  read more]]>Thu, 28 Mar 2013 23:01:18 GMT<![CDATA[http video url is not working in mediaplayer in https enabled SL site]]>hi..

i configured my Silverlight we application site in https.

now i just passing mp4 url into my video player as a source.(url is in http) but it shows the media player but nothing is happened
(for example my sample mp4 url is look like http://www.dotnetobject.com/expage.php?exurl=http://www.example.com/1.mp4).


but it is not playing.

note:
in my local system the same url is working fine.

is it be a cross domain issue?

my cross domain file info is below

<?xml version="[/align]1.0"?>
<!DOCTYPE cross-domain-policy SYSTEM "http://www.macromedia.com/xml/dtds/cross-domain-policy.dtd">
<cross-domain-policy>
<allow-http-request-headers-from domain="*" headers="*"/>
</cross-domain-policy>



how to handle this..

need ur suggetsions..

regards
gopal.s  read more]]>Thu, 28 Mar 2013 23:01:18 GMT<![CDATA[Hi All Problem of selectall in textboxes solved please see code used]]>

The problem getting selectall for focus in textboxes the following converted from c+ works perfect.
 Just thought I would let you know
Thanks for any help.

Protected Overrides Sub OnStartup(ByVal e As StartupEventArgs)

EventManager.RegisterClassHandler(

GetType(TextBox), UIElement.GotFocusEvent, New RoutedEventHandler(AddressOf SelectAllText), True)

MyBase.OnStartup(e)

End Sub

Private Shared Sub SelectAllText(ByVal sender As Object, ByVal e As RoutedEventArgs)

Dim textBox = TryCast(e.OriginalSource, TextBox)

If textBox IsNot Nothing Then

textBox.SelectAll()

End If

End Sub

 

 

 

 

End

 

Class

David

  read more]]>Thu, 28 Mar 2013 23:01:18 GMT<![CDATA[Access outlook folders in popup window!]]> I have a button named choose folder when we click at this button then
we have to open outlook folders in popup window.
So how we access outlook folders.  read more]]>Thu, 28 Mar 2013 23:01:18 GMT<![CDATA[How to use MediaStreamSource in media element control in silverlight]]>hi..

i am using media element control in order to load videos.



after hosting the silverlight applcation the video i opened is got struck in every 10 seconds.

i m having large size videos(size is 400 to 500mb) then i m trying to play those size videos after hosting.



i searched abt media element control and there is property called "MediaStreamSource" in meida element control



so if use the "MediaStreamSource" property then is it possible to avoid the vidoe buffering issue?

is it possible to use "MediaStreamSource" in media element control

need ur suggestions with examples..

Note:

my videos extensions are mp4,mp3 and wmv files

regards

gopal.s  read more]]>Thu, 28 Mar 2013 23:01:19 GMT<![CDATA[Passing Video as streams in media element control]]>hi..

how to pass streams inside media element control in silverlight?

i m facing an issue if the large size videos are taking too time to load.

currently i set video file source in media element control.

so in order to achieve fast video can i pass stream of video file into the media elelment contro?
is it possible?

need ur suggestions..

regards
gopal.s  read more]]>Thu, 28 Mar 2013 23:01:19 GMT<![CDATA[Bind texbox data in datagrid on button click in WPF]]>I have text box and a button
After button click we have to show that data in my datagrid in WPF.   read more]]>Thu, 28 Mar 2013 23:01:19 GMT<![CDATA[Large Size Videos taking more time to load in mediaelement control]]>hi..

in my silverlight web application Large Size Videos taking more time to load in mediaelement control?

i verified my dowload speed too and it has upto 4mbps.

now i want to know why the video is loading very slow(it takes app. 15 to 20 minutes to load)

need ur suggestions..

Note:
i m playing a mp4 file and size is 300 to 500m mb files

regards
gopal.s  read more]]>Thu, 28 Mar 2013 23:01:19 GMT<![CDATA[Focus on textbox contents with greater than "0" in the box]]>  Still trying to find a solution none of the code samples will copy into xaml.vb and work so I was wondering if its possible to do it another way.

txtbox1.selectedText=0
txtbox2.selectedText=0
The above textboxes have contents focus when entering into if "0" is the cell content
but if any number higher the focus contents is lost and cursor goes to left of contents
Is there anyway of changing the above

Many many Thanks I have been stuck for ages and tried all suggestions but none have worked for me.

David  read more]]>Thu, 28 Mar 2013 23:01:19 GMT<![CDATA[How to Logout silverlight application with basic authentication(MVVM A]]>

I m working on a silverlight application and i have a problem when i run it on browser
i log-in by giving my username, password for windows(Basic Authentication), but when i close the tab and open it again
it does not ask for password, can anybody give the solution, how to log-out from the application in such case.

I am using WCF service and MVVM Architecture.

Great regards in advance.

Cheers,
Sobiya  read more]]>Thu, 28 Mar 2013 23:01:20 GMT<![CDATA[Is it possible to use WCF service for raduplod in silverlight applica?]]>WCF service for raduplod in silverlight application?
         hi to all ,can we use wcf service for radupload for upload images into database.here i want to use radupload  in silverlight with wcf service,before insert  into database i check file name is already in db or not .if available i want to rename the currently upload file using some popup window and then it insert into database.
pls reply me asap .,,, thanx in advance  read more]]>Thu, 28 Mar 2013 23:01:20 GMT<![CDATA[Can I add Select All Text to Focus for edit in a textbox after enter is pressed]]>

Hi All I have been stuck with this problem and dont know how to deal with it, I have had code suggested but none of it works in my Xaml Sart up or Xaml vb page.
What do { { }}  brackets mean in the code suggested because it just gets highlighted. 

Can I add to this code below to have the contents Focussed when entering into it.

Protected Overrides Sub OnPreviewKeyDown(ByVal e As System.Windows.Input.KeyEventArgs)

If (e.Key = Key.Enter) Then

Dim ue As FrameworkElement

ue = e.OriginalSource

e.Handled =

True

ue.MoveFocus(

New TraversalRequest(FocusNavigationDirection.Next))

End If

 

End Sub

  read more]]>Thu, 28 Mar 2013 23:01:21 GMT<![CDATA[How to perfrom Transaction Roll Back in Silverlight Entity Model]]>

 

Hi ,

    We are creating a Accounting SoftWare using MVVM pattern and EF.  At one point When we try to save a record to a table, we will also call stored procedure to update other tables. When one of the Operation fails then we do not want to update the other tables. So we want to do Transction Roll Back, when any of the Save operation Fails. In other type of projects , we can use Transaction Scope, But , silverlight is not allowing us to add the System.Transaction dll. How to accomplish this in Silverlight project?

Kindly help us to solve this issue.

Rds,

Parameswari

 

 

  read more]]>Thu, 28 Mar 2013 23:01:21 GMT<![CDATA[Video in media element control got struck every 10 seconds in SL web after hosting]]>hi..

we placed a video in a folder. then pointed the video in mediaelement control in silverlight web application.

now the issue is the video is playing but it got struch in every 10 seconds after hosting.

(my video size will vary for each video for ex. 1 Mb to 500MB)

locally,the same video working well in the same application.

but after hosting i am facing this issue.

how to handle this..

i am using silverlight web app. and wcf service.

need ur suggestions with examples..

regards

gopal.s  read more]]>Thu, 28 Mar 2013 23:01:21 GMT<![CDATA[Add muliple users from a csv file to database table in silverlight]]>hi..

i am having a csv file which contains my outlook contacts.

now i want to add those users into my database table using silverlight web application.

how to achieve this..
need ur suggestions with examples...

regards
gopal.s  read more]]>Thu, 28 Mar 2013 23:01:22 GMT<![CDATA[how do i code this for use in Xaml startup overide to get textbox contents focus]]>  Where should this code go and is it the right format .
I just keep going round in circles.

protected override void OnStartup(StartupEventArgs e)
{
    EventManager.RegisterClassHandler(typeof(TextBox), TextBox.GotFocusEvent, new RoutedEventHandler(TextBox_GotFocus));

    base.OnStartup(e);
}

Thanks
  David
  read more]]>Thu, 28 Mar 2013 23:01:22 GMT<![CDATA[How to clear the values in Radgrdiview filter items]]>

                             I have an issues in rad grid view filtering.I have a value item in grid view and values item has some values so when i am filtering the grid view values it is binding the data to chart and display the value in chart that working fine.
  
                        so my problems is the rad grid filter value for each item i am binding to chart should be clear.that is every time i am selecting the value from grid and binding to chart the previous value should be cleared.

                            I used Filter Descriptor ,I some article i have gone through about i filter descriptor to clear the values.

I am using Silverlight 5 version.Can any one give the solution.



Thank you,............

  read more]]>Thu, 28 Mar 2013 23:01:22 GMT<![CDATA[I need to control create dynamically based on a condition]]>scroll viewer when a button is clicked.Can any one help me how to sort out this....! If the count is 4 I have to show 4 image controls in scroll viewer and the image size is 100*100.This is an urgent Requirement.
Any help is appreciated. Thanks in advance.................  read more]]>Thu, 28 Mar 2013 23:01:22 GMT<![CDATA[Still cant get focus on txtboxes without double click when in xaml forms]]>
How can the code below be changed to have focus when entering into any of 18 textboxes on my input form

  

<TextBox Name="txtH1SC"  TabIndex="1" AcceptsTab="False" Text="{Binding Path=H1SC, UpdateSourceTrigger=PropertyChanged}" AcceptsReturn="False" ForceCursor="False" OverridesDefaultStyle="False" Focusable="True" AutoWordSelection="False" IsTabStop="True" />

 

 

  read more]]>Thu, 28 Mar 2013 23:01:23 GMT<![CDATA[Why cant I set txtbox contents focus when pressing enter and moving into new txtbox]]> Double click on mouse it goes into edit mode with contents highlighted but not if I move down from txtbox1 to txtbox2on pressing enter.
I need to have the focus like you get in access !!!!!

Thanks

David

  read more]]>Thu, 28 Mar 2013 23:01:23 GMT<![CDATA[Add watermark in a video in silverlight and play in Silverlight Media Element]]>hi..

i need to add watermark text in a video and then i need to play that file in Silverlight Media Element control.

is it any possible way to achieve this in silverlight web application.
is there any other control is availabe to achive this..

need ur suggestions..
regards
gopal.s  read more]]>Thu, 28 Mar 2013 23:01:23 GMT<![CDATA[how to embbed silverlight appl in web page]]>             how to embed silver light appl(Page.xaml) in web page,here i use radupload for the i create radupload handler(.ashx) ,if i run in silver light appl(host and web) it work,if i call from web page(page.xaml) ,it show the error

("Error 1 Could not create type 'Example.Web.MyRadUploadHandler'.E:\FileStreamDatabaseBackUp\WebSite16\MyRadUploadHandler.ashx 1")



                              pls tell me how to add uploadhandler also

  read more]]>Thu, 28 Mar 2013 23:01:24 GMT<![CDATA[how to create silverlight application in vb.net using rad upload]]>   i am new to silverlight application. how to create silverligth app using rad upload in vb lang,pls provide upload handler(ashx) also .  read more]]>Thu, 28 Mar 2013 23:01:24 GMT<![CDATA[In telerik reports]]>Hi All

In telerik reports, I have the percentage format is 0.00%, in code behind  it is like

 

this.textBox6.Format = "{0:0.00%}";


In field, I have

iif(Fields.TotalWorkOrder <> 0,(Fields.TotalTypeWorkOrder/Fields.TotalWorkOrder)*100,0)

but this is not working means, it display only "0.00%".

no values returning, even workorder and totalworkorder is having some values.

Thks in advance.  read more]]>Thu, 28 Mar 2013 23:01:24 GMT<![CDATA[Combobox and SelectedItem:]]> <DataTemplate >
   <Grid>
        <StackPanel Orientation="Horizontal" >
            <Image Source="{Binding SomeImage}" />
            <TextBlock Text={"Bingding SomeText}" />
       </StackPanel>
    </Grid>
</DataTemplate>

And a toggleButton:
<ToggleButton IsChecked = "{Binding SomeBinding, Mode = TwoWay}" >  
     <ToggleButton.Content>
         <Image Source="{Bingding Path=SelectedValue />
     </ToggleButton.Content>
</ToggleButton>

And a combobox:
<ComboBox ItemSource="{Binding SomeItemSource}" ItemTemplate="{StaticResource ComboboxItemTemplate}"
           SelectedItem="{Binding SelectTedItemActive}" SelectedValuePath="SelectTedValueImage">
</ComboBox>

In the code behind:

ItemSource:
      SomeItemSource contains two data: Image1, Text1 and Image2, Text2

When I run the application I can choose from the combox and the togglebutton shows what I choosen.
If I choose Image1, Text1 the togglebutton shows Image1 and the IsChecked is set to True.

My question is how can I change the code that makes the IsChecked is set to false when I choose the same (Image1,Text1)? Thanks very much.
  read more]]>Thu, 28 Mar 2013 23:01:52 GMT<![CDATA[Set Focus on txtbox contents when tab into it so its contents can be changed]]>
I have a zaml form with 18 textboxes stacked up from top to bottom of the form and when I press enter it moves down from box 1 to box 2 etc I need the box contents to have focus when I move down  so it can be changed if required
Thanks

David

  read more]]>Thu, 28 Mar 2013 23:01:52 GMT<![CDATA[how to fix the data grid headers when using scrollviewer]]>
Thanks  read more]]>Thu, 28 Mar 2013 23:01:52 GMT<![CDATA[how to create silverlight application in vb.net]]>    i am new to silverlight application,can any one help me how to create silverligth application,how to add assembly,
i add a referenec like(Telerik.windows.controls) but i am not know how refer assembly in <usercontrol></usercontrol> tab like 

<UserControl
xmlns="http://schemas.microsoft.com/client/2007"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
x:Class="Telerik.Windows.Examples.Upload.Theming.Example"
    xmlns:telerik="http://schemas.telerik.com/2008/xaml/presentation">

how to use this xmlns with namespace and assembly .

here i want to use radasynchrons upload for upload file  pls reply asap


                                                                                                                                 read more]]>Thu, 28 Mar 2013 23:01:52 GMT<![CDATA[Find textbox value in row details template in datagrid]]>hi..

how to Find textbox value in row details template in datagrid in silverlight web application.

in my datagrid i plcaed a text box in row details template and i need to find the each row text box value during my button click which is placed out side of the datagrid control..

need ur suggestions..

regards
gopal.s  read more]]>Thu, 28 Mar 2013 23:01:54 GMT<![CDATA[Lightswitch Print everything in a component one flexgrid]]>component one flexgrid?  read more]]>Thu, 28 Mar 2013 23:01:54 GMT<![CDATA[How to create alarms(notifications) in metro style app in windows 8?]]>Hi,

 I have created alarm app in Windows Phone 7 by using ScheduledNotification class. How can we create alarm in metro style app rather than Toast notification? Is there any way to dismiss the alarm and snooze the notification when created?I know that ScheduledToastNotification class is available.But we don't have dismiss,snooze options for that.  

  Please help me.. Help me Help me.......

   Thanks in-advance.


Regards,
Chandra Sekhar.  read more]]>Thu, 28 Mar 2013 23:01:56 GMT<![CDATA[Is there any way to create alarm once,daily,weekly in metro app Windows 8?]]>
 I have created alarm app in Windows Phone 7. How can we create alarm in metro style app rather than Toast notification? Is there any way to dismiss the alarm and snooze the alarm when created?I know that ScheduledToastNotification class is available.But we don't have dismiss,snooze options for that.  

  Please help me..

   Thanks in-advance.


Regards,
chandu.  read more]]>Thu, 28 Mar 2013 23:01:56 GMT<![CDATA[Disable print screen and ctrl keys options in silverlight application]]>

i need to disable the print screen and ctrl keys in my silverlight application.


if the user press the print screen or ctrl keys i need to pass a message "the keys are disabled".


how to do this..


need ur suggestions..


regards
gopal.s  read more]]>Thu, 28 Mar 2013 23:01:56 GMT<![CDATA[desktop starts blinking when wpf application start and if we close it it stops blinking in background.]]>read more]]>Thu, 28 Mar 2013 23:01:57 GMT<![CDATA[Get the control values inside stack panel inside datagrid]]>
i have datagrid control and inside the grid i have added a stack panel control and i added label and image controls.

now i clicked the image inside datagrid and now i need to get the image values and label values inside the stack panel.

how to handle this..

need ur suggestions..
regards
gopal.s  read more]]>Thu, 28 Mar 2013 23:01:57 GMT<![CDATA[How to add image to a content using xaml in silverlight]]>read more]]>Thu, 28 Mar 2013 23:01:57 GMT<![CDATA[how can i use grid like a listbox in wpf?]]>
        I have a grid and in that I have some images only. when I click on one image, image should be change but remaining images won't change. And if I click on another image it should be change where previous image should be come to normal place.


  for the first task i wrote this code

private void ChangeHSImage(string Hs_name)
        {
              foreach (var i in HSGrid.Children)
            {
                if (i is Image)
                {
                    Image img = i as Image;
                    img.Name = Hs_name;
                    if (img.Tag.ToString() == "Active")
                    {
                        img.Source = (ImageSource)new ImageSourceConverter().ConvertFromString("HS_NewImages/" 
                                                            img.Name + ".png");     
                    }
             }

but remaining all images also changed... please help me. 
  read more]]>Thu, 28 Mar 2013 23:01:58 GMT<![CDATA[how can I set mp3 tones as my alarm in wpf?]]>
 Now i am setting background to my panorama page through emulator as well as device also. but I want to add ring tones to my alarm from my device. how can I do it? 


Help me... Thanks in-advance.  read more]]>Thu, 28 Mar 2013 23:01:59 GMT<![CDATA[how to change the image in grid when i click on that and others remain]]>
 I have a grid and in that I have some images only. when I click on one image, image should be change but remaining images won't change. And if I click on another image it should be change where previous image should be come to normal place.


  for the first task i wrote this code

private void ChangeHSImage(string Hs_name)
        {
              foreach (var i in HSGrid.Children)
            {
                if (i is Image)
                {
                    Image img = i as Image;
                    img.Name = Hs_name;
                    if (img.Tag.ToString() == "Active")
                    {
                        img.Source = (ImageSource)new ImageSourceConverter().ConvertFromString("HS_NewImages/"
                                                            img.Name + ".png");     
                    }
             }

but remaining all images also changed... please help me.


  read more]]>Thu, 28 Mar 2013 23:01:59 GMT<![CDATA[get Full Path in OpenFileDialog in silverlight]]>read more]]>Thu, 28 Mar 2013 23:01:59 GMT