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Nekkantidivya wrote:
"An exception occurred during the operation, making the result invalid. Check InnerException for exception details."
Whats the InnerException? 
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Give your web service method signature and exception details.
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Hi,
I am working on silver light application. In this I converted an image into byte format and saved it in the database. Then I retrieved them from the server and tried to convert it to bitmap and display it in a image control. But during convertion process from byte[] to Bitmap I am getting this exception.
"Catastrophic failure (Exception from HRESULT: 0x8000FFFF (E_UNEXPECTED))"
List<AdImages> ImgList = new List<AdImages>();
ImgList = e.Result;
int i = 0;
foreach (AdImages img in ImgList)
{
try
{
BitmapImage image = new BitmapImage();
using (MemoryStream stream = new MemoryStream(img.ImgData))
{
image.SetSource(stream); // exception raised at this line
ImgSQL.Source = image;
}
Image img2 = new Image();
img2.Source = image;
LayoutRoot.Children.Add(img2);
posImage(img2, i, ImgList.Count);
_images.Add(img2);
i++;
}
catch (Exception ee)
{
}
}
If anyone any idea to solve this please reply me.
Thanks in advance.
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try with dispatcher..
Dispatcher.BeginInvoke(delegate()
{
List<AdImages> ImgList = new List<AdImages>();
ImgList = e.Result;
int i = 0;
foreach (AdImages img in ImgList)
{
try
{
BitmapImage image = new BitmapImage();
using (MemoryStream stream = new MemoryStream(img.ImgData))
{
image.SetSource(stream); // exception raised at this line
ImgSQL.Source = image;
}
Image img2 = new Image();
img2.Source = image;
LayoutRoot.Children.Add(img2);
posImage(img2, i, ImgList.Count);
_images.Add(img2);
i++;
}
catch (Exception ee)
{
}
}
});
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check that the image format is supported
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i am facing the same problem in Silverlight 4 , did you resolve the Error ?
Vuyiswa Maseko,
Spoted in Daniweb-- Sorry to rant. I hate websites. They are just wierd. They don't behave like normal code.
C#/VB.NET/ASP.NET/SQL7/2000/2005/2008
http://www.vuyiswamaseko.com
vuyiswa@its.co.za
http://www.itsabacus.co.za/itsabacus/
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I am trying to update a sql database using silverlight 3, I have added a proxy file and have a data model added to my project. I would like to use the savechanges() method but this does not show up as an option. I do have the beginsavechanges method available but I do not understand the asynccallback.
Can someone please explain how to use the beginsavechanges method or how I can get the savechanges method in my project?
Thanks.
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Hi
I want to know if it is possible to make an AdonerLayer look exactly like a BalloonTip, if yes, has anyone done this before and would you be so kind as to post the style that you created? It's not that important for me to get this working, so I don't want to spend too much time on styling elements.
Thanks in advance
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You can find more styling information on balloon tips in this article[^] from my fellow WPF Disciple Philipp Sumi.
"WPF has many lovers. It's a veritable porn star!" - Josh Smith As Braveheart once said, "You can take our freedom but you'll never take our Hobnobs!" - Martin Hughes.
My blog | My articles | MoXAML PowerToys | Onyx
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Hi
I have a 3D model that I want to use as my SplashScreen. I can easily put the model on a form, then make the form transparent so that you see only the 3d model, but what I want to do is display this form as my SplashScreen. Do you think using a transparent form with a 3D model is the way to go or is there another, possibly better way of achieving this? If not, could you give me some hints on how to use a WPF window as a SplashScreen?
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I'd just use the SplashScreen that was introduced in 3.5 SP1. Here's[^] more information.
"WPF has many lovers. It's a veritable porn star!" - Josh Smith As Braveheart once said, "You can take our freedom but you'll never take our Hobnobs!" - Martin Hughes.
My blog | My articles | MoXAML PowerToys | Onyx
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It seems that the WPF ListView expands when the content height increases, but it does not contract when the content height decreases. Here is a simple example that demonstrates the issue:
<Window x:Class="TestShrinkListView.Window1"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="Window1" Height="300" Width="300">
<Border BorderThickness="2" BorderBrush="Red" VerticalAlignment="Top">
<ListView Height="Auto" VerticalAlignment="Top">
<ListViewItem>
<TextBox AcceptsReturn="True">Type some text here.</TextBox>
</ListViewItem>
</ListView>
</Border>
</Window>
If you run that and press ENTER a few times, you'll make the TextBox increase it's height, and the ListView will expand to accommodate the new height. However, if you delete a few lines from the TextBox, the ListView remains at the same enlarged height.
Is there an easy way to make the ListView decrease its height when the content shrinks (e.g., a height property), or am I going to have to get clever with some special coding?
If I have to get clever, one thing I did notice is that removing a ListViewItem from the ListView causes the ListView to contract to the proper size. I suppose I could look into how that exactly happens, but I would really prefer a cleaner solution.
If you have any ideas, please run them by me. I'd love to hear your opinion. Thanks!
Visual Studio is an excellent GUIIDE.
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I have today off, but after a full night's sleep, my mind is less clouded than it was yesterday when I ran out of programmer-fu. The problem we ran into yesterday is now bugging me to find a resolution.
We have a web service on an internal IIS server that is not on the company domain. This server has a number of WCF web services running on it so we can test our client application.
The endpoint defined in the application's app.config uses the server's IP address in the URL. However, when we try to connect via the application to the web service, the IP is changed (internally) to the machines name.
Does anybody know why it does it that?
.45 ACP - because shooting twice is just silly
-----
"Why don't you tie a kerosene-soaked rag around your ankles so the ants won't climb up and eat your candy ass..." - Dale Earnhardt, 1997
-----
"The staggering layers of obscenity in your statement make it a work of art on so many levels." - J. Jystad, 2001
modified on Friday, September 4, 2009 9:48 AM
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John Simmons / outlaw programmer wrote: WCF
there's your problem. 
Personally, I love the idea that Raymond spends his nights posting bad regexs to mailing lists under the pseudonym of Jane Smith. He'd be like a super hero, only more nerdy and less useful. [Trevel]
| FoldWithUs! | sighist
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Yeah, that's one of the many "difficulties" we face. We're writing the application from hell:
- WPF
- WCF
- nHibernate
- RDB
As you can see, the further you get down the list, the more likely it is that you will exclaim, "WTF!?".
.45 ACP - because shooting twice is just silly
-----
"Why don't you tie a kerosene-soaked rag around your ankles so the ants won't climb up and eat your candy ass..." - Dale Earnhardt, 1997
-----
"The staggering layers of obscenity in your statement make it a work of art on so many levels." - J. Jystad, 2001
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John Simmons / outlaw programmer wrote: As you can see, the further you get down the list, the more likely it is that you will exclaim, "WTF!?".
So, let me guess. At the end of the list, there should be InstallShield - that you're using to create setup?
It is a crappy thing, but it's life -^ Carlo Pallini
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No, the install shield part has been outsourced to another country; communication with them is done using Lotus Notes.
And on the top of it, John forgot to mention the legacy VB6 library used in a part of his code that has also to be maintained.
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Thank god nobody has suggested that yet...
.45 ACP - because shooting twice is just silly
-----
"Why don't you tie a kerosene-soaked rag around your ankles so the ants won't climb up and eat your candy ass..." - Dale Earnhardt, 1997
-----
"The staggering layers of obscenity in your statement make it a work of art on so many levels." - J. Jystad, 2001
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2nd from the bottom - Crystal Reports.
Never underestimate the power of human stupidity
RAH
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That's the problem with big frameworks. You get them to work but most of the times you don't fully understand why and how they are working. This produces, in the best scenario, a slow application, in the worst an application with many subtle reliability defects.
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John Simmons / outlaw programmer wrote: the further you get down the list, the more likely it is that you will exclaim, "WTF!?".
Except in this case the "W" stands for "Why"
No trees were harmed in the sending of this message; however, a significant number of electrons were slightly inconvenienced.
This message is made of fully recyclable Zeros and Ones
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Have you printed out the death march t-shirts yet? Gack, sounds awful!
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*cough* technology guinea pigs *cough*
Our thoughts are with you.
Personally, I love the idea that Raymond spends his nights posting bad regexs to mailing lists under the pseudonym of Jane Smith. He'd be like a super hero, only more nerdy and less useful. [Trevel]
| FoldWithUs! | sighist
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Hi
I have a rather simple question. If I declare a ModelVisual3D as a resource in XAML, how can I use this resource in multiple places without getting the error " Specified Visual is already a child of another Visual or the root of a CompositionTarget" ?
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In your resource file, use the Shared attribute so your resource gets cloned each time you use it.
For example:
<ModelVisual3D x:Shared="False" ...>
...
</ModelVisual3D>
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