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Well, based on what you report, it looks like assemblies might be in GAC.
Changing just the web.Config would not help. If you don't have the full source file, it would difficult for you to replicate the environment.
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client gave me ftp account details i downloaded from dere but .cs files missing in dat too but on dere server the website was running completely
in web config dey used :<add key="MySMTPServer" value="relay-hosting.secureserver.net"/>
i changed server n SMTP details still it shows error
guide some way to solve d issue
modified 17-Jul-12 10:03am.
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When you deploy to a web server, its common practice NOT to include the original source files. Instead, they will have uploaded the compiled version of the site - which means that you won't have the original C# files. If you need these files, you are either going to have to decompile them or the client will have to supply you with the original files.
Now, please - stop using text speak in posts. There's no reason for you to do this, and it means that a great number of people reading these posts have difficulty in understanding them.
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ok
modified 18-Jul-12 2:05am.
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Now i should i asked client for complete project files ,becoz none of the asp pages contains backend pages all are in C#
because when i asked for project dey gave me FTP information only , which doesnot contain backend files
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How can i get the .cs files for my projects
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As I've already explained to you, you either have to decompile the DLL files or you have to get the client to supply the missing files. There are no other options. Rather than wasting time here, you should go to the client and explain to them that they have not supplied you with the source files, and as a result, you cannot make whatever changes they require until they provide you with them.
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i decompiled the dll and got the files
now how can i connect dt with particular asp page for registration i got registration.cs,for career i got career.cs files how do i connect dem with dere pages
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Please - no text speak. I can't translate what you put in to that question. Try again without the text speak.
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i didnt understand wht is text speak???
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Hi, I wanted to use these statements to convert a string to an object instance but it gave me this error:
-------------------------------
An unhandled exception of type 'System.ArgumentNullException' occurred in mscorlib.dll
Additional information: Value cannot be null.
-------------------------------
I'm fully sure that I wrote the string phrase right but I don't know for what purpose this error comes.
Here's the code:
Type t = Type.GetType("pictureBox99." + "BackgroundImage");
PictureBox picture = Activator.CreateInstance(t) as PictureBox;
picture.BackgroundImage = Resource1.island;
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Debug it and see if "t" is null or not.
Why is common sense not common?
Never argue with an idiot. They will drag you down to their level where they are an expert.
Sometimes it takes a lot of work to be lazy
Please stand in front of my pistol, smile and wait for the flash - JSOP 2012
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Suppose it is null, what happens next? Or clearly, what should I do to stop getting errors?
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There's absolutely no need to use Activator.CreateInstance in your code sample. You already know that you are trying to create a PictureBox, so just use new.
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Yes, I know that the object will be a pictureBox but for some matters in my software's development I need to go through this.
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Well, the problem in your code is that you are retrieving the type of BackgroundImage - which is Image, and then attempting to cast that into a PictureBox. You can't do this - hence the reason that the value of picture is null. In your sample, you really need to do this:
PictureBox picture = new PictureBox();
picture.BackgroundImage = Resource1.island; You will also need to place this control on the screen (and add it to the Controls collection of its parent).
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Here's the real problem: I have 81 pictureBoxes and I want to change their BackgroundImage at once. I'm looking for a solution to stay away from writing 81 statements. I need a code snippet to do so.
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Are you trying to convert them into the same image?
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Yes. I'm trying to reach something like this:
for (Counter = 1; Counter <= 81; Counter++)
{
picturebox|COUNTER|.BackgroundImage = Resource1.Img1;
}
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Off the top of my head, I would possibly use something like this:
private void ChangePictureBoxes(Control parentControl, Image img)
{
foreach (Control control in parentControl.Children)
{
PictureBox picture = control as PictureBox;
if (picture != null)
{
picture.BackgroundImage = img;
continue;
}
ChangePictureBoxes(control);
}
}
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The Visual Studio says " ~Control does not contain a definition for Children"!?
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Replace Children with Controls. I just knocked this snippet up in the CP editor.
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Mission Done! Thanks a lot 
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No problem. The key to this trick is the fact that your control could be nested inside any one of a number of control containers - this recursive method is a handy way to iterate over a form and find ALL instances of a particular type.
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