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 How to rollback the installation process in case of wrong serial number in c#.net under deployment project ?
manu sharma
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Reinstall and install again
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There are no ways to change the serial number of visual studio. If you want to change the serial number, you must reinstall your visual studio. That's what Microsoft said.
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how i find softwares installed at my pc and also in all pc's at LAN code in c#
i am a student of MSc computer science at quaid-e-azam university islamabad pakistan , my logo is "help to all"
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Hi
I try many time to link flash with c# in visual studio 2005 cloud u help me pleas give me some example and links.
thank's for help
good bye:->
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thank's man but can u send me more example???
I try it but all that example are for net 2003 i need it for 2005 pleas help???
-- modified at 10:03 Wednesday 17th May, 2006
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hi,
I am trying to to client side word automation through ASP.NET, C# web based application. Server side word automation can be done easily and i have written the code, so i am able to generate the word document on the server. As per the requirement it has to be generated on the client machine. For this code should be written in some scripting language. Please help!
Thanks,
Avanika
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Hi. I'm trying to use p/invoke on some standard C library. The library defines a struct:
<br />
typedef struct {<br />
FLAC__FrameHeader header;<br />
FLAC__Subframe subframes[8];<br />
FLAC__FrameFooter footer;<br />
} FLAC__Frame;<br />
where FLAC__FrameHeader, FLAC__Subframe, and FLAC__FrameFooter are other copmlex structures.
The library declares a function that consumes a FLAC__Frame as argument, such as :
void someFunc(FLAC__Frame frame);
[These are snippets from libFlac, for those in the know, but this is not really relevant; see here for more on FLAC.]
The question is: how do you marshall the struct to pass it back and forth between C# code and the C library function ?
I've tried to describe the FLAC_Frame structure as this, among other things:
<br />
[StructLayout(LayoutKind.Sequential)]<br />
internal struct Frame {<br />
public FrameHeader Header;<br />
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 8)]<br />
public Subframe[] Subframes;<br />
public FrameFooter Footer;<br />
}<br />
<br />
[DllImport("libFlac.dll")]<br />
private static extern void someFunc(Frame frame);<br />
but I keep getting a TypeLoadException with the comment "Cannot marshal field 'Subframes' of type 'Frame': There is no marshaling support for this type."
It does not seem to like the array of Subframes embedded in the Frame structure.
Anybody would have hints ?
Thanks,
Pyt.
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Yes, indeed. Sorry if this wasn't clear.
Subframe is a struct containing other structs (there are actually several levels of nested structs).
Pyt.
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I was thinking, the exception thrown probably has inner exceptions, that might give you more detail. Failing that, try Marshal.SizeOf() on the SubFrame, if u get a number back and no exception, then it should work.
Finally failing that, you can define 8 structs in a 'row' perhaps.
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Well, there was no inner exceptions. I finally put the 8 structures in a row, and it worked. Not very handy, but it'll do the trick for now. Thanks.
Pyt.
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Hi,
I'm converting char[] to double using
Dlength = System.Convert.ToDouble(strdata);
But its throwing exception called "Unable to cast object of type 'System.char[]' to type 'System.IConvertible'.
Any idea?
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Assuming that the char[] contains something like { '9', '.', '2', '5' } then you should convert the array into a string, then pass that into the ToDouble method.
Josh
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<br />
char []ch = {'1','2','3','.','2','3'};<br />
String str = new String(ch);<br />
Console.WriteLine(Convert.ToDouble(str));<br />
Hope this would solve the problem.
Saqib
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I have a sequence of 8-9 non ADO.Net operations needs to be done as a transaction. All of these should happen together or none of them. Is there any transaction support in C# for non ADO.Net operations?? If not what would be the best way to code this situation.
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If you are using .NET 2.0 there is the System.Transaction namespace. Otherwise, you could use COM+.
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I have a gridview on a webform. The table with the data I want it to display has a column with contents like: "Item1 Item2 Item3". What I want to do is make each one of these items appear on a new line in the cell that they are in. How would I do this?
eg.
Some Column
------------------------------
| Item1 |
| Item2 |
| Item3 |
| ... |
|___________________|___________
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Thanks for any help 
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Well, have you tried to format the text of the cell as : "Item1\r\nItem2\r\nItem3\r\n"?
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Ohh yes sorry I forgot to mention I used \r\n and Environment.NewLine (which is pretty much the same thing) with no luck.
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Try inserting <BR> tags instead of newlines. That might do the trick.
Josh
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Good spot  (especially since its in the wrong forum)
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Hello,
What is the procedure for printing any file (Ms Word, PDF etc) using shell within C# ?
Thanks
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Hello, I've taken following code -as it is- from the MSDN documentation, just for the consistency, otherwise the problem is simple. For more information search in the index for "Process.StartInfo". Here you go:
void PrintDoc()
{
Process myProcess = new Process();
try
{
// Get the path that stores user documents.
string myDocumentsPath = Environment.GetFolderPath(Environment.SpecialFolder.Personal);
myProcess.StartInfo.FileName = myDocumentsPath + "\\MyFile.doc";
myProcess.StartInfo.Verb = "Print";
myProcess.StartInfo.CreateNoWindow = true;
myProcess.Start();
}
catch (Win32Exception e)
{
if(e.NativeErrorCode == ERROR_FILE_NOT_FOUND)
{
Console.WriteLine(e.Message + ". Check the path.");
}
else if (e.NativeErrorCode == ERROR_ACCESS_DENIED)
{
// Note that if your word processor might generate exceptions
// such as this, which are handled first.
Console.WriteLine(e.Message +
". You do not have permission to print this file.");
}
}
}
I Hope it will work for you.
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