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I am trying to create an application that will talk with a webservice.
This webservice needs the following information:
<request>
<EmailAddress>string</EmailAddress>
<Filename>string</Filename>
<FileData>base64Binary</FileData>
</request>
So I wrote the following:
string FileDataBase64Binary;
SoapBase64Binary base64Binary;
FileDataBase64Binary = "???";
base64Binary = SoapBase64Binary.Parse(FileDataBase64Binary);
request.FileData = base64Binary;
What should be the right code?
Any help would be greatly appriciated.
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Where's the problem? You have written code to answer your own problem. Could you explicitly state your issue(s)?
"Every time Lotus Notes starts up, somewhere a puppy, a kitten, a lamb, and a baby seal are killed. Lotus Notes is a conspiracy by the forces of Satan to drive us over the brink into madness. The CRC-32 for each file in the installation includes the numbers 666." Gary Wheeler
"You're an idiot." John Simmons, THE Outlaw programmer
"I realised that all of my best anecdotes started with "So there we were, pissed". Pete O'Hanlon
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The WSDL file needs <FileData>base64Binary</FileData> but I'm not sure how to convert my data from string to base64Binary.
So I wrote the following:
string FileDataBase64Binary;
SoapBase64Binary base64Binary;
FileDataBase64Binary = "???";
base64Binary = SoapBase64Binary.Parse(FileDataBase64Binary);
request.FileData = base64Binary;
Still not sure what must come by FileDataBase64Binary = "???";
Hope someone can explain to me how to do this?
The files I need to send to the webservice are .zip files containing one .txt file.
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I want to know how can we get the url of currently runnning instances of netscape navigator through a windows application in c#.net
thanks in advance
modified on Monday, April 21, 2008 4:41 AM
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No, you will have to expose that functionality from Netscape itself.
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Hello all
I'm trying to run exe file from my c# code
Every ting that I did I can't load this file (if I tray other files they open with no problem like mspaint.exe )
The message that I got is that the db can't be loaded .
This is what I tray
1. Process.start(file path).
2.
Process myProcess = new Process();
myProcess.StartInfo.FileName = "file path";
//create the cmd process
myProcess.StartInfo.UseShellExecute = false;
myProcess.StartInfo.CreateNoWindow = false myProcess.StartInfo.RedirectStandardInput = true;
myProcess.Start();
is there another way ???????
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Sounds like the exe you're running is trying to load the db in the current path or a sub directory.
Have you tried setting the StartInfo.WorkingDirectory property? Maybe set it to the path of the exe you're executing.
- S
50 cups of coffee and you know it's on!
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Hi frends,
I have a structure in a c dll, now i want to export this particular structure into a c# dotnet application. How can i achieve that?Pls help
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You need to redefine the struct in C# and make sure the size is the same. www.pinvoke.net has examples.
Christian Graus
Please read this if you don't understand the answer I've given you
"also I don't think "TranslateOneToTwoBillion OneHundredAndFortySevenMillion FourHundredAndEightyThreeThousand SixHundredAndFortySeven()" is a very good choice for a function name" - SpacixOne ( offering help to someone who really needed it ) ( spaces added for the benefit of people running at < 1280x1024 )
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I created a web program using the dropdown cascading extender from AJAX and from time to time the error message appears below for unknow reason when I choose from the dropdownlist.
You have any idea or work aorund for this problem?
--------------------------------------------------------------------------------
Invalid postback or callback argument. Event validation is enabled using <pages enableEventValidation="true"/> in configuration or <%@ Page EnableEventValidation="true" %> in a page. For security purposes, this feature verifies that arguments to postback or callback events originate from the server control that originally rendered them. If the data is valid and expected, use the ClientScriptManager.RegisterForEventValidation method in order to register the postback or callback data for validation.
Dabsukol
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Telling the folks in the ASP.NET forum the exact error seems like a good plae to startt
Christian Graus
Please read this if you don't understand the answer I've given you
"also I don't think "TranslateOneToTwoBillion OneHundredAndFortySevenMillion FourHundredAndEightyThreeThousand SixHundredAndFortySeven()" is a very good choice for a function name" - SpacixOne ( offering help to someone who really needed it ) ( spaces added for the benefit of people running at < 1280x1024 )
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I am clubbing multiple word documents into a single word document. But sometimes the document is corrupted and this stops the whole application. How to skip the corrupted doc and proceed with other documents using C#.net? Please help
Nitin Raj Bidkikar
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Put a try { } catch { } block around the statement that is getting the error, and just ignore it (or catch the specific exception and just ignore that one).
- S
50 cups of coffee and you know it's on!
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I added a keyboard hook by calling the SetWindowsHookEx but the delegate I was passing as a parameter for the function was being garbage collected, although the delegate was declared as a global variable. I was instantiating the delegate in a method, but, after instantiating it in the constructor of the class that contained the delegate it stopped being garbage collected and the problem was solved.
While doing some research I found Chris Brumme's blog were he Is saying that it's a better practice use a delegate and call the native method asynchronously rather than pinning the delegate that was GC in the memory. Therefore I tried this approach
public delegate IntPtr SetHookDelegate(int idHook, HookProc lpfn, IntPtr hInstance, uint threadId);
SetHookDelegate myookDelegate = null;
using (Process curProcess = Process.GetCurrentProcess())
using (ProcessModule curModule = curProcess.MainModule)
{
myookDelegate = new SetHookDelegate(Win32.SetWindowsHookEx);
myookDelegate.BeginInvoke((int)Win32.HookType.WH_KEYBOARD_LL,
HookProcedure,
Win32.GetModuleHandle(curModule.ModuleName),
0, new AsyncCallback(CallMeWhenFinished), myReturnValue);
}
but the callback method "CallMeWhenFinished" is called right away and the thread on which the hook was added is finished without waiting for the delegate passed as a parameter to the native function SetWindowsHookEx. Why is the thread finished right away and not listening on the callback function?
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razvan_dme wrote: Why is the thread finished right away and not listening on the callback function?
Because async calls are non-blocking.
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Yea, well that's an obvious answer, my question was more like, how can I overcome this
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Hello Everybody,
i have an application which is existing on a server, i need to create a "shortcut" on a PC on the network that when clicked access that program
if someone has an idea, or a document which can help i'll be thankfull
thanks in advance
best regards
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You need to create a shortcut, using the network path. Which bit are you stuck on ?
Christian Graus
Please read this if you don't understand the answer I've given you
"also I don't think "TranslateOneToTwoBillion OneHundredAndFortySevenMillion FourHundredAndEightyThreeThousand SixHundredAndFortySeven()" is a very good choice for a function name" - SpacixOne ( offering help to someone who really needed it ) ( spaces added for the benefit of people running at < 1280x1024 )
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Dear christian,
to create a shortcut i have to have permission to access the server, i can't give permission to all user to access all the server, i just want them to access just the application.
is there a way to make a shortcut programatically that run this application on the server?
thank you fo your help
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Hello!
I'm working on C# wrapper for C library. And I got two structures:
<br />
struct params<br />
{<br />
char* info;<br />
params* next;<br />
};<br />
<br />
struct device<br />
{<br />
unsigned int flags;<br />
char* name;<br />
char* description;<br />
params* p_params;<br />
device* next;<br />
};<br />
And got 2 functions I use:
<br />
int get_device_list( device* dev );<br />
void free_device_list( device* dev );<br />
So, what I do:
<br />
<br />
[StructLayout(LayoutKind.Sequential)]<br />
public class device<br />
{<br />
[MarshalAs(UnmanagedType(UnmanagedType.U4)<br />
uint flags;<br />
<br />
[MarshalAs(UnmanagedType(UnmanagedType.LPStr)<br />
string name;<br />
<br />
[MarshalAs(UnmanagedType(UnmanagedType.LPStr)<br />
string description;<br />
<br />
IntPtr p_params;<br />
IntPtr next;<br />
<br />
public device() <br />
{<br />
name = new string( '\0', 100 );<br />
description = new string( '\0', 100 );<br />
flsgs = 0;<br />
p_params = IntPtr.Zero;<br />
next = IntPtr.Zero;<br />
}<br />
<br />
}<br />
<br />
[Dllimport("api.dll")]<br />
static extern int get_device_list( IntPtr device_ptr );<br />
<br />
[Dllimport("api.dll")]<br />
static extern int free_device_list( IntPtr device_ptr );<br />
<br />
<br />
public static void main()<br />
{<br />
device dev;<br />
IntPtr device_ptr = Marshal.AllocHGlobal( Sizeof( typeof( device ) ) );<br />
Marshal.StructureToPtr( dev, device_ptr, false ) );<br />
<br />
int result = get_device_list( device_ptr );
<br />
free_device_list( device_ptr );<br />
<br />
Marshal.FreeHGlobal( device_ptr );<br />
}<br />
<br />
Actually, I can't realize why the call of the first function is successful, and the call of second one leads to exception throwing?
Help please, thanks in advance.
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You are using it incorrectly. If a API a freeXXX method, it normally means it will allocate the memory as well.
This means you, in this case need not allocate memory. Simply pass the pointer into the function and have it filled. Then after you have finished using it, free the memory with the freeXXX function.
You are complicating things by using a class instead of a struct. As a start, go unsafe and use a C usage example to get started.
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Hi,
I have an application that takes data from a datagrid to an Excel spreadsheet. I would like to rename the sheets (after exporting) from the default Sheet1, Sheet2, etc to my own specified name. The code that I have below gives me an error which says that:
'Property or indexer 'Microsoft.Office.Interop.Excel.Sheets.this[object]' cannot be assigned to -- it is read only'.
Is there any other way I can do this?
//create new worksheet
Microsoft.Office.Interop.Excel._Application _appClass = new ApplicationClass();
_appClass.Visible = true;
_appClass.Caption = "Exported ECS Errors";
Microsoft.Office.Interop.Excel.Workbook wbk = _appClass.Workbooks.Add(XlWBATemplate.xlWBATWorksheet);
wbk.Worksheets["Sheet1"] = "Mvelo";
Mvelo Walaza
Developer
Telkom SA
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It looks like you're trying to assign a string value to the sheet object, rather than the property which contains the name. I've not done any interop in a while so I can't remember the syntax - something like:
wbk.Worksheets["Sheet1"].Name = "Mvelo";
should work about right.
HTH
Dave
It definitely isn't definatley
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This is the error I get when I put the '.Name' code:
wbk.WorkSheets["Sheet1"].Name = "Mvelo";
'Only assignment, call, increment, decrement, and new object expressions can be used as a statement.'
Mvelo Walaza
Developer
Telkom SA
modified on Tuesday, April 22, 2008 2:15 AM
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hi
i have to read selected items of one list box to other listbox.and the selected item should be deleted and added to other list box.its working i had done it.
but the problem is it should not hit the server while doing such process.so we have to do the coding in javascript itseems.so plz help me in this regard.pls provide me the code in javascript.
iam clear with my question?
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