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Yes, the application should be run as the user you are logged in as and are running Visual Studio as. Does the exeception provide any specific information (maybe an InnerException?)
It's not something you "tell the complier". The compiler generates an executable and that executable is run under the context of a user. So when your executable tries to list the directory, it's using that user's credentials.
You can run the executable as a different user (than the currently logged in user), using the runas.exe command line tool or right click the EXE in Windows explorer and choose run-as. You can also have your code "impersonate[^]" another user.
Take care,
Tom
-----------------------------------------------
Check out my blog at http://tjoe.wordpress.com
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System.Security.SecurityException wurde nicht behandelt.<br />
Message="Fehler bei der Anforderung des Berechtigungstyps System.Security.Permissions.FileIOPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089."<br />
Source="System"<br />
StackTrace:<br />
bei System.ComponentModel.ReflectPropertyDescriptor.SetValue(Object component, Object value)<br />
bei System.Windows.Forms.RadioButton.PerformAutoUpdates(Boolean tabbedInto)<br />
bei System.Windows.Forms.RadioButton.set_Checked(Boolean value)<br />
bei System.Windows.Forms.RadioButton.OnClick(EventArgs e)<br />
bei System.Windows.Forms.RadioButton.OnMouseUp(MouseEventArgs mevent)<br />
bei System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)<br />
bei System.Windows.Forms.Control.WndProc(Message& m)<br />
bei System.Windows.Forms.ButtonBase.WndProc(Message& m)<br />
bei System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)<br />
bei System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)<br />
bei System.Windows.Forms.NativeWindow.DebuggableCallback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)<br />
bei System.Windows.Forms.UnsafeNativeMethods.DispatchMessageW(MSG& msg)<br />
bei System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(Int32 dwComponentID, Int32 reason, Int32 pvLoopData)<br />
bei System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32 reason, ApplicationContext context)<br />
bei System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32 reason, ApplicationContext context)<br />
bei System.Windows.Forms.Application.Run(Form mainForm)<br />
bei CSharpImgPT.Program.Main()<br />
bei System.AppDomain.nExecuteAssembly(Assembly assembly, String[] args)<br />
bei System.AppDomain.ExecuteAssembly(String assemblyFile, Evidence assemblySecurity, String[] args)<br />
bei Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssembly()<br />
bei System.Threading.ThreadHelper.ThreadStart_Context(Object state)<br />
bei System.Threading.ExecutionContext.runTryCode(Object userData)<br />
bei System.Runtime.CompilerServices.RuntimeHelpers.ExecuteCodeWithGuaranteedCleanup(TryCode code, CleanupCode backoutCode, Object userData)<br />
bei System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)<br />
bei System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)<br />
bei System.Threading.ThreadHelper.ThreadStart()
Fehler bei der Anforderung des Berechtigungstyps ~> Error while requesting permission type
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I found the solution for the problem...
I also played arround with some database access and it gave me also a security exception. While googling with database+exception-stuff I found following useful site which was the solution for my problem:
http://abibaby.blogspot.com/2006/02/systemdatasqlclientsqlclientpermission.html
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Hi to all,
i have developed one application. But at the run time when i click refresh button on standard toolbar it gives the error
"The page cannot be refreshed without resending the information. Click retry to send the information again."
How can i refresh page at run time?
Pravin
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Whenever you do a postback, you need to write your page so that you redirect to the same page, with the pertinent data on the URL. OTherwise, you're just seeing standard browser behaviour.
This was an ASP.NET question.
Christian Graus - Microsoft MVP - C++
"I am working on a project that will convert a FORTRAN code to corresponding C++ code.I am not aware of FORTRAN syntax" ( spotted in the C++/CLI forum )
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Hi everyone,
I am developing a n application with asp.net 2.0 for provide our companys' customer. in home page there is one link like click here to live chat with admin. when user click on that link at that time it open new window and start the server and then client made a connection with the server with .connect method of tcpclient class.
Its good and working file now i want to notify the server when client connect with the server, So server can accept the listner from client so, how can i come to know that some body has made a connection or connected with the server.
I want to pass message from client to server and server to client.
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Hi all,
I have a case where i need to fill in specific fields from a form and save them in specific areas in a word file.
thanks
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Depending on which version of Word you are using, you could either open up Word via COM Interop and fill in the fields this way, or generate the file using Xml (Word uses Xml as the basis of the Docx format). Alternatively, you could take a look at VSTO (Visual Studio Tools for Office) and think about hosting the form inside Word itself.
Deja View - the feeling that you've seen this post before.
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Any links that i can start with especially that i need to save into several files once i fill the main form. Another question is that when i fill all fields with data how can i export/save them to several files without entering to each file alone
thanks
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In windows application, i want ot access one method which on the from.cs, then how i can access that method in class without creating new intance of form in c#.
Yogesh Pekhale
pekhaleyogesh@gmail.com
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If you want to access a method without instantiating something beforehand, you need to make that method static:
public class FunkyForm : Form
{
public static void DoSomething()
{
}
}This is called using FunkyForm.DoSomething();
Deja View - the feeling that you've seen this post before.
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in this static function i want to fill one list control. how i can access list control in static method.
Yogesh Pekhale
pekhaleyogesh@gmail.com
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If it's a member of the class, you can't. That's how static methods work. If it's not a member, pass it in.
Christian Graus - Microsoft MVP - C++
"I am working on a project that will convert a FORTRAN code to corresponding C++ code.I am not aware of FORTRAN syntax" ( spotted in the C++/CLI forum )
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If you want to fill the listbox, then you need an instantiated version of the form. You could (and I stress could because it's not really the best way) expose the listbox in the form. A better approach would be to have the static handler interact with the form via events so that the form is responsible for updating the listbox by responding to events.
Deja View - the feeling that you've seen this post before.
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I am developing windows application, in that on from i have listbox, and one statice method. i want to acess that listbox in static method then how i can?
Yogesh Pekhale
pekhaleyogesh@gmail.com
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Please don't ask the same thing twice.
Christian Graus - Microsoft MVP - C++
"I am working on a project that will convert a FORTRAN code to corresponding C++ code.I am not aware of FORTRAN syntax" ( spotted in the C++/CLI forum )
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Asking twice eh? Don't know if you have an answer but, you can make the listbox static, and reference it with MainForm.myListBox (or whatever you class / listbox is called) but then you'd never be able to access the listbox with this. which is kinda annoying.
Or you could pass the listbox as a variable, im pretty sure that would work, but im not certain.
public static void Stuff(ListBox listbox) {<br />
listbox.Items.Add("I like pie");<br />
}<br />
<br />
...<br />
<br />
Stuff(this.listBox1);<br />
...
Oh, i get it now you, aksed an incredibly similar question in the topic above, but with a different title. Anyway...
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Sorting number in access database...
My question is:
In database access I have a table named Persons.
First field in this table,called PersonID, is Number, long int, not
Autonumber. Then I put some data in this table
with C# Windows application, for exapmle:
PersonID: Name
1 Jonh
2 Jack
3 Maria
4 George
5 Alex
6 Peter
7 Mike
8 David
and my application, should delete some
of the Names from database, and the problem is here!
Imagine, I should delete records:2(Jack), 4(George), 6(Peter)
and then my table in database look like this:
PersonID: Name
1 Jonh
3 Maria
5 Alex
7 Mike
8 David
My question is:
Is there a way, PersonID field who is number(long int)
to have value like this(and table):
PersonID: Name
1 Jonh
2 Maria
3 Alex
4 Mike
5 David
So when I delete some records, from table,
I want
the field (number - long int) to sort himself
in order: 1,2,3,4,5....
not: 1,4,5,6,9....
because in my c# windows application I need sorted records
1,2,3,4,5...
thank you c# lover's.
kpp
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Well, you can get it to renumber stuff to ensure that there are no gaps, but this is increadible wasteful of resources. I wouldn't bother with it. It will also break any referencial integrity so you'd have to fix that up also. All that turns a simple delete into a really expensive operation.
KppsK wrote: because in my c# windows application I need sorted records
1,2,3,4,5...
The records are sorted. They just have gaps. What exactly do you need this for anyway.
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You should just keep the gaps, if you where listing out all the entries and you didn't want to see gaps just count the records as you write them out.
So if you where using a for loop to get each record:
for(int i=0; i < totalRecords; i++) {<br />
}
For anything else just create another int, set it to 0, then everytime you print out a record increase it by one.
If any of this message makes no sense at all, then i do appologise, but im very tired. 
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The Undefeated wrote: WTF? You see that right ^ its missing parts. But when i go to edit, the whole line is there.
Think about how it would be rendered as HTML. Replace the < with <
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hi all,
i want to write a directshow filter in c#... and i m new to the technology...
can anyone please provide me basic guidelines (or links) so that i can start from the scratch...
thanks...
Kuldeep
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I need to enumerate members of Administrators group on all computers remotely.
I should be able to specify computername, username & password. Has WMI got any class to enumerate group membership ?
Also, has WinNT provider got capability to connect to remote machines with alternate credentials?
Any code will be of great help. Thanks in anticiaptions.
h.
before c# there was darkness
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Hello. I've actually recently written a program to manage user groups on remote servers, including add an expiration date/time when that user will be removed. I'll be posting an article on it soon. Here is some code that should help you out. You will need to add a reference to System.DirectoryServices, and using statements for System.DirectoryServices and System.Collections:
<br />
String entryString = "WinNT://" + computerName + ",computer";<br />
DirectoryEntry dirEntry = new DirectoryEntry(entryString, username, password);<br />
<br />
foreach (DirectoryEntry entry in dirEntry.Children)<br />
{<br />
if (entry.SchemaClassName.Equals("group", StringComparison.CurrentCultureIgnoreCase))<br />
{<br />
if (entry.Name.Equals("Administrators"))<br />
{<br />
object members = entry.Invoke("Members", null);<br />
<br />
foreach (object member in (IEnumerable)members)<br />
{<br />
DirectoryEntry memberEntry = new DirectoryEntry(member);<br />
String name = memberEntry.Name;<br />
String path = memberEntry.Path;<br />
MessageBox.Show(path + "\n" + name + "\n" + memberEntry.SchemaClassName);<br />
}<br />
}<br />
}<br />
}<br />
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