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Why are you yelling at me?
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Read the whole thread - the answer is there.
".45 ACP - because shooting twice is just silly" - JSOP, 2010
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You can never have too much ammo - unless you're swimming, or on fire. - JSOP, 2010
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When you pry the gun from my cold dead hands, be careful - the barrel will be very hot. - JSOP, 2013
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Actually (to build on Slacker's answer), the return value of the TryParse method is either true or false, and if true, the specified out parameter contains the parsed DateTime value. If the return value is false, the specified string was not in a recognizable DateTime string format.
Additionally, if you know for sure what the format of the string will be, you can use ParseExact.
For details about using either of these methods, google is, once again, your friend.
".45 ACP - because shooting twice is just silly" - JSOP, 2010
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You can never have too much ammo - unless you're swimming, or on fire. - JSOP, 2010
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When you pry the gun from my cold dead hands, be careful - the barrel will be very hot. - JSOP, 2013
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Thanks, I corrected my post.
Funny, I use this all the time, yet I posted its implementation incorrectly.  
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I am using dgv printer to print datagridview and wold like to know how to close the printing box if an exceptions is encountered.
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datagridview printer, I downloaded it from this website and I am using the dll version because I am programing in vb.net using visual studio community 2015.
Sorry for that.
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So it's from an article then? You should really ask your question in the forum at the end of the article. It's extremely unlikely that the author of that piece will just happen to wander through the C# forum and realise that you have a question for her or him.
This space for rent
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I need .net solution (c# preferred) for this. I need to read data from USB flash drive, not by normal file reading way, but byte by byte using its memory address. I used winusbnet library. But
USBDevice device = GetSingleDevice(myguid)
always return null. I have checked guid resides in registry. Also I confirmed the guid in device manager too. But I can't figure out what went wrong.
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Which library are you using? Is this USBDevice from a Windows or .NET namespace? The UsbDevice[^] object (notice the object caps and smalls) can be used which comes from Windows Runtime APIs and can be used in Metro applications. You can check that API out. Please see the document on MSDN for more on this.
The sh*t I complain about
It's like there ain't a cloud in the sky and it's raining out - Eminem
~! Firewall !~
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I'm writing an app that supports plugins, using the SimplePlugins library.
Plugins live in a separate subfolder.
Both the app and its plugins reference the SimplePlugins DLL.
For the plugins, the SimplePlugins assembly performs a sanity check to ensure that the plugin module includes at least one object derived from PluginBase (that lives I the SimplePlugins assembly).
So in the grand scheme of things, the app loads first, and uses the SimplePlugins creates a new app domain for each plugin assembly, and then performs said sanity check which calls the IsSubclassOf reflection method.
The sanity check fails unless I change the Copy local property for plugin's reference to SimplePlugins.DLL to false.
My question:
Why doesn't IsSubclassOf find the specified derived type without setting Copy local to false? Is it because I'm crossing app domains? Is it because the plugin is loading a different copy of the SimplePlugins DLL?
".45 ACP - because shooting twice is just silly" - JSOP, 2010
-
You can never have too much ammo - unless you're swimming, or on fire. - JSOP, 2010
-
When you pry the gun from my cold dead hands, be careful - the barrel will be very hot. - JSOP, 2013
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More information is needed.
- What is the base directory of the AppDomains?
- How are you triggering the code in the AppDomain?
- Is the SimplePlugins.DLL also stored in each plugin-subfolder?
- Which assemblies are now loaded in the appdomain? Debug to find out the exact location.
- 'Why doesn't IsSubclassOf find the specified derived type' - does not make sense. IsSubclassOf returns either true or false.
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maarten_oosterhoff wrote: - What is the base directory of the AppDomains?
I don't see how that matters. The plugin DLL is in a subfolder of the app's folder.
maarten_oosterhoff wrote: - How are you triggering the code in the AppDomain?
Calling a method.
maarten_oosterhoff wrote: Is the SimplePlugins.DLL also stored in each plugin-subfolder?
Yes, but that's when it fails. If I don't copy it to that folder, it's fine.
maarten_oosterhoff wrote: - Which assemblies are now loaded in the appdomain? Debug to find out the exact location.
The app is in one domain, and the plugin is in another.
maarten_oosterhoff wrote: - 'Why doesn't IsSubclassOf find the specified derived type' - does not make sense. IsSubclassOf returns either true or false.
Yeah, I know. My statement indicates that it's returning false.
I just want to know why it makes a difference.
".45 ACP - because shooting twice is just silly" - JSOP, 2010
-
You can never have too much ammo - unless you're swimming, or on fire. - JSOP, 2010
-
When you pry the gun from my cold dead hands, be careful - the barrel will be very hot. - JSOP, 2013
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For me, to try to solve your question, it was necessary to ask for some more info. Working with AppDomains and dynamically loading assemblies is tricky, and I need to know what it is exactly that is loaded in the AppDomain, and what the start-up parameters are of said AppDomain (like the base-directory).
My apologies if this was not to your liking.
Good luck solving your problem.
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I have an application using System.DirectoryServices.AccountManagement. This exe is in network and almost all user can run the application. For one user, The error is displayed as follows:
Unhanded exception has occured in your application. Could not load file or assembly 'System.DirectoryServices.AccountManagement, Version 3.5.0.0, culture =neutral Public key token = .b77assks778wsdcsd8' or one of its dependencies. The system cannot find the fie specified.
He is having the .Net framework 3.5 and 4. Can some one help me resolving the issue.
Thanks in advance.
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That's the wrong public key token. It should be b77a5c561934e089.
Is that a typo in your question? If not, it sounds like his .NET installation is corrupt.
"These people looked deep within my soul and assigned me a number based on the order in which I joined."
- Homer
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dear sir ,
i want filter data from database using two date time picker and one text box to get accurate filtered record in datagridview
please help me
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Member 12367484 wrote: please help me
Help with what? You need to explain where you are stuck and what part of your code is not working.
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How can I detect a VPN connection?
How can I detecting application request from VPN, Is it possible?
modified 22-Jul-16 5:24am.
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A VPN connection to what?
"These people looked deep within my soul and assigned me a number based on the order in which I joined."
- Homer
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There is any way for detecting client request is from Virtual Private Network or directly client computer?
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A client request TO WHAT?
You haven't told us anything about your application.
"These people looked deep within my soul and assigned me a number based on the order in which I joined."
- Homer
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Not under normal circumstances.
Bastard Programmer from Hell 
If you can't read my code, try converting it here[^]
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