Answer Questions

• RT Unmanaged application using managed library can't find referenced assemblies

  There's a C# application with some DLL's. There's an unmanaged application (Total Commander) and I want to create a plugin for it that uses some functions from my C# libraries. I figured the best interface is a managed C++ library: it implements the unmanaged plugin interface by exporting the necessary functions, and it calls into my managed code, so I don't have to reimplement that library. Problem is, it can't find the referenced assemblies (F ...Show All

• alorbach My database doesn't recognise me!

  I am trying my first app using remoting, it involves an ASP.Net (.NET Framework V1.1) app sending data to SQL Server via a remote object. The object is hosted by a simple command line utility and the communication has been tried via HTTP and TCP. In both cases the database failes to authenticate the remote object (Login failed for user '(null)'). The ASP page is using impersonation to represent a domain user with database access b ...Show All

• lessx helloworld app generates "System.Security.SecurityException" occurred in mscorlib.dll

  Hi I created a simple "helloworld" application about 6 months ago (it only has a label on the windows form) to demonstrate web deployed windows forms. It used to work, but nowadays, it results in (from MS CLR Debugger): An unhandled exception of type 'System.Security.SecurityException' occurred in mscorlib.dll. Additional information: Request for the permission of type System.Security.Permissions.SecurityPermission, mscorlib, Version=1.0.5000. ...Show All

• Patrick Boyd How can i turn "validator" off ?

  Hi When I load a XML document which header declare "dtd" file using XmlTextReader (Ex :<!DOCTYPE PLAY SYSTEM "play.dtd">) if dtd file doesn't exist(play.dtd) it will error How can i turn "validator" off Thks XmlReaderSettings settings = new XmlReaderSettings (); settings.ProhibitDtd = true ; XmlReader reader = XmlReader .Create( "input.xml" , settings); ...Show All

• Daniel Eason Problem with continous polling using HttpWebrequest and HttpWebresponse

  Hi, I am currently developing a PDA program that continously polls for data on a java servlet running on a tomcat server. Usually during the first 15-20 minutes the program works fine, however after that I begin to recieve the following exceptions in: - "Internal Error 500 (from webserver)" -after a few minutes I begin to recieve this web exception : "The operation has timed out" - finally it this error occurs "Unable to connect to Web Server" f ...Show All

• SmartFX Drawing images with transparency

  Is there a way with the Graphics object to draw a semi-transparent image ie. I want to load up an image from a .png or .bmp file, and be able to draw the entire thing at an arbitrary transparency level. But I can't seem to find an Opacity property or anything of the like. Does anyone know how to do this DrawImage method of Graphics class has some overloads that take a parameter of type ImageAttributes. Amo ...Show All

• Dan Williams Can native TCP/IP messages be captured?

  Is it possbile to capture a native TCP/IP message from a PLC Ethernet module sent to a PC Hyperterminal can do this over serial comms but can it do the same over Ethernet Even thought there is not server Thanks I will take a look at Netmon on Mon. Yes I do want look at the message received at the PC just to confirm what was sent out of the PLC Ethernet module It will allow me to confirm the mes ...Show All

• Charles Lee '.ctor' is not a valid identifier .net 2005 Designer Problem

  I am frequently facing this problem in Visual Studio 2005 Designer. i have searched all files of my project, '.ctor' is mentioned nowhere One or more errors encountered while loading the designer. The errors are listed below. Some errors can be fixed by rebuilding your project, while others may require code changes. '.ctor' is not a valid identifier. Hide at Microsoft.Visu ...Show All

• Pavel S. problem to connect at imap server

  hello l wold like to connect at a imap server but i can not i trie in dos "telnet imap.mail.yahoo.fr 143 ' but  i lost to connect if anyone have solution please help me thanks Could you please post the error message in English Most probably there is no server listening on that port Check any firewalls and other issues the error is : connexion a imap.mail.yahoo.fr...impossible d'ouvrir une connexion ...Show All

• Brian Morearty How to force build in Framework 1.1 environment

  Hi, On W2K3 system I installed VS 2005 and I automatically got .Net FrameWork 2.0 installed. When I build an app it builds in .Net Framework 2.0. This prevents it from executing on system with Framework 1.1. Question is how do I force VS 2005 to build in FrameWork 1.1 I did check in the registry and found I have both framework installed. 2.0 did not clobber 1.1. If any one can reply to this that would be awesome. thanks ananda vardhana ...Show All

• JohnSLG Compile Typed Dataset

  Hi. I am a newbie and had a basic question. It seems that advantage of typed datasets is type validation at compile time. This would imply that without a compiler, generating a typed dataset is impossible. Is this true As far as the compiler is concerned, a typed DataSet is really just like any other class. Type validation of typed DataSet code occurs according to the same rules as any other code. Regarding ge ...Show All

• Alfie Cordaway SqlParameter Caching in ASP.NET on server side.

  Hello Friends, I have an idea to cache the SqlParameter objects in an ASP.NET application or website. I mean when we are using any SqlCommand object to execute any stored procedure, we have to add SqlParameter objects to this SqlCommand object to execute the given stored procedure. Now my concern is, after creating any SqlParameter object and adding it to parameters collection of SqlCommand object, i want to cache this newly created SqlPa ...Show All

• RPAC Exception Handling DO NOT WORK!! Help Please!@!

  Hi. I want that you think with me... When i put a try-catch exception handler block in an application what i expect from it i expect that it will handle the error and begin the normal flow of the application. Now, you aswer me, why it doesn’t work in this scenary : I have one Form1 (Project > Add New > Form, nothing different), and another Form2 and one Form3. i’m proud of my creativity for names. Form1 : private void Form1 ...Show All

• Thomas Rothlisberger reading text files

  Hi, What would be the fastest way to read a text file of size >20MB I need to read that log file and then I need to search for a particular string in it. The log file writes each entry in one line. So first I would do ReadLine() to read all the lines, then for each line I would do a .split() and then from resulting array I would read a value at a certain index of the array. Now if you are working with files of that big size its gonna take a ...Show All

• newuseroverhere Online artwork design

  I am developing a system which enable user to customise artwork. The tool i use is ASP.NET. I would like to know if I need a component to do that in dot net. The system accepts texts, uploaded image by user and display the result on a graphic (JPEG). Firstly user can select one of the templates and then input texts and upload image. User can change the fonts, colors, position of the text. After updating the system would show the output on gra ...Show All