C# / C Sharp Forum

Hi All I am facing a problem . please help me out by identifying which datastructure wud suffice my problem: I have a table which has 5 columns:comp,state,numb,CRB,environ now from the front end i get 2 vaues comp and sates code.. on the basis of this i have to retrieve the rest 3 but mind it tht comp code and state code r not unique..how...

I have a hex editor-type class that extends UserControl and paints its data to a PictureBox. Basically the problem is that repainting it takes usually between 60 and 80ms, which may seem pretty fast but is not good enough when you have to repaint very frequently. For example, when you scroll the control or select blocks of text quickly. I...

Ok, I've heard all about reflection. How do I print out the results for all the properties on this object: System.Reflection.Assembly.GetExecutingAssembly().GetName() I don't want a list of properties, but a list of values for the properties. Thanks -- Frank

what's the mean this article..please null == ldnull(MSIL) /* Rationale: It might be thought that ldnull is redundant: why not use ldc.i4.0 or ldc.i8.0 instead? The answer is that ldnull provides a size-agnostic null -analogous to a ldc.i instruction, which does not exist. However, even if CIL were to include a ldc.i instruction it would...

If I have a class with a virtual method, and a child class that overrides the virtual method, and then I create an instance of the child class AS A base class... BaseClass bc = new ChildClass(); .... and then call the virtual method, why is it that the base class's method is called instead of the overridden method? How do I fix this if I...

Hi, Is it possible to get an EventHandler to be called outside of the class where a control is instantiated? For example, I would like to create a button at runtime and have it call a function in another class if it is clicked. Any hints would be greatly appreciated

i am looking for the fastest way to insert several 1000 trx int oracle. is there a faster way, then using a DataAdapter? is there a possibilty to execute a bulk load (or batchwise insert with transactionsize)? any suggestions? thanks a lot!! chris

In Delphi, I would use timeGetTime to measure the time something takes. But how can I do that in C#? -- Ramona

How do I read, write a file binary? I want to open, say, file.exe read it in to the program, then write it out to file2.exe. Like file copy, anyone have a code sample?

Hi all, How to hide methods of interface? All the MSDN said it is not possible. I also did lots of tests, and got the same answer. However, I found there are some classes in .net framework did hide some properties of their interface. Look at the StringCollection for example. The StringCollection implement the IList interface. The IList...

Hi All, Did somebody see the situation when the VS refuses to debug the Web Service at all? I can't catch why, the initially created Web Service can be debugged very easy but after some changes in a source code, maybe the source code becomes bigger that some hidden threshold, the debugger can't enter into this code anymore. I can use this...

I need to do this in C#. How can I do it? Private Sub TestLocalEventHandler() Dim m_olApp As New Outlook.Application() AddHandler m_olApp.NewMail, AddressOf _ Me.EventHandlerNewMail RemoveHandler m_olApp.NewMail, AddressOf Me.EventHandlerNewMail End Sub

Can someone confirm if member object variable are set directly they are stored as copys of the object but if they are set using a property they are stored as references? For example, in the code below: Does the statement "textBox1 = textBox0;" make a copy of textBox0 and assign it to textBox0? Does the statement "TextBoxProperty =...

Hello, There is anybody who can tell me how to update a dataset through a webservice. I'm starting to program in c# but sincerely it is not very ease, there are a lot of books about stupid things but nothing complete and really serious. c# samples please Regards Maks Skinder

Hi! I'm writing a small application where i monitor a webpage that changes dynamically. I've been able to get the information out of the page that i want by accessing the DOM, but now i wan't to be able to update my app when the contents of the page change. I've tried listening to the DocumentComplete event and the NavigateComplete2 event...

I need to be able to parse both of these dates with the same method, and return them as a DateTime object. Is there any methods that would do this blindly or do I need to provide the format? Feb 25 23:11 Dec 1 2002

I've been gnawing at this problem for the past two days with little progress. My intent is to create a table or grid that looks and functions like the Properties window in Visual Studio.NET. I'm not sure if anyone has been able to accomplish this in a relatively non-trivial manner, but if someone has, please let me know. My deadline is...

Hello, I am developing a program which functions as a WYSIWYG for a special printer. This is an non-pcl printer which has it's own language. I already tapped into the winspool.drv to acces it directly an it worked. But nog I am having problem with GDI+. This can only use TrueType fonts and I only did manage to get my hands on the softfonts...

/* This test program will give a "Value cannot be null" error. If the lock in this code is removed (or Monitor.Enter()) the program will run as expected. I have found no explaination in lock() or Monitor.Enter() documentation as to why this occurs. I suspect that it is by design of the behind-the-scenes process that lock uses and is...

Hello, I have a DataTable in DataSet, this table contains columns of several types (including binary and image). I need to know how many data this table contains (in bytes). How should I compute it using ADO.NET?

I would like to create a static array of classes (or structs) to be used in populating name/value pairs in various WebForm drop down list boxes, but am not quite sure of the construct (or rather to use structs instead of classes in the array insofar as structs vs. classes appears to be controversial in C# -- with some recommending avoiding...

Hey, does anybody have a C# implementation of BEncoding? Or any langauge (besides php)? Thanks, Austin Ehlers

All of a sudden, I received this error the first time I went to my VS.net C# projects. It appears in the tasks box. Now Visual Studio won't let me see the properties of most web control items - the same error comes up in a message box. Most of my programs aren't that complex, and this error type isn't related to any logic I use! The only...

Hi All, I have a VC# project and there are many classess, methods etc etc I want to get a complete documentation of How many classess I have, which functions are called where. In other words I want to document the complete Workflow of my project. Is there any easy way or tool that will do that task for me?

how do u XML comment a namespace?