You guys are a great resource for learners such as I. I have seen the way that you go over and above in explaining even the most mudane things to beginners, and I think it is a great thing that you do here. I only hope that you can help me understand how a certain type of application works....more >>

Complete newbie at C#. Class below stripped for brevity. How do I return a private "Status" from a public method? I may need a set/get but I don't know how to do that on an enum. Thank you. public class SomeClass { private enum Status {OK , NOK, UNK}; public Status check_s...more >>

Hi everyone, I've run into another road block that google.com isn't able to solve since I don't even know where to start when searching. In my webapp, a certain number of table rows containing textboxes is displayed depending on a number chosen by the user. For example, if the user chooses...more >>

I have two managed windows applications A and B. Both have their own config files. Application A invokes application B thru process start. However, since B runs in A's context, B starts up and reads A's configuration file instead of it's own. I didn't even realize that this was possible. To...more >>

Let's say I have a Person class with a private int age member variable. I have a get and set accessor for the Age property. When I am running the code in debug mode, I would like to have a debug window show me the value of age (rather than the value of the Age property). Is there a way to do t...more >>

I am using C# Express. Is there a way to set it to show line numbers in the code? Thanks! ...more >>

People, I want to do same things with a progress bar but I don't know how. So, how do I change it to make it a solid bar, not a step byt step as the default? And how do I make it a vertical bar? Also, how do I put a progress bar withing a button? TIA, Scirious. ...more >>

I have a VB 5 program that computes an MD5HASH on a file. I can get the same number using Microsoft FCIV. But this code does not. ( What more should I do to get the file's hash as the legacy and MS FCIV tool ?? In my attempts at code I get the file length and then convert that to a strin...more >>

Is there a way to get ticks from a the system without using the DateTime.Ticks (there isn't a watch in the hardware so it doesn't work)? The Thread.Sleep(x) works well so where does it get its information from? Thanks Ole ...more >>

Hello All, I just created my first user control in VS 2005, it consists of a TabControl with two pages, and several textboxes and labels on each page, I built it, and added it to my toolbox, however !, having placed the control on a form, I can't access any of the controls within it ?, is this n...more >>

Hi, Does anyone know how Control.Invoke can invoke a method which has ref parameters? For example, class A { public delegate MyFuncHandler(ref int i, ref int j); public void MyFunc(ref int i, ref int j) { .. } public A public void MyCaller(DataGridView oDataG...more >>

Is it possible to find object in array with specific property value? Just like dataset filter? Thanks! ...more >>

Hello, I am learning C#.NET and I donst understand difference between meaning and usage of "readonly" and "const" keywords. Could you explain me please. Thank you /RAM/...more >>

I am writing a class that will do some binary file IO. The class will need to read a header from the binary file, and it will also need to read a varying number of records in the file. I currently have two main methods: Open(string FilePath) and Close(). I would like to read all of the data into...more >>

What happens if I pass the assembly-qualified name of some type to "System.Type.GetType()" where the name I pass originates from another machine. For instance, for a standard button control, what if I invoke: Type.GetType("System.Windows.Forms.Button, System.Windows.Forms, Version=2.0.0.0, ...more >>

Does anyone know of a .net class that allows for non-sequential reading of binary files? It would offer a Seek() function or something similar. The BinaryReader appears to only read forward from the beginning of the data (much like the SqlDataReader does). Any suggestions? ...more >>

when creating JS for client side and I use StringBuilder.AppendFormat to add some args to a dynamic string. I can't use the { or } to open and close JS methods on the .AppendFormat line though i can do it on .Append How do i escape { and } ex: sb.AppendFormat("function {0}(source, ...more >>

If I have a string representation of a property such as "MyObject.SomeProperty", how would I then create a "MyObject" object and invoke "SomeProperty". Any assistance would be appreciated. Thanks. ...more >>

Hello I'm trying to get a single line removed from a text file using a search pattern (pretty simple: if line contains "NODE1") -> remove line). To achieve this I's like to operate with only the original file and no temp file since the file is 1. on a network resource 2. pretty big 3. accesse...more >>

Hi. Quick question: - I have a class with fields. There is one method that modifies them. in this method I have something like lock (this.lockObject) { /// throwing exception here... } My quetion is, if an exception is thrown within the lock block, will the lock be released or w...more >>

I've been looking around for ways to sort the rows in a DataTable, and everything seems to point to just changing the Sort property on that DataTable's DefaultView property. That's all well and good for viewing it sorted, but I need it to actually _be_ sorted, and testing seems to show that...more >>

Hi, I can't find a solution to this, so I've brought it to the experts. Using reflection I can get a MethodInfo object pointing at an assembly's method. Where I have a MethodInfo object pointing at a function, say func(int p1, ref int p2), how do I read p2 after a successful invocation? I'v...more >>

Is there a way to get the logged in user and if the user id does not match mine to log them out? I'm going on vacation for 2 weeks, and my co-workers are pranksters, so if they log into my pc to do whatever, I want to kick them out right away. ...more >>

Using the settings editor I am trying to add a setting whose type is a custom type. In a first approach I tried a class marked as [Serializable]. But then when I try to get the property the way shown bellow I get null returned. MyProperties prop = Properties.Settings.Default.MyProp Assuming...more >>

Hello, I need to be able to read a binary file that contains fields written in BOTH big endian and little endian byte orders. I am currently unable to read the big endian fields (erroneous values because of the different byte orders). I am currently using FileStream and BinaryReader objects...more >>

I have a Windows application that previously had the company logo "MyCompany.ico" added to the upper left-most corner. The company has since issued a new version of "MyCompany.ico" that looks completely different. I overwrote the old ico file with the new ico file and re-ran the program. I ...more >>

How can I call my javascript from within my C# "IF" statement? I have a function called dirError() that only displays an alert: function dirError() { alert('Bad directory'); } From my C# code, I want to do this: if (fileEntries.Length <= 0) { //CALL javaScript function dirError ...more >>

Hi NG ! I used the examples on the internet to create a Impersonate class which allows me to log on as another user. After logged on as the new user I could access files on a remote computer, which is in the same domain. So I tried the same on a computer which is not in the same domain. I could...more >>

Hi, I have sql updates that I need to apply to the new version of my application. This is a text file with bunch of updates like new tables, stored procedures, etc. I can run this file on sql query analyzer to apply all the updates at once. This has bunch of "GO"s to seperate different st...more >>

I'm afraid that I've not done anything with mail for over 10 years. Back then it was C and Mapi. My boss wants me to display unread messages in the mailbox on our intranet site. I'm writing this in C#. I asked him for his pop3 address and he said that we are using Exchange and haven't turned o...more >>

I hace a function that needs to return two integers. I know that objects can be passed by reference and updated in a function. Can I do the same thing with primitive value type parameters? -- Arne Garvander (I program VB.Net for fun and C# to get paid.)...more >>

Hi, In our C# windows application, if we build up a SqlCommand array, saying TestCommand [20]. And in the SqlCommand array, later on we try each TestCommand[0], ..., TestCommand[19], by testing the TestCommand[i].Transaction, TestCommand[i].ExecuteNonQuery(). Will this cause problems in ou...more >>

How do I compare two byte arrays in a if statement? Thanks Ole ...more >>

Can anyone give me hints on how to do this? I need to have a single column in a dataviewgrid whose cells can be set to either a combo box, a text edit or a check box, different for each row of the grid. -- "I have nothing but the greatest respect for other peoples' crackpot beliefs"...more >>

I can't get the sense of the ReadTimeout property in the serial port - what is the function of it? the serialport.Read returns immediately no matter how many bytes you ask it to read and no matter what ReadTimeout is set to???? Thanks Ole ...more >>

Hello, does anybody has a list or link for the shortcuts that are being used in csharpbuilder 2003? thank u very much best regards, dennis ...more >>