Much to my surprised the code below compiled and ran. I just don't know enough about threading to know for sure if this is too good to be true. I'm attempting to isolate the Hashtable lock to "row level", the whys aren't important at this time. Does this code actually do what I want? using...more >>

I m working on a MDI application. Here on the parent form I had two variables declared as public int curUserID = 0, ViewUserID = 1; the form is inherited by the "Form" class. I m using these variables on all the other forms. But this gives the warning - "Accessing a member on 'LabTest.frmS...more >>

I'm trying to use HTTPWebRequest to POST data to a website using multipart/form-data. It's HTTPS, and it returns a response object with -1 ContentLength. Any help would be appreciated! Below is my code: private string HTTPPost(string URI, string Parameters) { System...more >>

Hello, I am developing an application in C# using VS .NET 2005 that will be accessing and updating Active Directory via LDAP. So, far I have written the main portions, but now I am stuck on the code to CHANGE and ADD/DELETE entries. I'm pretty sure my problem is security relat...more >>

Hi, I'm using VS2005, .net 2.0 and created a stand-alone windows application. I need to connect to Unix server on the network to read in a couple of files from it. I also am required to provide the user with all those protocols and FTP for user to select. I found a FTPWebRequest class for ....more >>

Shot in the dark, since I know C# doesn't have macros, and thus can't have a stringizer operator, but I know that you can get the name of enums as strings, so maybe you can do the same with an ordinary variable (like an int) somehow. Is it possible? int.ToString() returns the value of the int ...more >>

I deal with a bunch of exception handlers by calling a function that writes the info to a log file. Of course, this takes in Exception, so I can pass it any exception class. But, it'd be great if somehow I could state what the type of the exception it was. I do know that I cannot really make ...more >>

Hi Is it possible to convert 2 char values to an integer and be able to reverse it? I'm sure there must be some algorithm to achive this. Any ideas? Thanks Kev ...more >>

Is it considered good practice to perform a switch operation on nullable types ? ...more >>

This is what I mean: I have the an enumerable object (implements IEnumerable => GetEnumerator() method) and I would like to find out what types underly this enumerable object. For example, if I have the following: int[] numbers = new int[] {1,2,3} I can do this: foreach(int number in num...more >>

On this link http://msdn2.microsoft.com/en-us/library/aa984464(VS.71).aspx, i tried this tutorial and it lists the following steps: Next you will add the output from the Windows Service project, MyNewService.exe, to the setup. To add MyNewService.exe to the setup project 1. In Solut...more >>

Right after InitializeComponent() is run, I do some error checking... when an (very bad) error occurs I show it to the user and I want to close down the application. QUESTION: How do I close the application down? I am assuming I can do it nearly right after InitializeComponent() is run, in t...more >>

I have this object o = ds.Tables[0].Rows[i].ItemArray[j]; the item read from my dataset is null. I check on the next line : if(o!= null) //then do something My prob is the object o is getting passed that if statement then i crash, in debug it shows it with a value of {}. So wha...more >>

I have a simple .bat file (TESTMAIN.bat): "C:\fo.bat" -xml "C:\07.xml" -xsl "C:\fo.xsl" "c:\output.pdf" I call this using C#: System.Diagnostics.Process p = new System.Diagnostics.Process(); p.StartInfo.FileName =@"c:\TESTMAIN.bat"; But I want to remove the hardcoded parameters ("C:\07.xml...more >>

I have deployed a .NET 2 application on a customer's system. I'm trying to use the .NET 1.1 configuration tool to load the assembly but I always get an 'unable to load assembly" message. What is causing this? Thank you, Gary ...more >>

I need to initialize data to be stored in a static class (for all my code to see), but I'm lost on how to do so. If I use the class constructor, what if it fails? I am reading it information from files that (could potentially) not exist. If it throws an exception, it could be thrown wherever...more >>

In my Windows app, I want to keep track of previous "screens" visited (like a browser does in a web app). On some screens (e.g. Employee Detail), there would be an EmployeeID to retain to retrieve not just thayt they were on the Employee Detail screen, but that they were looking at Jane Smith...more >>

I need to write some c# code to get the last automatically generated sequence number from an Oracle database. Can anyone provide an example. tia, chance. ...more >>

Hi, I'm trying to archive orginal records, so what I am trying to do is upon saving the changed record also writing the orginal record version to a different table. The problem I'm having is that the DataTable.ImportRow does not accept a datarowview as a parameter. My code is below, can s...more >>

I'm trying to sign my assembly so that I can use the caspol.exe tool to create a permissions set for it. This is my first experience signing the assembly. In VS 2005 I went to properties->signing, checked the "sign the assemply" box, clicked the "new" option, typed in a name and password. Now...more >>

Hi, 1) I want to hone my problem solving skills and be good at logic. How do I achieve this? 2) Where can I find c# puzzles or c# algorithms. 3) How do I print the values of a N X N matrix using c#. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 How do I prin...more >>

Hello All, I am sure that I am just overlooking something, but here's something I can't quite get right... I want to be able to get the value of a parameter of an unknown custom attribute at runtime. All of the examples I have seen use casting of known custom attributes to get these val...more >>

hi I want to use ContextMenuStrip .For that i use show() method.i can not bind it as control.ContextMenuStrip= menu; becouse its automatically comes on right mouse down. So i am using menu.show() .method. this method use parameter as point which is repect to screen . How i can get mouse pos...more >>

Hi, I would like to run few lines of code and limit the time. If the procedure would not be finished say in 1000ms I would like to stop processing it. Unfortunately I do not know where to begin to find resources how to do it. Thanks -- Martin ...more >>

I have a win app. this a form with a button. after pressing the button a new form is shown. when looading the form is being filled by data taken from a database. the problem is that it takes a few seconds, so a user has to wait a long time. i want to do something like that - when you have pres...more >>

Hi, disassembling following expression I noticed that the implicit conversion between int and decimal appears to be performed at runtime. Why? TIA, Axel Dahmen void Main() { decimal a=1.2m, b; b = a + 0; }...more >>

Hi All, this issue curious me for long time. Any one knows why Microsoft didn't allow to different access modifier for set and get? To be more specific, why didn't they allow us to do it like this? static string CSVFileName { public get { return _CSVFileName; } private set { _CSV...more >>

I need to know the size, in bytes, of System.Drawing.Color. In general; how to get the size of managed object of class instance and of class type? -- Thanks Sharon...more >>

I'm trying to build a wrapper but the pointer gives me a hard time. the C code: typedef enum { MANYMOUSE_EVENT_ABSMOTION = 0, MANYMOUSE_EVENT_RELMOTION, MANYMOUSE_EVENT_BUTTON, MANYMOUSE_EVENT_SCROLL, MANYMOUSE_EVENT_DISCONNECT, MANYMOUSE_EVENT_MAX } ManyMouseEv...more >>

Hi all, Why am I getting a null value to the InnerException object? namespace InnerException { class D { public static int Divide(int i, int j) { if (j == 0) throw new DivideByZeroException("Division by zero is forbidden."); ...more >>

Hi , >From what I remember, in Java if you give a System.Out.Println statement for a website, the webserver will send the output the server output window. Is there any such provision in .net where, say using my Console.Writeline I can print to the Debugger Output ? Thanks ! ...more >>

http://www.auratius.co.za/CSharpCodingStandards.html Complete CSharp Coding Standards 1. Naming Conventions and Styles 2. Coding Practices 3. Project Settings and Project Structure 4. Framework-Specific Guidelines Naming Conventions and Styles Use Pascal casing for type and method names...more >>

Hi, I have a comma seperated file which I use to store data, and a simplified version of it looks like this - TestPeriod1 , , ,TestTime , 55 ,TestAction , , Phase1 , Phase2 ,RunTest , ...more >>

Hello all, I am trying to develop an application which will run as a windows service. The application should have Normal options available with service like start, stop and pause but along with this I need an option to show the windows application which my service has started as a re...more >>

I'm using a Bitmap that has a palette of 256 colors (256 bytes). I'm taking the Bitmap data by: System.Drawing.Imaging.BitmapData refData = myBitmap.LockBits(new Rectangle(0, 0, bmp.Width, bmp.Height), System.Drawing.Imaging.ImageLockMode.WriteOnly, bmp.PixelFormat); byte* buff = refData....more >>

Is there any way to get raw disk access in C#? e.g. get the first XX bytes from drive0, partition1 starting from byte YYY? (something like the dd command in Unix maybe?) If I have to use P/Invoke can anyone tell me what libraries are needed? Thanks. ...more >>

I have the following code System.Data.SqlTypes.SqlBytes bytes = reader.GetSqlBytes(columnIndex); MemoryStream ms = new MemoryStream(bytes.Buffer); My question is will the Buffer property of SqlBytes reliable get all the data from the bytes retreived from the GetSqlBytes function. It seems...more >>

I have created this example in sqlexpress ALTER PROCEDURE [dbo].[gettaxbracket] @annualtax FLOAT AS BEGIN SELECT begin1,end1,deductedamount,pecentageextra FROM tax WHERE @annualtax BETWEEN begin1 AND end1 END can u please tell me how to gain access to the @annualtax parameter in C#. ...more >>

Hi guys, This is related to one of my previous posts, but I felt I deserved a new post. Is there any way to debug my HttpHandler class ? From what I understand, the handler class is compiled and it is the assembly file ( .dll file ) which is used for the handling. I have not actually/ manu...more >>

Dear readers, Before poorly reinventing the wheel I thought I would ask if a class already exists. I need to use a circular byte buffer that is thread safe. I cannot use MSMQ, my regular choice, due to complicated reasons - don't go there. This must be pretty common, so any suggestions...more >>

Hi, I currently use ArrayList to store a set of objects all of which have the same type. The reason I use ArrayList is because it allows me Add new items to the array. Should I be using something other than ArrayList to serve this purpose? Its just that i have to cast my objects each time I a...more >>

Hi all, This post is sort of tangentially related to my earlier posts on configuration files for DLLs. Does anyone know how to create typed DataSets using VS2005's new DataSet designer, but with the ability to configure the connection string via a config file? The designer seems to hard...more >>

Hi, I am using property like this.. private DateTime? _propName; public DateTime? PropName { get { return _propName; } set { _propName = value; } } Now, the objects of this properties parent Type are shown in a grid in our application. This date is populated when user does...more >>

Hi all, We have a "testing report" form at work that we fill with data (typing for now). The form has a table, other lines and a company logo. I can make a windows form that will get the data from the user (although eventually it will need to be read from a serial port) and generate a print...more >>

Hi everyone, I've got a program which sends UDP data which works perfectly on my PC but not on my laptop. The problem experienced is that sometimes on the laptop packets that I send just dissapear. There is no error, but they do not appear on any of the networks I have. After some testing ...more >>