8,298 Topics
 | |
| | Hello, In order to introduce myself to C# and, in particular, Visual C# I decided to make a small program with 'windows forms'. At the moment I have some questions: 1) Im using a grid (dataGridView). I'd like a menuStrip (I dont know if is exacly that component) to appear … |
| | |
| | Hi! I have a grayscale image in my pictureBox. I want to box up the white pixels in the image using the rectangle. Can anyone teach me how to write the code. Thanks in advance .. Best regards,  |
| | I have created a windows application using C#. the problem is fairly simple. I doono how to refer to the Application path in c#. In Vb we can use App.path to refer to the Application path My C# code for opening a report is as [code=c#] public partial class frmSpaBill … |
| | Hello, I am writing a C++ program to find the largest such number such that the square root of that number is less than or equal to a fixed number, set by me, like this: [code=c++] #include <stdio.h> #include <math.h> int main (void) { long fixed, param, result; result = … |
| | i need login code in my project. in my project two different category of user one is administrator and other is data operator. both have to redirect different page after login. my problem is that how to login the both user on different page . |
| | Hi, My Dear Friends i have Develop a Inventory System in C#, now i want to print the Reports, But there is no link for Crystal Report in C# Express 2008... Please any body tell me that what should i do to get the crystal Report to print out the … |
| | I am trying to accomplish a Master Detail Display here. The master item is ProductName and Child items are the details of the Product. Example: Dell Desktop V305 - Model: Black - 23877487y24y - Mother Board - Intel .... - RAM - 3 GB DDR HP Printer - Ink Jet … |
 | Hello, as promised I updated my stod-function from [URL="http://www.daniweb.com/code/snippet1147.html"]this[/URL] thread ... Enjoy ! |
| | Hello there, I've written a C++ function 'stod', which converts a C++ string to a double ... You're free to use this code for EVERYTHING you want ... There's only one thing which I'm not appreciating: [B][COLOR="Red"]It's not allowed to sell this source code to anyone ![/COLOR][/B] The usage is … |
 | Although there is little need for any sort algorithm in C#. Every collection class has a sort method, so why would you wanna write one for yourself? My guess to learn and see how it is done. Well her are implementations of two popular sorts. The arrays are integer but … |
| | Visual Studio is a great tool to use. But for beginners like me a few years back, it was a bit overwhelming and confusing. You got the feeling you lost all the control. VS has it’s special ways of doing things with partial classes and so on. So lets get … |
| | Encryption has many issues. It can be very simple or very complex. I personally don’t have that many secrets, but when the company I worked for wanted to encrypt something I used the following : XOR ! What is nice about xor is that you can use the same method …  |
| | Class to convert between Celcius, Fahrenheit and Kelvin temperatures. Set one temperature and automatically get the other two. This class makes use of properties. See the code snippet for details. A short main program is added to exercise the Temperature class by printing a conversion table between celsius and fahrenheit. |
| | If you ever want to get information about files stored in a particular map or directory, you can find out how it is done here. With a little modification you could turn this snippet into a DOS DIR-command or a UNIX(LINUX?) ls-command. |
| | [TEX]Solve an equation of the form Ax^2 + Bx + C = 0.[/TEX] The class is commented, but if you have any questions don't be affraid to ask. You may exercise this class in a console application with the following snippet : [CODE]QuadraticEquation z = new QuadraticEquation(1, 3, 3); z.Solve(); … |
 | [B]Sometimes it is good to sit back and reflect on life[/B]. More specifically, you can sit back and reflect on yourself. Often you will discover information that you didn’t realize about yourself. [B]it is possible to have a C# program reflect upon itself.[/B] You can use such reflection to learn … |
| | [B]Introduction[/B] We can use Microsoft SOAP protocol to transfer any files between client and server.It's easy through firewall and also it cross flatform. [B]Background[/B] I was going to develop an mobile software on pocket pc,but I found there were tiny resouces to use on mobile operating system.finally,I was finding Web … |
| | [B]Introduction[/B] We can use INI file to auto generate the database connection string. [B]Background[/B] It can be used in Webform and winForm.  |
| | Serialization is the process of saving the state of an object into persistant medium. BinaryFormatter class is used for serializing and deserializing an object. HybridDictionary is optimized for key-based item retrieval from both small and large collections. |
| | Though .Net classes are vast and versatile at time you will have to resort to Win32 API calls for accomplishing certain tasks. The following code shows a simple example of invoking a Win32 api. The best way to use Win32 apis is to encapsulate it in a class module. The … |
| | TreeView was one of my favourite control in COM. It is well suited for creating Chart of Accounts, Hierarchical data and the like. Though there is a tree view in .Net I find it less flexible in comparison to COM TreeView. The issue with using COM TreeView in C# is … |
 | A short C# code snippet to get the US Naval Observatory Master Clock Time from: [URL]http://tycho.usno.navy.mil/cgi-bin/timer.pl[/URL] The snippet displays the raw HTML code with the time infomation and then extracts one specific US time zone.  |
| | Just a quick look at the way C# writes and reads text files.  |
| | C# has two types of strings, one is immutable and the other, the class StringBuilder, is mutable (dynamic). I just wanted to hang a short code snippet out there to show you some of the typical operations. |
| | I followed Lardmeister's smart hints about creating templates with VC# 2003 and using SnippetCompiler.exe to write and test the rest of the program. It also allows you to build the executable (only 7k in size). The algorithm is from one of my Python snippets I wrote a long time ago. …  |
 | The following is a simple painting program. It uses Windows Forms and will allow you to draw whatever you want. You can also include code to change the colour or size of the brush via a right click menu by using code such as this: [CODE] MenuItem mi = new … |
| | This code snippet actually contains a few nifty things. There are two functions, hasVisited() and main(). hasVisited() makes use of a very handy function for CGI programmers: getenv. You can see I use it to retrieve REMOTE_ADDR which is the person's IP address. In main() it gets the count from …  |
 | --- Basic Datatypes --- --- Form Management --- --- Data Access --- --- Component model --- |
| | Remember the Spirograph? It used geared circles to create some rather artistic geometric designs. This program uses triangles to follow in the Spirograph's foot steps. The math is rather simple, just a couple of sine and cosine functions, also the ubiquitous for loops, everything wrapped up in the using() statement. … |
| | Many moons ago I wrote a Delphi program that could tell the exact character in a ListBox, as you clicked on it with a mouse. I found a little info on the NET that lets you get at least the item in a ListBox using C#. I made it work … |
| | Shows a basic way to create a form with a wallpaper image on it. Also shows how to add a transparent label to blend in with the wallpaper. Getting the label to be transparent wasn't all that commodious! The wallpaper is generated using a texture brush and bitmap image. The … |
| | Sooner or later a Csharp snippet had to appear. This one builds a form containing a set of buttons. A bitmap drawing area is used to draw a series of circles with random color, radius and center location. Your creation can be saved as a jpeg image file. You can … |
| | Hey all! I've been learning C++ like about over one month actively now and I am keen on the language. I am considering to buy a book, suitable for beginner, as criteria I want writer to know what about he/she writes and explain all clearly and understandably by beginners. I … |
| | I am trying to accomplish a Master Detail Display here. The master item is ProductName and Child items are the details of the Product. Example: Dell Desktop V305 - Model: Black - 23877487y24y - Mother Board - Intel .... - RAM - 3 GB DDR HP Printer - Ink Jet … |
| | I am a new C++ user with emacs. Our Prof. wanted us to create a prog. which basically write the positive which is entering ascending order. I can do the ascending order program but he wanted us to make user prompt to enter the number in ascending order. The user … |
| | Helo, If tcp connection with server is lost, should program close current socket with close(socket_fd) and then use connect(....) again, or use same socket to reconnect with connect(....)? Or when connection is lost current socket is destroyed automatically?  |
| | Hi all, I am novice in the c #. Having completed the Application contains SQL database. But when I run on another machine gives me an error message as follows: [url]http://img103.herosh.com/2009/09/02/819895428.jpg[/url] Please note that I have the installation of the .net framework, And the connection string I used is: SqlConnection … |
| | Hi all, I am using .net framework 3.5 by using C# to configure outlook 2007 I need to import all categories from outlook 2007 to my application particularly on dropdownlist, i want to listed all the categories from outlook to one combobox in my application, i don't know how to … |
| | I have a DX scrolling banner running at the bottom of the desktop. The banner renders, as its backbround, anything beneath it. The problem is that if the background is renewed, I get a copy of the scrolling banner as its own background, even though I've made it invisible before … |
 | hi, i'm beginner in c++ and i'm using SDL with it, i started with beginner SDL tutorial, the 1st lesson learning me how setup SDL, i don't understand some steps from step 11 to 13, i hope some guides this a link: [url]http://lazyfoo.net/SDL_tutorials/lesson01/windows/msvsnet0508e/index.php[/url] regards iammfa  |
| | I'm using a new book this semester for my datastructures class and apart from the bad writing, he has come pretty confusing exercise questions. I do not need code, just to know what he is referring to. [QUOTE]Write a template function count that returns the number of occurrences of value …  |
| | Hey, I found a cool class online for finding certain colors in a designated rectangle around your mouse position. Its optimised for speed, and supposedly works, but when I try compiling it I get around 32 errors. Heres the code [code] public static Point PixelSearch(Rectangle rect, int PixelColor, int Shade_Variation) … |
| | [COLOR="Red"][I][/I][/COLOR] hiiiiiiiiiii ds is kiran as a software tester i`m changing my platform to dot net i need ur help how to get a job in Malaysia and pls support me plsss |
| | Hi, I am extremly new to C# and whilst I have a basic understanding some of the more complex answers require ample explaining. What i am trying to do is use data stored in an microsoft access database and also write to it from the c# program, i do not …  |
| | |
| | How would I be able to find a certain pixel on any screen under a certain RGB, and then get its x y coordinants? Thank you! |
| | I have a class (NamedPipeManager) which has a thread (PipeThread) that waits for a NamedPipe connection using (ConnectNamedPipe) and then reads (ReadFile) - these are blocking calls (not-overlapped) - however there comes a point when I want to unblock them - for example when the calling class tries to stop … |
| | Urgent Help needed, I am updating an access database using C#. Everything works fine except when there are multlines in text box controls, update command doesnot update these textboxes to text field or memo field. On screen I have a grid from the same datasource as that of the textbox … |
| | Hi everybody, I'm an engineering student. Hee i would like to discuss about some basic and simple C++ interviews questions. I thnk the persons interested in it will participate. Ok can i ask one question? What are the differences between C language and C++ language? |
The End.