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Someone please give me some idea to solve this question ? Should I use Interface or I can use only Heritage ? Write classes implementing the management industrial tools: * Each one tools can be started, stopped or be stopped urgently. * There are three families of tools : 1. …

Hello, I have a application created in windows using c# language. Now my client wants to run the executable file on the centOS server. Do you have idea on how to run my executable file into centOS server?..please help me. I appriciate some suggestion. Regards!

I created a program with twoo projets like Client and Server. To open a form in a button click with one prject goes like following: private void buttonOpenForm_Click(object sender, EventArgs e) { Form2 frmForm2 = new Form2(); frmForm2.Show(); } If I'm calling the Form2 from Server project, I don't know …

All, I am using lock() to try and sync threads writing to the same file, but my threads are still stepping on one another. Can anyone tell me why this doesn't work and how to fix it? Here is some sample code. In the real program the writes are very …

I have noticed that when I install a new .NET program (using msi file) on a slow computer, this program needs a lot of time for its first execution. Once the first run is done, if I restart the same program, execution time is normal (even after restarting the computer). …

word = textBox1.Text; Process myprocess = new Process(); myprocess.StartInfo.FileName = @"C:\Users\Public\Desktop\Cambridge Advanced Learner's Dictionary - 3rd Edition.lnk"; myprocess.Start(); I'm trying to automate a 3rd party app using c# code. I know how to invoke the main window of the app through code using something like this.. but I dont know …

hi all add button coding rec.Gender = gender.SelectedValue.ToString(); rec.Martial_status= martial.SelectedValue.ToString(); when i run the code the following error occur in gender Object reference not set to an instance of an object

When the 'Read' button is clicked the user will be asked to open a text file (using a dialog box) that contains comma delimited float/double type data and read the data. The file will contain multiple lines of data with each line containing comma-delimited data ending in a carriage-return/linefeed (Enter …

Hey everybody, I have a project(network programming) about simple application of load balancing in win form c#, so who have a simple, example or can guide about it, please help me, I'm very hurry, thank for help very much.

Hi, I wonder how it would be possible to set a "string" in another application. I know the "MainWindowTitle" as my code goes below but I dont know how to set the text in one textBox that exists there. The thing I have to start with is the below but …

Im new to C# and I only want to know how to set an objects tag to a number for example button a= new button(); a.parent=this; ... a.tag=12; (but it says it must be an object and I dont want to pass an object to it , any int to …

How do I check if a certain IP address is online and get its current location in c#

Hi, I have a special problem that I wonder how it could be possible to solve. I have 2 backgroundworkers that I know are, asynchronous events. I start the 2 backgroundworkers with the startButton. The workers have a loop with Thread.Sleep(1). With the setFlagButton, I set the variable like this: …

I am a fifth year student and I want the idea of a graduation project in the field of programming and design Either software or Web THANKS...

I am Creating Attendance windows form I have two lables 1-current time 2- time i fixed ie 8:00:00am.i want if student came to school before 5 minutes It show message you came before 5minutes and if student came after time 5 minutes late it show student came 5 minutes late …

Hi, does anyone know how to add date validation? This is what I currently have: using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; namespace Calculate_reservation_totals { public partial class CalReservationTotals : Form { public CalReservationTotals() { InitializeComponent(); } private void CalReservationTotals_Load(object sender, …

I have two forms that share data between eachother. 1. In Designer view of Form2 I establish a public variable. public bool isMyFormValid 2. When I attempt to access the variable in Form1 like this... if (Form2.isMyFormValid = true) { //do this} C Sharp no likey... I get this message: …

hi, so i have a question relating to sending data in a sequence. i have a class evenvent that reads the data from a txt file. that class has to send data to 2 comunication line async and sync. data sent to async is for ex: 'new' . data that …

Hi I am working on a project where i am using open source files. I am getting error ' Starting a second message loop on a single thread is not valid operation'. First I changed Application.Run to Form.ShowDialog but still I am having same issue. Other thread (Application.Run) is in …

Hi, I have an unusual ship 'game' in which I am supposed to code for some of the ship's movements against a sine wave. Given only the ship speed, wave period and amplitude (no wave length!), in a scenario where the ship and wave are travelling in the same direction, …