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c#backgroundworker

How to run BackgroundWorker process inside forloop for each interation?


How do I work my code properly in each and every loop ?

Original code which executes only once works perfect-

Form1.cs

private void CreateUserClick(object sender, RoutedEventArgs e)       
    {

            User parameters = new User
            {
                user = UserTextBox.Text + i,                         
            };


            DataWorkers.InitiateWork(sender, DataWorkers.CreateUserWorker, parameters);
        }
    }

code change to work for execute CreateUserWork 5 times in forloop which will save username

Form1.cs

private void CreateUserClick(object sender, RoutedEventArgs e)       
{
    for (int i = 0; i < 5; i++)
    {                    
        User parameters = new User
        {
            user = UserTextBox.Text + i,                         
        };

        BackgroundWorker CreateUserWorker = new BackgroundWorker();

        CreateUserWorker.DoWork += new DoWorkEventHandler(Workers.CreateUserWork);

        DataWorkers.InitiateWork(sender, DataWorkers.CreateUserWorker, parameters);
    }
}

DataWorkers.cs

public class DataWorkers
{
    public static readonly BackgroundWorker CreateUserWorker = new BackgroundWorker();

    public static void StartUpLogic()
    {
        CreateAccountWorker.DoWork += CreateUserWork;
    }

    public static void InitiateWork(
        object sender,
        BackgroundWorker worker,
        WorkerParameters parameters = null)
    {
        StaticElements.InvokerButtons[worker] = new InvokerButton(sender);

        StaticElements.InvokerButtons[worker].Button.IsEnabled = false;
        StaticElements.InvokerButtons[worker].Button.Content = "Wait...";

        worker.RunWorkerAsync(parameters);
    }
}

public static void CreateUserWork(object sender, DoWorkEventArgs e)
        {
//create new user
}

Suggest me correct change.


Solution

  • Try to resolve this without background worker.

    private async void CreateUserClick(object sender, RoutedEventArgs e)
    {
        for (int i = 0; i < 5; i++)
        {
            User parameters = new User
            {
                user = UserTextBox.Text + i,
            };
    
            await Task.Run(()=>CreateUserWork(parameters));
        }
    }
    

    where

    CreateUserWork(User parameters)
    { 
     // your saving stuff
    }