Progress Bar For Long Running Task In C#

My application runs some database queries that can take a long time. While executing these queries, my application appears to freeze and it looks like the application has stopeed w

Solution 1:

You may use BackgroundWorker() to solve this kind of problems.

First of all define a global variable of class BackgroundWorker() like

private BackgroundWorker bgw;

then use below code in starting of your query execution like button1_Click() event or anything.

bgw = newBackgroundWorker();
bgw.WorkerReportsProgress = true;
bgw.ProgressChanged += newProgressChangedEventHandler(bgw_ProgressChanged);
bgw.RunWorkerCompleted += newRunWorkerCompletedEventHandler(bgw_RunWorkerCompleted);
bgw.DoWork += newDoWorkEventHandler(bgw_DoWork);
bgw.RunWorkerAsync();

Now define the methods as below:

voidbgw_DoWork(object sender, DoWorkEventArgs e)
 {
  //Your time taking work. Here it's your data query method.CheckSsMissingDate();
 }

voidbgw_ProgressChanged(object sender, ProgressChangedEventArgs e)
 {
   //Progress bar.
   progressBar1.Value = e.ProgressPercentage;
 }

 voidbgw_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
  {
   //After completing the job.MessageBox.Show(@"Finished");
  }

Solution 2:

If you don't want your application to freeze,you should use the async/await keywords recently implemented in C#,or you could write your async code manually.

Reference : MSDN