Backgroundworker won't report progress

Question

I have a background worker running a long database task. i want to show the progress bar while the task is running. Somehow the background worker won\'t report the progres

Answer 1

You need to call worker.ReportProgress(percentComplete) in your DoWork method. percentComplete should be computed based on the total work. For example:

for(int i =0; i != 100; i++) {
    // do something
    worker.ReportProgress(i);
}

Sometimes it is difficult to partition a job in several chunks to be possible to report the progress. Unfortunately the BackgroundWorker does not solve this, you have to do it yourself.