private void refreshPermissionsButton_Click(object sender, EventArgs e)
 {
     if (this.Content.Job.Id == Guid.Empty)
     {
         MessageBox.Show("You have to upload the Job first before you can share it.", "HeuristicLab Hive Job Manager", MessageBoxButtons.OK, MessageBoxIcon.Information);
     }
     else
     {
         hiveExperimentPermissionListView.Content = HiveClient.GetJobPermissions(this.Content.Job.Id);
     }
 }