private void backgroundWorker1_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
        {
            this.Opacity = 1;
            myProgressDialog.Dispose();
            if ((bool)e.Result)
            {
                listupdateView = new ListControl_PlacementStatus(this, studentListCopy);
                panel_main.Controls.Clear();
                panel_main.Controls.Add(listupdateView);
            }
            else
            {
                Dialog_MyMessageBox.Show(Constant.REQUEST_UNPROCESSED, 1, UiColors.MESSAGE_ERROR);
            }

            pictureBox_home.Enabled = true;
        }
        private void searchDetails()
        {
            if (!Utility.isNetworkAvailable())
            {
                Dialog_MyMessageBox.Show(Validations.VALIDATION_NO_NETWORK, 1, UiColors.MESSAGE_ERROR);
            }
            else
            {
                string searchKey = textBox_search.Text;
                if (!string.IsNullOrWhiteSpace(searchKey))
                {
                    studentList    = studentManager.loadStudentDetailsBySearchKey(searchKey);
                    listupdateView = new ListControl_PlacementStatus(this, studentList);

                    panel_main.Controls.Clear();
                    panel_main.Controls.Add(listupdateView);
                }
            }
        }