private void button1_Click(object sender, EventArgs e) { try { using (OpenFileDialog op = new OpenFileDialog() { Filter = "CSV|*.csv", ValidateNames = true, Multiselect = false }) { if (op.ShowDialog() == DialogResult.OK) { EmployeeFacade.LoadAndStoreEmployeeFromCsv(op.FileName); MessageBox.Show("Data Successfully Saved into Temporary Database."); } } } catch (Exception ex) { MessageBox.Show(ex.Message); } }