private void txtNumOfDancers_KeyDown(object sender, KeyEventArgs e) { if (e.KeyCode == Keys.Enter) { try { numOfDancers = int.Parse(txtNumOfDancers.Text); if (numOfDancers <= 0) { throw new Exception("Invalid number-number is too small\n Please try again"); } ds = new DancerStudio(numOfDancers); txtNumOfDancers.Hide(); lblNumOfDancers.Hide(); txtNumOfDancers.Enabled = false; lblNumOfDancers.Enabled = true; checkEnable(true); VisibleControl(true); txtShow.Text = "Dancers' Details Overview\r\n"; } catch (FormatException) { MessageBox.Show("Please enter an integer number"); } catch (OverflowException) { MessageBox.Show("Invalid number-number is too big"); } catch (Exception ex) { MessageBox.Show(ex.Message); } } }
public void checkNumOfDancers() { try { numOfDancers = int.Parse(txtNumOfDancers.Text); if (numOfDancers <= 0) { throw new Exception("Invalid number-number is too small\n Please try again"); } ds = new DancerStudio(numOfDancers); txtNumOfDancers.Hide(); lblNumOfDancers.Hide(); btnNumOfDancers.Hide(); checkEnable(true); } catch (FormatException) { MessageBox.Show("Please enter an integer number"); } catch (OverflowException) { MessageBox.Show("Invalid number-number is too big"); } catch (Exception ex) { MessageBox.Show(ex.Message); } }