private void addCasButton_Click(object sender, EventArgs e) { addManButton.Hide(); addCasButton.Hide(); checkStockButton.Hide(); checkCustButton.Hide(); checkPreButton.Hide(); AddManLabel.Hide(); AddCasLabel.Show(); fnameBox.Show(); fnameLabel.Show(); lnameBox.Show(); lnameLabel.Show(); staffIDBox.Show(); staffIDLabel.Show(); addressBox.Show(); addressLabel.Show(); phoneBox.Show(); phoneLabel.Show(); emailBox.Show(); emailLabel.Show(); unameBox.Show(); unameLabel.Show(); pswdBox.Show(); pswdLabel.Show(); CasAddbutton.Show(); ManAddButton.Hide(); backButton.Show(); clearButton.Show(); }