private void ResetButton_Click(object sender, EventArgs e) { //this event handler resets the windows app when clicked //and prompts the user before resetting DialogResult userAnswer; userAnswer = MessageBox.Show("Do you wish to Reset ?", "Bill Estimator", MessageBoxButtons.YesNo); switch (userAnswer) { case DialogResult.Yes: KwhTextBox1.Clear(); OffpeakKwhTextBox1.Clear(); CustomerTypecomboBox1.SelectedIndex = 0; break; case DialogResult.No: //do nothing break; default: KwhTextBox1.Clear(); CustomerTypecomboBox1.SelectedIndex = 0; break; } eraseTextField(); }
//this method clears all input into the form private void eraseTextField() { haveValidInput = true; EstimatedBillLabel.Text = "Estimated Bill: "; KwhLabel.Text = "How many Kwh?"; OffPeakKwhlabel.Visible = false; OffpeakKwhTextBox1.Visible = false; KwhTextBox1.Clear(); OffpeakKwhTextBox1.Clear(); accountNumberTextBox.Clear(); customerNameTextBox1.Clear(); }
//this event handler changes the form when the customer toggles between different customer types //industrial users have peakhours and offpeak hours //when an idustrial customer type is selected the forms toggles and dispays differently private void CustomerTypecomboBox1_SelectedIndexChanged(object sender, EventArgs e) { //when the user selects the Industrial customer type some labels and Text boxes become visible switch (CustomerTypecomboBox1.Text) { case "Industrial": KwhLabel.Text = "How many peak Kwh?"; OffPeakKwhlabel.Visible = true; OffpeakKwhTextBox1.Visible = true; break; default: KwhLabel.Text = "How many Kwh?"; OffPeakKwhlabel.Visible = false; OffpeakKwhTextBox1.Visible = false; break; } KwhTextBox1.Clear(); OffpeakKwhTextBox1.Clear(); }