private void button12_Click(object sender, EventArgs e)//appointBTN { if (checkinput()) { if (checkBox1.Checked) { try { PlaceAppointmentmysql appointPatient = new PlaceAppointmentmysql(); appointPatient.AppointPacient(comboBox1.Text, textBox22.Text, comboBox3.Text, int.Parse(comboBox4.Text), int.Parse(comboBox7.Text), comboBox8.Text, dateTimePicker1.Text, textBox17.Text + comboBox6.Text + " - " + textBox18.Text + comboBox5.Text, textBox16.Text); MessageBox.Show($"Successfully added patient - {comboBox1.Text} : {textBox22.Text} to appointment list", "Added", MessageBoxButtons.OK, MessageBoxIcon.Information); appointPatient.changeBedfree(comboBox8.Text, int.Parse(comboBox4.Text), int.Parse(comboBox7.Text)); appointPatient.changepatientPLaced(comboBox1.Text); Clera(); } catch (Exception) { MessageBox.Show("Please enter valid details", "Invalid details", MessageBoxButtons.OK, MessageBoxIcon.Error); } } else { PlaceAppointmentmysql appointPatient = new PlaceAppointmentmysql(); appointPatient.AppointPacient(comboBox1.Text, textBox22.Text, comboBox3.Text, 0, 0, null, dateTimePicker1.Text, textBox17.Text + comboBox6.Text + " - " + textBox18.Text + comboBox5.Text, textBox16.Text); MessageBox.Show($"Successfully added patient - {comboBox1.Text} : {textBox22.Text} to appointment list", "Added", MessageBoxButtons.OK, MessageBoxIcon.Information); appointPatient.changepatientPLaced(comboBox1.Text); Clera(); } } else { MessageBox.Show("Please enter valid input", "Invalid input", MessageBoxButtons.OK, MessageBoxIcon.Error); } }