private void button1_Click(object sender, EventArgs e) { var dept = new DAL.Model.Department(); //validation if (textBox1.Text == "") { MessageBox.Show("Name cannot be empty"); } else if (richTextBox1.Text == "") { MessageBox.Show("descroption cannot be empty"); } else { bool inserted = dept.Insert(textBox1.Text, richTextBox1.Text); if (inserted) { MessageBox.Show("Department has been saved to the database"); } } }