private void addstudentBtnClk(object sender, EventArgs e) { string name = nameTextBox.Text; string id = idtextBox.Text; string password = passwordTextBox.Text; if (name.Equals("")) { MessageBox.Show("Please Enter Name"); } else if (id.Equals("")) { MessageBox.Show("Please Select ID"); } else if (password.Equals("")) { MessageBox.Show("Please Enter Password"); } else { bool a = StudentController.AddAStudent(name, id, password); if (a) { MessageBox.Show("Added"); } else { MessageBox.Show("Not Added"); } } }