private void AddBooks_Click(object sender, EventArgs e) { if (UserType == "Manager") { if (textBox1.Text == "" || textBox2.Text == "" || textBox3.Text == "" || textBox4.Text == "" || textBox5.Text == "" || textBox6.Text == "" || comboBox1.Text == "")//validation part { MessageBox.Show("Please, insert all values"); } else { int x = EmC.InsertUs(textBox3.Text, textBox4.Text, "Employee"); if (x == 0) { MessageBox.Show("Your Request is Invalid"); } else { int r = EmC.InsertEmployee(id, textBox1.Text, textBox7.Text, textBox2.Text, textBox6.Text, comboBox1.Text, Convert.ToInt32(textBox5.Text), BranchID, ManagerID, textBox3.Text); if (r == 0) { MessageBox.Show("Your Request is Invalid"); } else { MessageBox.Show("New Employee is Added!"); } } } } else { if (textBox1.Text == "" || textBox2.Text == "" || textBox3.Text == "" || textBox4.Text == "" || textBox5.Text == "" || textBox6.Text == "" || comboBox1.Text == "" || comboBox2.Text == "")//validation part { MessageBox.Show("Please, insert all values"); } else { int x = EmC.InsertUs(textBox3.Text, textBox4.Text, comboBox2.Text); if (x == 0) { MessageBox.Show("Your Request is Invalid"); } else { int r = EmC.InsertEmployee(id, textBox1.Text, textBox7.Text, textBox2.Text, textBox6.Text, comboBox1.Text, Convert.ToInt32(textBox5.Text), BranchID, ManagerID, textBox3.Text); if (r == 0) { MessageBox.Show("Your Request is Invalid"); } else { MessageBox.Show("New " + comboBox2.Text + " is Added!"); } } } } }