private void addadminbutton_Click(object sender, EventArgs e) { controllerObj = new Controller(); Datacontainer.AdminID = Datacontainer.AdminID + 1; if (fnameTextBox.Text == "" || lnameTextBox.Text == "" || passwordtextBox.Text == "" || usernametextBox.Text == "") { MessageBox.Show("Please enter all fields specified first!"); } else { int r = controllerObj.InsertAdmin(Datacontainer.AdminID, fnameTextBox.Text, lnameTextBox.Text, passwordtextBox.Text, usernametextBox.Text); if (r > 0) { MessageBox.Show("New Admin has been added"); } else { MessageBox.Show("Something went wrong, please try again later"); } } }