private void button1_Click(object sender, EventArgs e) { controllerObj = new Controller(); if (fnameTextBox.Text == "" || lnameTextBox.Text == "") { MessageBox.Show("Please insert your first and last name!"); } if (textBox1.Text == "") { MessageBox.Show("Please enter your payment details. If you'd rather not, why don't you try siging up free!"); } else { PDieterID = PDieterID + 1; int c = controllerObj.CheckID(PDieterID); while (c > 0) { PDieterID = PDieterID + 1; } int r = controllerObj.InsertDieter(PDieterID, fnameTextBox.Text, lnameTextBox.Text, int.Parse(stweightTextBox.Text)); int k = controllerObj.InsertPremDieter(PDieterID, textBox1.Text, passwordtextBox.Text); if (r > 0 && k > 0) { MessageBox.Show("You are now signed up! Please memorize your ID " + DieterID + " You will need it when logging in."); } else { MessageBox.Show("Try Again Later"); } } Premium_Dieter PD = new Premium_Dieter(); PD.Show(); Hide(); }