private void btnLogin_Click(object sender, EventArgs e) { MagneticStripCode readWriter; //creates readWriter variable from the MagneticStripCode.cs class try { readWriter = new MagneticStripCode(); //creates new MagneticStripcCode object and stores in readWriter string cardID = readWriter.readCardData().ToString(); //Card ID set to string of whatever is read Console.WriteLine(cardID); //string last = cardID.Substring(cardID.LastIndexOf('%') + 1); string last = Regex.Replace(cardID, "[^0-9]", ""); //Formatted card data without any special characters Console.WriteLine("Fixed String: " + last); if (last.Equals(null) || last.Equals("")) { MessageBox.Show("Error reading card. Press Okay and try again?"); MagneticStripCode.clearBuffer(); cardID = readWriter.readCardData().ToString(); //Card ID set to string of whatever is read last = Regex.Replace(cardID, "[^0-9]", ""); //Only grab numbers nos pecial characters string dbID = Database.checkUser(last)[0]; //Grabs ID from database using the formatted card ID Console.WriteLine("DB ID: " + dbID); if (last == dbID) { //User does exist //login Console.WriteLine("User exists"); //call method to add to database Database.data(last, true); //Inputs timeclock data to DB string isAdmin = Database.checkUser(last)[9]; //Returns if the user is admin or not if (isAdmin.Equals("1")) { //Is admin foreach (TabPage tab in tabControl1.TabPages) { //Enable all pages tab.Enabled = true; } } lbUserLog.Items.Add("User " + last + " logged in."); } else { //User doesn't exist lbUserLog.Items.Add("User " + last + " not found. Contact an administrator."); } } else { string dbID = Database.checkUser(last)[0]; //Grabs ID from database using the formatted card ID Console.WriteLine("DB ID: " + dbID); if (last == dbID) { //User does exist //login Console.WriteLine("User exists"); //call method to add to database Database.data(last, true); //Inputs timeclock data to DB string isAdmin = Database.checkUser(last)[9]; //Returns if the user is admin or not if (isAdmin.Equals("1")) { foreach (TabPage tab in tabControl1.TabPages) { //Enable all pages tab.Enabled = true; } } lbUserLog.Items.Add("User " + last + " logged in."); } else { //User doesn't exist lbUserLog.Items.Add("User " + last + " not found. Contact an administrator."); } } } catch (Exception ex) { //exception handler MessageBox.Show(ex.ToString(), "Something broke in the login. Please contact an administrator."); //catches and displays resulting errors to prevent program crash } finally { //finally block runs whether there is an exception or not readWriter = null; //sets readWriter object to null after it has been used //MagneticStripCode.clearBuffer(); } }