This tutorial will teach you how to make a login form more security this tutorial will help you. if the user try enter the username and password more than three times wrong message will display message Invalid User and close the application.
Paste the code inside the login the button
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | string username = txtuser.Text; string pass = txtpass.Text; count = count + 1; if(count > 3) { MessageBox.Show("Sorry Invaild User Attempt!!!!!!!!!!"); this.Close(); } if(username.Equals("john") && pass.Equals("123")) { MessageBox.Show("Login Success!!!!!"); } else { MessageBox.Show("User Name or Password Incorrect!!!!!"); } |
I have attached the video tutorial below it will help you to do this step by step.
