Here, I will explain how to do password protection in code. Before that, I suggest you see the explanation in Tutorial 2 Creating Login Form with SQL Server in Windows Forms.
Step 1. Create a login form
First, create a Login form as I showed in Tutorial 2.
Step 2. Coding
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Data.SqlClient;
namespace First_Csharp_app
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
pass_txt.PasswordChar = '$'; // Without this, you can also set it using the textbox property "UseSystemPasswordChar".
}
private void button1_Click(object sender, EventArgs e)
{
// Your coding logic here
}
}
}
Step 3. Output
You can also go to my blog.