1. buat project baru beri nama "Login" atau terserah temen-temen
2. desain form login sesuai dengan keinginan kalian
contoh
3. double click button login tersebut pastekan source code dibawah ini
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Data.SqlClient;
namespace Login
{
public partial class Login : Form
{
SqlCommand cmd = new SqlCommand();
SqlDataReader sdr;
public Login()
{
InitializeComponent();
}
private void login (object sender, EventArgs e)
{
try
{
SqlConnection con = new SqlConnection();
con.ConnectionString = "Data Source=TOSHIBA\\SETIABUDI;Initial Catalog=LoginBaru;User ID=sa;Password=123";
con.Open();
SqlCommand cmd = new SqlCommand("SELECT * FROM Login WHERE username='" + textBox1.Text + "' and Pass='" + textBox2.Text + "'", con);
sdr = cmd.ExecuteReader();
string username = textBox1.Text;
string pass = textBox2.Text;
while (sdr.Read())
{
if ((sdr["username"].ToString() == username) && (sdr["pass"].ToString() == pass))
{
MessageBox.Show("Akses Di Terima, Login Sukses");
Form ab = new Home();//menuju form setelah login
ab.Show();
this.Hide();
}
else
{
MessageBox.Show("Username atau Password Salah");
}
}
}
catch (Exception ex)
{
MessageBox.Show("Username atau Password Salah"+ex);
}
}
}
screenshot :
semoga bermanfaat : )


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