public partial class Form4 : Form
{
private OleDbConnection connect = new OleDbConnection();
public Form4()
{
InitializeComponent();
connect.ConnectionString = @"Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\Users\Bino Unity\Desktop\user1.accdb;Persist Security Info=False;";
}
private void Form4_Load(object sender, EventArgs e)
{
}
private void login_button_Click(object sender, EventArgs e)
{
connect.Open();
OleDbCommand command = new OleDbCommand();
command.Connection = connect;
command.CommandText =@"select * from log where User Name='"+textBox1.Text+"' and Password='"+textBox2.Text+"'";
OleDbDataReader reader = command.ExecuteReader();
int count = 0;
while(reader.Read())
{
count = count+1;
}
if(count ==1)
{
MessageBox.Show("username and password is correct");
}
if(count >1)
{
MessageBox.Show("Duplicate username and password...Access Denied");
}
else
{
MessageBox.Show("username and password incorrect");
}
connect.Close();
Form2 form = new Form2();
form.ShowDialog(this);
}
}
}
Benyam 0 Newbie Poster
Be a part of the DaniWeb community
We're a friendly, industry-focused community of developers, IT pros, digital marketers, and technology enthusiasts meeting, networking, learning, and sharing knowledge.