private void button1_Click(object sender, EventArgs e)
{
String username;
username = comboBox1.SelectedItem.ToString();
File.WriteAllText("System.FileType.txt", username);
MessageBox.Show("Welcome, " + username.Trim());
SystemApplication sa = new SystemApplication();
sa.ShowDialog();
return;
}
private void connection()
{
string connectionString = ("Server=localhost;user id=db_user;password=microsoft;Database=traininglog;");
MySqlConnection con = new MySqlConnection(connectionString);
string userscript = "SELECT password FROM table_one WHERE username='******';";
MySqlCommand command = new MySqlCommand(userscript, con);
con.Open();
if (username.Text == "administrator")
{
MySqlDataReader reader = command.ExecuteReader();
while (reader.Read())
{
if (reader["password"].ToString() == password.Text.Trim())
{
File.WriteAllText("System.FileType.txt", username.Text);
MessageBox.Show("Welcome, " + username.Text.Trim());
Form form3 = new Form3();
form3.ShowDialog();
return;
}
}
}
else
{
MySqlDataReader reader = command.ExecuteReader();
while (reader.Read())
{
if (reader["password"].ToString() == password.Text.Trim())
{
File.WriteAllText("System.FileType.txt", username.Text);
MessageBox.Show("Welcome, " + username.Text.Trim());
SystemApplication sa = new SystemApplication();
sa.ShowDialog();
return;
}
}
}
MessageBox.Show("Sorry, You have entered incorrect login information.");
}
