private void loginButton_Click(object sender, EventArgs e)
{
DataTable dataTable = databaseAccess.authenticateInstructor(usernameBox.Text.Trim(), passwordBox.Text.Trim());
if (dataTable.Rows.Count == 1)
{
dataRetriever = DataRetriever.Instance;
dataRetriever.setUsername(usernameBox.Text);
Menu menu = new Menu();
this.Hide();
menu.ShowDialog();
this.Close();
}
else
{
MessageBox.Show("Entered instructor doesn't exist", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
