private void btnLogin_Click(object sender, EventArgs e)
{
this.Hide();
fTableManager f = new fTableManager();
f.ShowDialog();
}
private void btnLogin_Click(object sender, EventArgs e)
{
if (DangNhap())
{
this.Hide();
fTableManager f = new fTableManager();
f.Show();
if (formThis == null)
formThis = this;
}
else
{
MessageBox.Show("Lỗi đăng nhập");
}
}