private void btnAdmin_Click(object sender, EventArgs e)
{
frmAdminRegistration reg = new frmAdminRegistration();
this.Hide();
reg.Show();
}
private void linkLabel1_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
{
frmAdminRegistration a = new frmAdminRegistration();
this.Close();
a.Show();
}