//Open registration form
private void link_Regestartion_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
{
Regestration reg = new Regestration();
this.Hide();
reg.ShowDialog();
this.Close();
}
//Open regestration form
private void link_Registartion_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
{
Regestration reg = new Regestration();
reg.Show();
this.Hide();
//ToDo Logging
}