private void simpleButton4_Click(object sender, EventArgs e)
{
PL.FRM_LOGIN frm_login = new PL.FRM_LOGIN();
tb_user = dbs.TB_USERS.Where(x => x.USER_STATE == "True").FirstOrDefault();
tb_user.USER_STATE = "False";
dbs.Entry(tb_user).State = System.Data.Entity.EntityState.Modified;
dbs.SaveChanges();
this.Enabled = false;
frm_login.Show();
this.Hide();
}
