public Viwer(int id)
 {
     InitializeComponent();
     location            = DB.Instance.locations.Find(id);
     betterTextBox1.Text = location.name;
     saveondatabase      = true;
 }
 private void materialButton2_Click(object sender, EventArgs e)
 {
     if (saveondatabase)
     {
         location.name       = betterTextBox1.Text;
         location.updated_at = DateTime.Now;
         location.created_at = DateTime.Now;
         location.admin_id   = INFO.admin_id;
         DB.Instance.SaveChanges();
     }
     else
     {
         var newcate = new Model.location()
         {
             name       = betterTextBox1.Text,
             created_at = DateTime.Now,
             updated_at = DateTime.Now,
             admin_id   = INFO.admin_id,
         };
         DB.Instance.locations.Add(newcate);
         DB.Instance.SaveChanges();
         saveondatabase = true;
     }
 }