private void ADD_Click(object sender, EventArgs e)
        {
            DayPackage P = new DayPackage();

            ///var Model = new DatabaseEntities();
            Model MP = new Model();

            ///.vehicle///.AddObject(TableEntityInstance);

            P.PName     = Package_Name.Text;                ///Ratehr_vec.Text; ;///getting value from textbox
            P.PDistance = int.Parse(Package_Distance.Text); //getting value from textbox
            P.Pcost     = int.Parse(Package_Cost.Text);     //getting value from textbox


            MP.DayPackages.Add(P);
            MP.SaveChanges();
            int res = MP.SaveChanges();

            if (res > 0)
            {
                MessageBox.Show("Data Inserted Successfully");
            }
            else
            {
                MessageBox.Show("Try Again!!!");
            }
        }
        private void button2_Click(object sender, EventArgs e)
        {
            Model mod = new Model();
            var   da  = new DayPackage {
                PackageId = 1
            };

            mod.Entry(da).State = EntityState.Deleted;
            mod.SaveChanges();
        }