private void btn_del_Click(object sender, EventArgs e) { int key = int.Parse(this.txt_id.Text); using (CatBaseEntities context = new CatBaseEntities()) { cat mew_cat = context.cats.FirstOrDefault(input => input.catID == key); context.cats.Remove(mew_cat); context.SaveChanges(); loadgrid(); } }
private void btn_edit_Click(object sender, EventArgs e) { int key = int.Parse(this.txt_id.Text); using (CatBaseEntities context = new CatBaseEntities()) { cat mew_cat = context.cats.FirstOrDefault(input => input.catID == key); mew_cat.catName = this.txt_name.Text; mew_cat.catAge = int.Parse(this.txt_id.Text); mew_cat.ownerID = 1; context.SaveChanges(); loadgrid(); } }
private void btn_create_Click(object sender, EventArgs e) { using (CatBaseEntities context = new CatBaseEntities()) { int nextID = context.cats.Last().catID; cat mew_cat = new cat { catID = nextID, catName = this.txt_name.Text, catAge = int.Parse(this.txt_age.Text), ownerID = 1 }; context.cats.Add(mew_cat); context.SaveChanges(); loadgrid(); } }