public List <CategoryDuc> GetListFoodCategory() { List <CategoryDuc> listCategory = new List <CategoryDuc>(); string query = "select * from FoodCategory"; DataTable dt = dtPro.ExecuteQuery(query); foreach (DataRow item in dt.Rows) { CategoryDuc category = new CategoryDuc(item); listCategory.Add(category); } return(listCategory); }
// Sự kiện Load FoodList theo CategoryID sau mỗi lần thay đổi CategoryID private void cmbDanhMuc_SelectedIndexChanged(object sender, EventArgs e) { int id = 0; ComboBox cmb = sender as ComboBox; if (cmb.SelectedItem == null) { return; } CategoryDuc selected = cmb.SelectedItem as CategoryDuc; id = selected.ID; LoadFoodListByCategoryID(id); }