Exemplo n.º 1
0
 public bool UpdateCategory(int id, string name, string description)
 {
     using var db = new NorthwindContex();
     if (id > 0)
     {
         var category = db.Categories.Find(id);
         if (category != null)
         {
             category.Id          = id;
             category.Name        = name;
             category.Description = description;
             int changes = db.SaveChanges();
             if (changes > 0)
             {
                 return(true);
             }
             else
             {
                 return(false);
             }
         }
         else
         {
             return(false);
         }
     }
     else
     {
         return(false);
     }
 }
Exemplo n.º 2
0
 public bool DeleteCategory(int id)
 {
     using var db = new NorthwindContex();
     if (id > 0)
     {
         var category = db.Categories.Find(id);
         if (category != null)
         {
             db.Categories.Remove(category);
             int changes = db.SaveChanges();
             if (changes > 0)
             {
                 return(true);
             }
             else
             {
                 return(false);
             }
         }
         else
         {
             return(false);
         }
     }
     else
     {
         return(false);
     }
 }
Exemplo n.º 3
0
        //13
        public Boolean DeleteCategory(int idquery)
        {
            using var db = new NorthwindContex();

            var category = db.Categories.Find(idquery);

            if (category != null)
            {
                db.Categories.Remove(category);

                db.SaveChanges();

                return(true);
            }
            else
            {
                return(false);
            }
        }
Exemplo n.º 4
0
        //11
        public Category CreateCategory(string namequery, string descriptionquery)
        {
            using var db = new NorthwindContex();

            var nextId = db.Categories.Max(x => x.Id) + 1;

            var cat = new Category
            {
                Id          = nextId,
                Name        = namequery,
                Description = descriptionquery
            };

            db.Categories.Add(cat);

            db.SaveChanges();

            return(db.Categories.Find(nextId));
        }
Exemplo n.º 5
0
        //12
        public Boolean UpdateCategory(int idquery, string namequery, string descriptionquery)
        {
            using var db = new NorthwindContex();

            var category = db.Categories.Find(idquery);

            if (category != null)
            {
                category.Name        = namequery;
                category.Description = descriptionquery;

                db.SaveChanges();

                return(true);
            }
            else
            {
                return(false);
            }
        }
Exemplo n.º 6
0
        public Category CreateCategory(string name, string description)
        {
            using var db = new NorthwindContex();
            var nextId = db.Categories.Max(x => x.Id) + 1;

            var category = new Category
            {
                Id          = nextId,
                Name        = name,
                Description = description
            };

            db.Categories.Add(category);
            int changes = db.SaveChanges();

            if (changes > 0)
            {
                return(category);
            }
            else
            {
                return(null);
            }
        }