public async Task <IHttpActionResult> PutGroupBCategory(int id, GroupBCategory groupBCategory)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            if (id != groupBCategory.Id)
            {
                return(BadRequest());
            }

            db.Entry(groupBCategory).State = EntityState.Modified;

            try
            {
                await db.SaveChangesAsync();
            }
            catch (DbUpdateConcurrencyException)
            {
                if (!GroupBCategoryExists(id))
                {
                    return(NotFound());
                }
                else
                {
                    throw;
                }
            }

            return(StatusCode(HttpStatusCode.NoContent));
        }
        public async Task <IHttpActionResult> GetGroupBCategory(int id)
        {
            GroupBCategory groupBCategory = await db.GroupBCategories.FindAsync(id);

            if (groupBCategory == null)
            {
                return(NotFound());
            }

            return(Ok(groupBCategory));
        }
        public async Task <IHttpActionResult> PostGroupBCategory(GroupBCategory groupBCategory)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            db.GroupBCategories.Add(groupBCategory);
            await db.SaveChangesAsync();

            return(CreatedAtRoute("DefaultApi", new { id = groupBCategory.Id }, groupBCategory));
        }
        public async Task <IHttpActionResult> DeleteGroupBCategory(int id)
        {
            GroupBCategory groupBCategory = await db.GroupBCategories.FindAsync(id);

            if (groupBCategory == null)
            {
                return(NotFound());
            }

            db.GroupBCategories.Remove(groupBCategory);
            await db.SaveChangesAsync();

            return(Ok(groupBCategory));
        }