コード例 #1
0
        /// <summary>
        /// Inserts a tree to the database
        /// </summary>
        /// <param name="newTree">New tree object</param>
        /// <returns>True if insert is successfull</returns>
        public int InsertTree(Tree newTree)
        {
            if (newTree == null)
            {
                return 0;
            }

            int newTreeId = 0;
            try
            {
                newTree.TreeId = 0;//ensures that the treeid is new
                newTree.CreationDate = DateTime.UtcNow;
                using (var context = new PlantATreeEntities())
                {
                    context.Trees.AddObject(newTree);
                    context.SaveChanges();

                    newTreeId = newTree.TreeId;
                }
                return newTreeId;
            }
            catch(Exception e)
            {
                return 0;
            }
        }
コード例 #2
0
 /// <summary>
 /// Get all trees from the database
 /// </summary>
 /// <returns></returns>
 public IEnumerable<Tree> GetTrees()
 {
     List<Tree> treeList;
     using (var context = new PlantATreeEntities())
     {
         //context.ContextOptions.LazyLoadingEnabled = false;
         treeList = context.Trees.ToList();
     }
     return treeList;
 }
コード例 #3
0
        /// <summary>
        /// Returns all trees count
        /// </summary>
        /// <returns></returns>
        public int GetTreesCount()
        {
            int treesCount = 0;
            using (var context = new PlantATreeEntities())
            {
                //context.ContextOptions.LazyLoadingEnabled = false;
                treesCount = context.Trees.Count();
            }

            return treesCount;
        }