Esempio n. 1
0
            private static int InsertData <T, TKey>(LaGouContext dbContext, Func <LaGouContext, DbSet <T> > dbSetSelector, ICollection <T> data, Expression <Func <T, TKey> > keySelector) where T : class
            {
                if (data.Count == 0)
                {
                    return(0);
                }
                var dbSet      = dbSetSelector(dbContext);
                var keyHashSet = dbSet.Select(keySelector).ToHashSet();
                var keyFunc    = keySelector.Compile();
                var newData    = data.Where(p => !keyHashSet.Contains(keyFunc(p)));

                if (!newData.Any())
                {
                    return(0);
                }
                dbSet.AddRange(newData);
                int insertCount = 0;

                try
                {
                    insertCount = dbContext.SaveChanges();
                }
                catch (Exception ex)
                {
                    ShowLogException(ex);
                }
                return(insertCount);
            }
Esempio n. 2
0
            private static int InsertData <T>(LaGouContext dbContext, Func <LaGouContext, DbSet <T> > dbSetSelector, ICollection <T> data) where T : class
            {
                var dbSet = dbSetSelector(dbContext);

                dbSet.AddRange(data);
                int insertCount = 0;

                try
                {
                    insertCount = dbContext.SaveChanges();
                }
                catch (Exception ex)
                {
                    ShowLogError(ex.Message);
                }
                return(insertCount);
            }