コード例 #1
0
        //Master and Detail INSERT
        public static int SaveDAO(BookRent bookObj, DataTable dt)
        {
            BookPOSEntities3 db = new BookPOSEntities3();

            using (var transaction = db.Database.BeginTransaction())
            {
                try
                {
                    var entity = db.Set <BookRent>().Create();

                    //mapping the values of your view models to data models
                    entity.MemberId    = bookObj.MemberId;
                    entity.StartDate   = bookObj.StartDate;
                    entity.IssueDate   = bookObj.IssueDate;
                    entity.NumberOfDay = bookObj.NumberOfDay;

                    //INSERT MASTER TABLE
                    db.BookRents.Add(entity);
                    int  l_return = db.SaveChanges();
                    long RentID   = entity.RentID; //GET MASTER ID

                    if (l_return > 0)
                    {
                        //INSERT DETAIL TABLE
                        for (int i = 0; i < dt.Rows.Count; i++)
                        {
                            var RentDetail = db.Set <RentBookDetail>().Create(); //can not assign null value
                            RentDetail.RentID = RentID;
                            RentDetail.BookID = Convert.ToInt64(dt.Rows[i]["BookID"].ToString());
                            RentDetail.Status = 1;
                            db.RentBookDetails.Add(RentDetail);
                            l_return   = db.SaveChanges();
                            RentDetail = null; //can not use null vlue
                        }
                    }
                    transaction.Commit();
                    transaction.Dispose();
                    db.Dispose();

                    return(l_return);
                }
                catch (Exception ex)
                {
                    transaction.Rollback();
                    throw ex;
                }
            }
        }
コード例 #2
0
        //Update Restore Book from Rent
        public static int RestoreRentBook(int Id)
        {
            int l_return        = 0; // For Return Value for Save or Fail
            BookPOSEntities3 db = new BookPOSEntities3();

            using (var transaction = db.Database.BeginTransaction())
            {
                try
                {
                    var result = db.RentBookDetails.SingleOrDefault(b => b.RentDetailID == Id);
                    if (result != null)
                    {
                        result.Status = 0;
                        l_return      = db.SaveChanges();
                    }

                    transaction.Commit();
                    transaction.Dispose();
                    db.Dispose();
                }
                catch (Exception ex)
                {
                    transaction.Rollback();
                    throw ex;
                }
            }

            return(l_return);
        }
コード例 #3
0
        //Insert New Member
        public static int SaveNewMember(DataTable dt)
        {
            BookPOSEntities3 db = new BookPOSEntities3();
            int l_return        = 0;

            using (var transaction = db.Database.BeginTransaction())
            {
                try
                {
                    //INSERT DETAIL TABLE
                    for (int i = 0; i < dt.Rows.Count; i++)
                    {
                        var Obj = db.Set <Member>().Create();

                        Obj.MemberCode = dt.Rows[i]["MemberCode"].ToString();
                        Obj.MemberName = dt.Rows[i]["MemberName"].ToString();
                        Obj.email      = dt.Rows[i]["Email"].ToString();
                        Obj.City       = dt.Rows[i]["City"].ToString();
                        Obj.Phone      = dt.Rows[i]["Phone"].ToString();
                        Obj.Active     = 1;
                        Obj.Address    = dt.Rows[i]["Address"].ToString();

                        db.Members.Add(Obj);
                        l_return = db.SaveChanges();
                    }

                    transaction.Commit();
                    transaction.Dispose();
                    db.Dispose();
                }
                catch (Exception ex)
                {
                    transaction.Rollback();
                    throw ex;
                }
            }
            return(l_return);
        }
コード例 #4
0
        //Insert New Book
        public static int SaveNewBook(DataTable dt)
        {
            BookPOSEntities3 db = new BookPOSEntities3();
            int l_return        = 0;

            using (var transaction = db.Database.BeginTransaction())
            {
                try
                {
                    //INSERT DETAIL TABLE
                    for (int i = 0; i < dt.Rows.Count; i++)
                    {
                        var bookObj = db.Set <Book>().Create();

                        bookObj.BookCode   = dt.Rows[i]["BookCode"].ToString();
                        bookObj.BookName   = dt.Rows[i]["BookName"].ToString();
                        bookObj.CategoryId = Convert.ToInt64(dt.Rows[i]["Category"]);
                        bookObj.Author     = dt.Rows[i]["Author"].ToString();
                        bookObj.ISBN       = dt.Rows[i]["ISBN"].ToString();

                        db.Books.Add(bookObj);
                        l_return = db.SaveChanges();
                    }

                    transaction.Commit();
                    transaction.Dispose();
                    db.Dispose();
                }
                catch (Exception ex)
                {
                    transaction.Rollback();
                    throw ex;
                }
            }
            return(l_return);
        }