Beispiel #1
0
        /// <summary>
        /// 更新一条数据
        /// </summary>
        public bool Update(OLBookstore.Model.OrderBook model)
        {
            StringBuilder strSql = new StringBuilder();

            strSql.Append("update OrderBook set ");
            strSql.Append("OrderID=@OrderID,");
            strSql.Append("BookID=@BookID,");
            strSql.Append("Quantity=@Quantity,");
            strSql.Append("UnitPrice=@UnitPrice");
            strSql.Append(" where Id=@Id");
            SqlParameter[] parameters =
            {
                new SqlParameter("@OrderID",   SqlDbType.Int,   4),
                new SqlParameter("@BookID",    SqlDbType.Int,   4),
                new SqlParameter("@Quantity",  SqlDbType.Int,   4),
                new SqlParameter("@UnitPrice", SqlDbType.Money, 8),
                new SqlParameter("@Id",        SqlDbType.Int, 4)
            };
            parameters[0].Value = model.OrderID;
            parameters[1].Value = model.BookID;
            parameters[2].Value = model.Quantity;
            parameters[3].Value = model.UnitPrice;
            parameters[4].Value = model.Id;

            int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);

            if (rows > 0)
            {
                return(true);
            }
            else
            {
                return(false);
            }
        }
Beispiel #2
0
        /// <summary>
        /// 增加一条数据
        /// </summary>
        public int Add(OLBookstore.Model.OrderBook model)
        {
            StringBuilder strSql = new StringBuilder();

            strSql.Append("insert into OrderBook(");
            strSql.Append("OrderID,BookID,Quantity,UnitPrice)");
            strSql.Append(" values (");
            strSql.Append("@OrderID,@BookID,@Quantity,@UnitPrice)");
            strSql.Append(";select @@IDENTITY");
            SqlParameter[] parameters =
            {
                new SqlParameter("@OrderID",   SqlDbType.Int,   4),
                new SqlParameter("@BookID",    SqlDbType.Int,   4),
                new SqlParameter("@Quantity",  SqlDbType.Int,   4),
                new SqlParameter("@UnitPrice", SqlDbType.Money, 8)
            };
            parameters[0].Value = model.OrderID;
            parameters[1].Value = model.BookID;
            parameters[2].Value = model.Quantity;
            parameters[3].Value = model.UnitPrice;

            object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);

            if (obj == null)
            {
                return(0);
            }
            else
            {
                return(Convert.ToInt32(obj));
            }
        }
Beispiel #3
0
 /// <summary>
 /// 得到一个对象实体
 /// </summary>
 public OLBookstore.Model.OrderBook DataRowToModel(DataRow row)
 {
     OLBookstore.Model.OrderBook model = new OLBookstore.Model.OrderBook();
     if (row != null)
     {
         if (row["Id"] != null && row["Id"].ToString() != "")
         {
             model.Id = int.Parse(row["Id"].ToString());
         }
         if (row["OrderID"] != null && row["OrderID"].ToString() != "")
         {
             model.OrderID = int.Parse(row["OrderID"].ToString());
         }
         if (row["BookID"] != null && row["BookID"].ToString() != "")
         {
             model.BookID = int.Parse(row["BookID"].ToString());
         }
         if (row["Quantity"] != null && row["Quantity"].ToString() != "")
         {
             model.Quantity = int.Parse(row["Quantity"].ToString());
         }
         if (row["UnitPrice"] != null && row["UnitPrice"].ToString() != "")
         {
             model.UnitPrice = decimal.Parse(row["UnitPrice"].ToString());
         }
     }
     return(model);
 }
 private void ShowInfo(int Id)
 {
     OLBookstore.BLL.OrderBookManager bll   = new OLBookstore.BLL.OrderBookManager();
     OLBookstore.Model.OrderBook      model = bll.GetModel(Id);
     this.lblId.Text        = model.Id.ToString();
     this.lblOrderID.Text   = model.OrderID.ToString();
     this.lblBookID.Text    = model.BookID.ToString();
     this.lblQuantity.Text  = model.Quantity.ToString();
     this.lblUnitPrice.Text = model.UnitPrice.ToString();
 }
        public void btnSave_Click(object sender, EventArgs e)
        {
            string strErr = "";

            if (!PageValidate.IsNumber(txtOrderID.Text))
            {
                strErr += "OrderID格式错误!\\n";
            }
            if (!PageValidate.IsNumber(txtBookID.Text))
            {
                strErr += "BookID格式错误!\\n";
            }
            if (!PageValidate.IsNumber(txtQuantity.Text))
            {
                strErr += "Quantity格式错误!\\n";
            }
            if (!PageValidate.IsDecimal(txtUnitPrice.Text))
            {
                strErr += "UnitPrice格式错误!\\n";
            }

            if (strErr != "")
            {
                MessageBox.Show(this, strErr);
                return;
            }
            int     Id        = int.Parse(this.lblId.Text);
            int     OrderID   = int.Parse(this.txtOrderID.Text);
            int     BookID    = int.Parse(this.txtBookID.Text);
            int     Quantity  = int.Parse(this.txtQuantity.Text);
            decimal UnitPrice = decimal.Parse(this.txtUnitPrice.Text);


            OLBookstore.Model.OrderBook model = new OLBookstore.Model.OrderBook();
            model.Id        = Id;
            model.OrderID   = OrderID;
            model.BookID    = BookID;
            model.Quantity  = Quantity;
            model.UnitPrice = UnitPrice;

            OLBookstore.BLL.OrderBookManager bll = new OLBookstore.BLL.OrderBookManager();
            bll.Update(model);
            Maticsoft.Common.MessageBox.ShowAndRedirect(this, "保存成功!", "list.aspx");
        }
Beispiel #6
0
        /// <summary>
        /// 得到一个对象实体
        /// </summary>
        public OLBookstore.Model.OrderBook GetModel(int Id)
        {
            StringBuilder strSql = new StringBuilder();

            strSql.Append("select  top 1 Id,OrderID,BookID,Quantity,UnitPrice from OrderBook ");
            strSql.Append(" where Id=@Id");
            SqlParameter[] parameters =
            {
                new SqlParameter("@Id", SqlDbType.Int, 4)
            };
            parameters[0].Value = Id;

            OLBookstore.Model.OrderBook model = new OLBookstore.Model.OrderBook();
            DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);

            if (ds.Tables[0].Rows.Count > 0)
            {
                return(DataRowToModel(ds.Tables[0].Rows[0]));
            }
            else
            {
                return(null);
            }
        }