bookDAL/orderDetailDAL.cs

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

using System;
using System.Data;
using System.Text;
using System.Data.SqlClient;

namespace myBook.DAL
{
	/// <summary>
	/// 数据访问类:tb_orderDetail
	/// </summary>
	public partial class orderDetailDAL
	{
		public orderDetailDAL()
		{}
		#region  Method

		

		/// <summary>
		/// 增加一条数据
		/// </summary>
		public int Add(myBook.Model.orderDetailModel model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("insert into tb_orderDetail(");
			strSql.Append("orderId,bookId,paynum,price)");
			strSql.Append(" values (");
			strSql.Append("@orderId,@bookId,@paynum,@price)");
			strSql.Append(";select @@IDENTITY");
			SqlParameter[] parameters = {
					new SqlParameter("@orderId", SqlDbType.Int,4),
					new SqlParameter("@bookId", SqlDbType.Int,4),
					new SqlParameter("@paynum", SqlDbType.Int,4),
					new SqlParameter("@price", SqlDbType.Float,8)};
			parameters[0].Value = model.orderId;
			parameters[1].Value = model.bookId;
			parameters[2].Value = model.paynum;
			parameters[3].Value = model.price;

			object obj = SQLHelper.GetSingle(strSql.ToString(),parameters);
			if (obj == null)
			{
				return 0;
			}
			else
			{
				return Convert.ToInt32(obj);
			}
		}
		/// <summary>
		/// 更新一条数据
		/// </summary>
		public bool Update(myBook.Model.orderDetailModel model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("update tb_orderDetail set ");
			strSql.Append("orderId=@orderId,");
			strSql.Append("bookId=@bookId,");
			strSql.Append("paynum=@paynum,");
			strSql.Append("price=@price");