DAL/db_orderItem.cs

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using System;
using System.Data;
using System.Text;
using System.Data.SqlClient;
using Maticsoft.DBUtility;//Please add references
namespace Maticsoft.DAL
{
	/// <summary>
	/// 数据访问类:db_orderItem
	/// </summary>
	public partial class db_orderItem
	{
		public db_orderItem()
		{}
		#region  Method

		/// <summary>
		/// 是否存在该记录
		/// </summary>
		public bool Exists(string ID)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) from db_orderItem");
			strSql.Append(" where ID=@ID ");
			SqlParameter[] parameters = {
					new SqlParameter("@ID", SqlDbType.VarChar,32)			};
			parameters[0].Value = ID;

			return DbHelperSQL.Exists(strSql.ToString(),parameters);
		}


		/// <summary>
		/// 增加一条数据
		/// </summary>
		public bool Add(Maticsoft.Model.db_orderItem model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("insert into db_orderItem(");
			strSql.Append("ID,OrderId,ProdID,NUM,Temp1,Temp2,Temp3)");
			strSql.Append(" values (");
			strSql.Append("@ID,@OrderId,@ProdID,@NUM,@Temp1,@Temp2,@Temp3)");
			SqlParameter[] parameters = {
					new SqlParameter("@ID", SqlDbType.VarChar,32),
					new SqlParameter("@OrderId", SqlDbType.VarChar,32),
					new SqlParameter("@ProdID", SqlDbType.VarChar,32),
					new SqlParameter("@NUM", SqlDbType.Decimal,9),
					new SqlParameter("@Temp1", SqlDbType.VarChar,200),
					new SqlParameter("@Temp2", SqlDbType.VarChar,200),
					new SqlParameter("@Temp3", SqlDbType.VarChar,200)};
			parameters[0].Value = model.ID;
			parameters[1].Value = model.OrderId;
			parameters[2].Value = model.ProdID;
			parameters[3].Value = model.NUM;
			parameters[4].Value = model.Temp1;
			parameters[5].Value = model.Temp2;
			parameters[6].Value = model.Temp3;

			int rows=DbHelperSQL.ExecuteSql(strSql.ToString(),parameters);
			if (rows > 0)