JCK.DAL/DAL_TRADE.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data.SqlClient;
using System.Data;
using JCK.DBUtility;

namespace JCK.DAL
{
    /// <summary>
    /// 数据访问类:TRADE
    /// </summary>
    public partial class DAL_TRADE
    {
        public DAL_TRADE()
        { }
        #region  BasicMethod
        /// <summary>
        /// 是否存在该记录
        /// </summary>
        public bool Exists(string TRADE_MODE)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select count(1) from TRADE");
            strSql.Append(" where TRADE_MODE=@TRADE_MODE");
            SqlParameter[] parameters = {
					new SqlParameter("@TRADE_MODE", SqlDbType.NVarChar,20)
			};
            parameters[0].Value = TRADE_MODE;

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


        /// <summary>
        /// 增加一条数据
        /// </summary>
        public bool Add(JCK.Model.TRADE model)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("insert into TRADE(");
            strSql.Append("INTERNAL_FLAG,MAKER,MAKE_DATE,TRADE_MODE,TD_NAME,TD_DESCRIBE)");
            strSql.Append(" values (");
            strSql.Append("@INTERNAL_FLAG,@MAKER,@MAKE_DATE,@TRADE_MODE,@TD_NAME,@TD_DESCRIBE)");
            strSql.Append(";select @@IDENTITY");
            SqlParameter[] parameters = {
					new SqlParameter("@INTERNAL_FLAG", SqlDbType.Float,8),
					new SqlParameter("@MAKER", SqlDbType.VarChar,20),
					new SqlParameter("@MAKE_DATE", SqlDbType.DateTime),
					new SqlParameter("@TRADE_MODE", SqlDbType.VarChar,5),
					new SqlParameter("@TD_NAME", SqlDbType.VarChar,20),
					new SqlParameter("@TD_DESCRIBE", SqlDbType.VarChar,100)};
            parameters[0].Value = model.INTERNAL_FLAG;
            parameters[1].Value = model.MAKER;
            parameters[2].Value = model.MAKE_DATE;
            parameters[3].Value = model.TRADE_MODE;
            parameters[4].Value = model.TD_NAME;
            parameters[5].Value = model.TD_DESCRIBE;