DAL/UserMoneyInfo2Service.cs

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

namespace DAL
{
	/// <summary>
	/// 数据访问类:UserMoneyInfo2Service
	/// </summary>
	public partial class UserMoneyInfo2Service
	{
		public UserMoneyInfo2Service()
		{}
		#region  BasicMethod


        /// <summary>
        /// 得到一个对象实体
        /// </summary>
        public static Model.UserMoneyInfo2 GetModelByUserId(int addUser)
        {

            StringBuilder strSql = new StringBuilder();
            strSql.Append("select  top 1 id,typeId,typeName,userId,userName,oldValue,doneValue,newValue,orderId,orderNo,status,remark,addTime,addUser,infoType from UserMoneyInfo2 ");
            strSql.Append(" where addUser=@addUser order by id desc");
            SqlParameter[] parameters = {
					new SqlParameter("@addUser", SqlDbType.Int,4)
			};
            parameters[0].Value = addUser;

            Model.UserMoneyInfo2 model = new Model.UserMoneyInfo2();
            DataSet ds = DBHelperSQL.Query(strSql.ToString(), parameters);
            if (ds.Tables[0].Rows.Count > 0)
            {
                return DataRowToModel(ds.Tables[0].Rows[0]);
            }
            else
            {
                return null;
            }
        }



		/// <summary>
		/// 是否存在该记录
		/// </summary>
		public static bool Exists(int id)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) from UserMoneyInfo2");
			strSql.Append(" where id=@id");
			SqlParameter[] parameters = {
					new SqlParameter("@id", SqlDbType.Int,4)
			};
			parameters[0].Value = id;

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