using System;
using System.Data;
using System.Data.SqlClient;
using System.Collections;
using AIMSModel;
using AIMSObjectQuery;
using System.Collections.Generic;
using HelperDB;

namespace AIMSDAL
{
    public partial class DAppliance
    {
        #region 插入实体操作部份
        /// <summary>
        /// 插入
        /// </summary>
        /// <param name="cmd">Command对象</param>
        /// <param name="appliance">实体类对象</param>
        /// <returns>标识列值或影响的记录行数</returns>
        public static int Insert(SqlCommand cmd, Appliance appliance)
        {
            cmd.Parameters.Clear();
            cmd.CommandText = "insert into Appliance (Name,HCode,ApplianceType,UseRate,IsValid,OperatorId,OperatorTime,Remark) values (@Name,@HCode,@ApplianceType,@UseRate,@IsValid,@OperatorId,@OperatorTime,@Remark);select @@identity";
            //从实体中取出值放入Command的参数列表
            cmd.Parameters.Add(new SqlParameter("@Name", appliance.Name == null ? (object)DBNull.Value : (object)appliance.Name));
            cmd.Parameters.Add(new SqlParameter("@HCode", appliance.HCode == null ? (object)DBNull.Value : (object)appliance.HCode));
            cmd.Parameters.Add(new SqlParameter("@ApplianceType", appliance.ApplianceType.HasValue ? (object)appliance.ApplianceType.Value : (object)DBNull.Value));
            cmd.Parameters.Add(new SqlParameter("@UseRate", appliance.UseRate.HasValue ? (object)appliance.UseRate.Value : (object)DBNull.Value));
            cmd.Parameters.Add(new SqlParameter("@IsValid", appliance.IsValid.HasValue ? (object)appliance.IsValid.Value : (object)DBNull.Value));
            cmd.Parameters.Add(new SqlParameter("@OperatorId", appliance.OperatorId.HasValue ? (object)appliance.OperatorId.Value : (object)DBNull.Value));
            cmd.Parameters.Add(new SqlParameter("@OperatorTime", appliance.OperatorTime.HasValue ? (object)appliance.OperatorTime.Value : (object)DBNull.Value));
            cmd.Parameters.Add(new SqlParameter("@Remark", appliance.Remark == null ? (object)DBNull.Value : (object)appliance.Remark));
            return Convert.ToInt32(cmd.ExecuteScalar());
        }
        /// <summary>
        /// 不使用事务的插入方法
        /// </summary>
        /// <param name="appliance">实体类对象</param>
        /// <returns>标识列值或影响的记录行数</returns>
        public static int Insert(Appliance appliance)
        {
            using (SqlConnection conn = new SqlConnection(Connection.ConnectionString))
            {
                conn.Open();
                using (SqlCommand cmd = conn.CreateCommand())
                {
                    return Insert(cmd, appliance);
                }
            }
        }

        /// <summary>
        /// 使用事务的插入方法
        /// </summary>
        /// <param name="connection">实现共享Connection的对象</param>
        /// <param name="appliance">实体类对象</param>
        /// <returns>标识列值或影响的记录行数</returns>
        public static int Insert(Connection connection, Appliance appliance)
        {
            return Insert(connection.Command, appliance);
        }
        #endregion

        #region 删除实体操作

        /// <summary>
        /// 删除
        /// </summary>
        /// <param name="cmd">Command对象</param>
        /// <param name="appliance">实体类对象</param>
        /// <returns>影响的记录行数</returns>
        public static int ExcuteDeleteCommand(SqlCommand cmd, Appliance appliance)
        {
            cmd.Parameters.Clear();
            cmd.CommandText = "delete from Appliance where Id=@Id";
            //从实体中取出值放入Command的参数列表
            cmd.Parameters.Add(new SqlParameter("@Id", appliance.Id));
            return cmd.ExecuteNonQuery();
        }
        /// <summary>
        /// 不使用事务的删除方法
        /// </summary>
        /// <param name="appliance">实体类对象</param>
        /// <returns>影响的记录行数</returns>
        public static int Delete(Appliance appliance)
        {
            using (SqlConnection conn = new SqlConnection(Connection.ConnectionString))
            {
                conn.Open();
                using (SqlCommand cmd = conn.CreateCommand())
                {
                    return ExcuteDeleteCommand(cmd, appliance);
                }
            }
        }
        /// <summary>
        /// 使用事务的删除方法
        /// </summary>
        /// <param name="connection">实现共享Connection的对象</param>
        /// <param name="appliance">实体类对象</param>
        /// <returns>影响的记录行数</returns>
        public static int Delete(Connection connection, Appliance appliance)
        {
            return ExcuteDeleteCommand(connection.Command, appliance);
        }

        /// <summary>
        /// 执行删除命令
        /// </summary>
        /// <param name="cmd">Command对象</param>
        /// <param name="oql">对象查询语句</param>
        /// <param name="parameters">参数列表</param>
        /// <returns>影响的记录行数</returns>
        public static int ExcuteDeleteCommand(SqlCommand cmd, string oql, ParameterList parameters)
        {
            //解析过滤部份Sql语句
            string filterString = SyntaxAnalyzer.ParseSql(oql, new ApplianceMap());
            if (filterString != string.Empty)
            {
                filterString = " where " + filterString;
            }
            cmd.Parameters.Clear();
            cmd.CommandText = "delete from Appliance " + filterString;
            //添加参数
            if (parameters != null)
            {
                foreach (string key in parameters.Keys)
                {
                    cmd.Parameters.Add(new SqlParameter(key, parameters[key]));
                }
            }
            return cmd.ExecuteNonQuery();
        }

        /// <summary>
        /// 不使用事务的删除方法
        /// </summary>
        /// <param name="oql">对象查询语句</param>
        /// <param name="parameters">参数列表</param>
        /// <returns>影响的记录行数</returns>
        public static int Delete(string oql, ParameterList parameters)
        {
            using (SqlConnection conn = new SqlConnection(Connection.ConnectionString))
            {
                conn.Open();
                using (SqlCommand cmd = conn.CreateCommand())
                {
                    return ExcuteDeleteCommand(cmd, oql, parameters);
                }
            }
        }

        /// <summary>
        /// 使用事务的删除方法
        /// </summary>
        /// <param name="connection">实现共享Connection的对象</param>
        /// <param name="oql">对象查询语句</param>
        /// <param name="parameters">参数列表</param>
        /// <returns>影响的记录行数</returns>
        public static int Delete(Connection connection, string oql, ParameterList parameters)
        {
            return ExcuteDeleteCommand(connection.Command, oql, parameters);
        }

        #endregion

        #region 更新实体操作

        /// <summary>
        /// 更新
        /// </summary>
        /// <param name="cmd">Command对象</param>
        /// <param name="appliance">实体类对象</param>
        /// <returns>影响的记录行数</returns>
        public static int ExcuteUpdateCommand(SqlCommand cmd, Appliance appliance)
        {
            cmd.CommandText = "update Appliance set Name=@Name,HCode=@HCode,ApplianceType=@ApplianceType,UseRate=@UseRate,IsValid=@IsValid,OperatorId=@OperatorId,OperatorTime=@OperatorTime,Remark=@Remark where Id=@Id";
            //从实体中取出值放入Command的参数列表
            cmd.Parameters.Add(new SqlParameter("@Name", appliance.Name == null ? (object)DBNull.Value : (object)appliance.Name));
            cmd.Parameters.Add(new SqlParameter("@HCode", appliance.HCode == null ? (object)DBNull.Value : (object)appliance.HCode));
            cmd.Parameters.Add(new SqlParameter("@ApplianceType", appliance.ApplianceType.HasValue ? (object)appliance.ApplianceType.Value : (object)DBNull.Value));
            cmd.Parameters.Add(new SqlParameter("@UseRate", appliance.UseRate.HasValue ? (object)appliance.UseRate.Value : (object)DBNull.Value));
            cmd.Parameters.Add(new SqlParameter("@IsValid", appliance.IsValid.HasValue ? (object)appliance.IsValid.Value : (object)DBNull.Value));
            cmd.Parameters.Add(new SqlParameter("@OperatorId", appliance.OperatorId.HasValue ? (object)appliance.OperatorId.Value : (object)DBNull.Value));
            cmd.Parameters.Add(new SqlParameter("@OperatorTime", appliance.OperatorTime.HasValue ? (object)appliance.OperatorTime.Value : (object)DBNull.Value));
            cmd.Parameters.Add(new SqlParameter("@Remark", appliance.Remark == null ? (object)DBNull.Value : (object)appliance.Remark));
            cmd.Parameters.Add(new SqlParameter("@Id", appliance.Id));
            return cmd.ExecuteNonQuery();
        }

        /// <summary>
        /// 不使用事务的更新方法
        /// </summary>
        /// <param name="appliance">实体类对象</param>
        /// <returns>影响的记录行数</returns>
        public static int Update(Appliance appliance)
        {
            using (SqlConnection conn = new SqlConnection(Connection.ConnectionString))
            {
                conn.Open();
                using (SqlCommand cmd = conn.CreateCommand())
                {
                    return ExcuteUpdateCommand(cmd, appliance);
                }
            }
        }
        /// <summary>
        /// 使用事务的更新方法
        /// </summary>
        /// <param name="connection">实现共享Connection的对象</param>
        /// <param name="appliance">实体类对象</param>
        /// <returns>影响的记录行数</returns>
        public static int Update(Connection connection, Appliance appliance)
        {
            return ExcuteUpdateCommand(connection.Command, appliance);
        }
        /// <summary>
        /// 执行更新命令
        /// </summary>
        /// <param name="cmd">Command对象</param>
        /// <param name="oql">对象查询语句</param>
        /// <param name="parameters">参数列表</param>
        /// <returns>影响的记录行数</returns>
        public static int ExcuteUpdateCommand(SqlCommand cmd, string oql, ParameterList parameters)
        {
            //解析过滤部份Sql语句
            string updateString = SyntaxAnalyzer.ParseSql(oql, new ApplianceMap());
            cmd.CommandText = "update Appliance set " + updateString;
            cmd.Parameters.Clear();
            //添加参数
            if (parameters != null)
            {
                foreach (string key in parameters.Keys)
                {
                    cmd.Parameters.Add(new SqlParameter(key, parameters[key]));
                }
            }
            return cmd.ExecuteNonQuery();
        }

        /// <summary>
        /// 不使用事务的更新方法
        /// </summary>
        /// <param name="oql">对象查询语句</param>
        /// <param name="parameters">参数列表</param>
        /// <returns>影响的记录行数</returns>
        public static int Update(string oql, ParameterList parameters)
        {
            using (SqlConnection conn = new SqlConnection(Connection.ConnectionString))
            {
                conn.Open();
                using (SqlCommand cmd = conn.CreateCommand())
                {
                    return ExcuteUpdateCommand(cmd, oql, parameters);
                }
            }
        }

        /// <summary>
        /// 使用事务的更新方法
        /// </summary>
        /// <param name="connection">实现共享Connection的对象</param>
        /// <param name="oql">对象查询语句</param>
        /// <param name="parameters">参数列表</param>
        /// <returns>影响的记录行数</returns>
        public static int Update(Connection connection, string oql, ParameterList parameters)
        {
            return ExcuteUpdateCommand(connection.Command, oql, parameters);
        }
        #endregion

        #region 查询实体集合
        /// <summary>
        /// 执行Command获取对象列表
        /// </summary>
        /// <param name="cmd">Command对象</param>
        /// <param name="recursiveType">递归类型</param>
        /// <param name="recursiveDepth">递归深度</param>
        /// <returns>实体类对象列表</returns>
        public static List<Appliance> ExcuteSelectCommand(SqlCommand cmd, RecursiveType recursiveType, int recursiveDepth)
        {
            List<Appliance> applianceList = new List<Appliance>();
            using (SqlDataReader dr = cmd.ExecuteReader())
            {
                while (dr.Read())
                {
                    Appliance appliance = DataReaderToEntity(dr);
                    applianceList.Add(appliance);
                }
            }
            return applianceList;
        }
        /// <summary>
        /// 执行查询命令
        /// </summary>
        /// <param name="cmd">Command对象</param>
        /// <param name="oql">对象查询语句</param>
        /// <param name="parameters">参数列表</param>
        /// <param name="recursiveType">递归类型</param>
        /// <param name="recursiveDepth">递归深度</param>
        /// <returns>实体类对象集合</returns>
        public static List<Appliance> ExcuteSelectCommand(SqlCommand cmd, string oql, ParameterList parameters, RecursiveType recursiveType, int recursiveDepth)
        {
            //解析过滤部份Sql语句
            string filterString = SyntaxAnalyzer.ParseSql(oql, new ApplianceMap());
            if (filterString != string.Empty)
            {
                if (filterString.Trim().ToLower().IndexOf("order ") != 0)
                    filterString = " where " + filterString;
            }
            cmd.Parameters.Clear();
            cmd.CommandText = "select * from Appliance " + filterString;
            //添加参数
            if (parameters != null)
            {
                foreach (string key in parameters.Keys)
                {
                    cmd.Parameters.Add(new SqlParameter(key, parameters[key]));
                }
            }
            return ExcuteSelectCommand(cmd, recursiveType, recursiveDepth);
        }

        /// <summary>
        /// 根据对象查询语句查询实体集合
        /// </summary>
        /// <returns>实体类对象集合</returns>
        public static List<Appliance> Select()
        {
            using (SqlConnection conn = new SqlConnection(Connection.ConnectionString))
            {
                conn.Open();
                using (SqlCommand cmd = conn.CreateCommand())
                {
                    cmd.CommandText = "select * from Appliance";
                    return ExcuteSelectCommand(cmd, RecursiveType.Parent, 1);
                }
            }
        }
        /// <summary>
        /// 根据对象查询语句查询实体集合
        /// </summary>
        /// <param name="recursiveType">递归类型</param>
        /// <param name="recursiveDepth">递归深度</param>
        /// <returns>实体类对象集合</returns>
        public static List<Appliance> Select(RecursiveType recursiveType, int recursiveDepth)
        {
            using (SqlConnection conn = new SqlConnection(Connection.ConnectionString))
            {
                conn.Open();
                using (SqlCommand cmd = conn.CreateCommand())
                {
                    cmd.CommandText = "select * from Appliance";
                    return ExcuteSelectCommand(cmd, recursiveType, recursiveDepth);
                }
            }
        }

        /// <summary>
        /// 根据对象查询语句查询实体集合
        /// </summary>
        /// <param name="oql">对象查询语句</param>
        /// <param name="parameters">参数列表</param>
        /// <returns>实体类对象集合</returns>
        public static List<Appliance> Select(string oql, ParameterList parameters)
        {
            using (SqlConnection conn = new SqlConnection(Connection.ConnectionString))
            {
                conn.Open();
                using (SqlCommand cmd = conn.CreateCommand())
                {
                    return ExcuteSelectCommand(cmd, oql, parameters, RecursiveType.Parent, 1);
                }
            }
        }

        /// <summary>
        /// 根据对象查询语句查询实体集合
        /// </summary>
        /// <param name="oql">对象查询语句</param>
        /// <param name="parameters">参数列表</param>
        /// <param name="recursiveType">递归类型</param>
        /// <param name="recursiveDepth">递归深度</param>
        /// <returns>实体类对象集合</returns>
        public static List<Appliance> Select(string oql, ParameterList parameters, RecursiveType recursiveType, int recursiveDepth)
        {
            using (SqlConnection conn = new SqlConnection(Connection.ConnectionString))
            {
                conn.Open();
                using (SqlCommand cmd = conn.CreateCommand())
                {
                    return ExcuteSelectCommand(cmd, oql, parameters, recursiveType, recursiveDepth);
                }
            }
        }

        /// <summary>
        /// 根据对象查询语句查询实体集合（启用事务）
        /// </summary>
        /// <param name="connection">连接对象</param>
        /// <param name="oql">对象查询语句</param>
        /// <param name="parameters">参数列表</param>
        /// <param name="recursiveType">递归类型</param>
        /// <param name="recursiveDepth">递归深度</param>
        /// <returns>实体类对象集合</returns>
        public static List<Appliance> Select(Connection connection, string oql, ParameterList parameters, RecursiveType recursiveType, int recursiveDepth)
        {
            return ExcuteSelectCommand(connection.Command, oql, parameters, recursiveType, recursiveDepth);
        }
        #endregion

        #region 查询单个实体

        /// <summary>
        /// 递归查询单个实体
        /// </summary>
        /// <param name="cmd">Command对象</param>
        /// <param name="recursiveType">递归类型</param>
        /// <param name="recursiveDepth">递归深度</param>
        /// <returns>实体对象</returns>
        public static Appliance ExcuteSelectSingleCommand(SqlCommand cmd, RecursiveType recursiveType, int recursiveDepth)
        {
            Appliance appliance = null;
            using (SqlDataReader dr = cmd.ExecuteReader())
            {
                if (dr.Read())
                    appliance = DataReaderToEntity(dr);
            }
            if (appliance == null)
                return appliance;
            return appliance;
        }
        /// <summary>
        /// 更据对象查询语句递归查询单个实体
        /// </summary>
        /// <param name="cmd">Command对象</param>
        /// <param name="oql">对象查询语句</param>
        /// <param name="parameters">参数列表</param>
        /// <param name="recursiveType">递归类型</param>
        /// <param name="recursiveDepth">递归深度</param>
        /// <returns>实体对象</returns>
        public static Appliance ExcuteSelectSingleCommand(SqlCommand cmd, string oql, ParameterList parameters, RecursiveType recursiveType, int recursiveDepth)
        {
            //解析过滤部份Sql语句
            string filterString = SyntaxAnalyzer.ParseSql(oql, new ApplianceMap());
            if (filterString != string.Empty)
            {
                filterString = " where " + filterString;
            }
            cmd.CommandText = "select * from Appliance " + filterString;
            cmd.Parameters.Clear();
            //添加参数
            if (parameters != null)
            {
                foreach (string key in parameters.Keys)
                {
                    cmd.Parameters.Add(new SqlParameter(key, parameters[key]));
                }
            }
            return ExcuteSelectSingleCommand(cmd, recursiveType, recursiveDepth);
        }

        /// <summary>
        /// 更据对象查询语句递归查询单个实体
        /// </summary>
        /// <param name="cmd">Command对象</param>
        /// <param name="oql">对象查询语句</param>
        /// <param name="parameters">参数列表</param>
        /// <param name="recursiveType">递归类型</param>
        /// <param name="recursiveDepth">递归深度</param>
        /// <returns>实体对象</returns>
        public static Appliance SelectSingle(string oql, ParameterList parameters, RecursiveType recursiveType, int recursiveDepth)
        {
            using (SqlConnection conn = new SqlConnection(Connection.ConnectionString))
            {
                conn.Open();
                using (SqlCommand cmd = conn.CreateCommand())
                {
                    return ExcuteSelectSingleCommand(cmd, oql, parameters, recursiveType, recursiveDepth);
                }
            }
        }

        /// <summary>
        /// 更据对象查询语句查询单个实体
        /// </summary>
        /// <param name="cmd">Command对象</param>
        /// <param name="oql">对象查询语句</param>
        /// <param name="parameters">参数列表</param>
        /// <returns>实体对象</returns>
        public static Appliance SelectSingle(string oql, ParameterList parameters)
        {
            return SelectSingle(oql, parameters, RecursiveType.Parent, 1);
        }

        /// <summary>
        /// 更据对象查询语句并启用事务查询单个实体
        /// </summary>
        /// <param name="connection">连接对象</param>
        /// <param name="oql">对象查询语句</param>
        /// <param name="parameters">参数列表</param>
        /// <returns>实体对象</returns>
        public static Appliance SelectSingle(Connection connection, string oql, ParameterList parameters, RecursiveType recursiveType, int recursiveDepth)
        {
            return ExcuteSelectSingleCommand(connection.Command, oql, parameters, recursiveType, recursiveDepth);
        }

        /// <summary>
        /// 更据主键值递归查询单个实体
        /// </summary>
        /// <param name="cmd">Command对象</param>
        /// <param name="id">主键值</param>
        /// <param name="recursiveType">递归类型</param>
        /// <param name="recursiveDepth">递归深度</param>
        /// <returns>实体对象</returns>
        public static Appliance SelectSingle(SqlCommand cmd, int? id, RecursiveType recursiveType, int recursiveDepth)
        {
            cmd.Parameters.Clear();
            if (id.HasValue)
            {
                cmd.CommandText = "select * from Appliance where Id=@pk";
                cmd.Parameters.Add(new SqlParameter("@pk", id.Value));
            }
            else
            {
                cmd.CommandText = "select * from Appliance where Id is null";
            }
            return ExcuteSelectSingleCommand(cmd, recursiveType, recursiveDepth);
        }

        /// <summary>
        /// 按主键字段查询特定实体
        /// </summary>
        /// <param name="id">主键值</param>
        /// <returns>实体类对象</returns>
        public static Appliance SelectSingle(int? id)
        {
            using (SqlConnection conn = new SqlConnection(Connection.ConnectionString))
            {
                conn.Open();
                using (SqlCommand cmd = conn.CreateCommand())
                {
                    return SelectSingle(cmd, id, RecursiveType.Parent, 1);
                }
            }
        }
        /// <summary>
        /// 按主键字段查询特定实体
        /// </summary>
        /// <param name="id">主键值</param>
        /// <param name="recursiveType">递归类型</param>
        /// <param name="recursiveDepth">递归深度</param>
        /// <returns>实体类对象</returns>
        public static Appliance SelectSingle(int? id, RecursiveType recursiveType, int recursiveDepth)
        {
            using (SqlConnection conn = new SqlConnection(Connection.ConnectionString))
            {
                conn.Open();
                using (SqlCommand cmd = conn.CreateCommand())
                {
                    return SelectSingle(cmd, id, recursiveType, recursiveDepth);
                }
            }
        }

        /// <summary>
        /// 使用事务并按主键字段查询特定实体
        /// </summary>
        /// <param name="connection">连接对象</param>
        /// <param name="id">主键值</param>
        /// <returns>实体类对象</returns>
        public static Appliance SelectSingle(Connection connection, int? id, RecursiveType recursiveType, int recursiveDepth)
        {
            return SelectSingle(connection.Command, id, recursiveType, recursiveDepth);
        }
        #endregion


        /// <summary>
        /// 从DataReader中取出值生成实体对象
        /// </summary>
        /// <param name="searcher">查询对象</param>
        /// <returns>过滤条件字符串</returns>
        private static Appliance DataReaderToEntity(SqlDataReader dr)
        {
            Appliance entity = new Appliance();
            if (dr["Id"] != System.DBNull.Value)
            {
                entity.Id = Convert.ToInt32(dr["Id"]);
            }
            if (dr["Name"] != System.DBNull.Value)
            {
                entity.Name = dr["Name"].ToString();
            }
            if (dr["HCode"] != System.DBNull.Value)
            {
                entity.HCode = dr["HCode"].ToString();
            }
            if (dr["ApplianceType"] != System.DBNull.Value)
            {
                entity.ApplianceType = Convert.ToInt32(dr["ApplianceType"]);
            }
            if (dr["UseRate"] != System.DBNull.Value)
            {
                entity.UseRate = Convert.ToInt32(dr["UseRate"]);
            }
            if (dr["IsValid"] != System.DBNull.Value)
            {
                entity.IsValid = Convert.ToInt32(dr["IsValid"]);
            }
            if (dr["OperatorId"] != System.DBNull.Value)
            {
                entity.OperatorId = Convert.ToInt32(dr["OperatorId"]);
            }
            if (dr["OperatorTime"] != System.DBNull.Value)
            {
                entity.OperatorTime = Convert.ToDateTime(dr["OperatorTime"]);
            }
            if (dr["Remark"] != System.DBNull.Value)
            {
                entity.Remark = dr["Remark"].ToString();
            }
            return entity;
        }

        /// <summary>
        /// 根据名称或助记码关键字得到器械
        /// </summary>
        /// <param name="str"></param>
        /// <returns></returns>
        public static DataTable GetApplianiceByName(string str, int type)
        {
            string sql = string.Empty;
            if (str.Equals("") || str.Equals(null))
            {
                if (type == -1)
                {
                    sql = string.Format("select * from Appliance where IsValid=1");
                }
                else
                {
                    sql = string.Format("select * from Appliance where IsValid=1 and ApplianceType={0}", type);
                }
            }
            else
            {
                if (type == -1)
                {
                    sql = string.Format("select * from Appliance where IsValid=1 and (Name like '%{0}%' or HCode like '%{0}%')", str, type);
                }
                else
                {
                    sql = string.Format("select * from Appliance where IsValid=1 and ApplianceType={1} and (Name like '%{0}%' or HCode like '%{0}%')", str, type);
                }
            }
            return DBHelper.GetDataTable(sql);
        }
        /// <summary>
        /// 根据Id字符串得到器械，字符串为：“1，2，3”
        /// </summary>
        /// <param name="ids"></param>
        /// <returns></returns>
        public static DataTable GetApplianiceByIds(string ids)
        {
            if (ids != null && ids.Length > 0)
            {
                string sql = string.Format("select * from Appliance where  Id in({0})  order by charindex(','+rtrim(cast(id as varchar(10)))+',',',{0},')", ids);//IsValid=1 and
                return DBHelper.GetDataTable(sql);
            }
            else
            {
                string sql = string.Format("select * from Appliance  where 1<>1 ");
                return DBHelper.GetDataTable(sql);
            }
        }
    }
}