LambdaToSql/DbHelper/MsSqlServer.cs

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using System;
using System.Collections.Generic;
using System.Configuration;
using System.Data;
using System.Data.Common;
using System.Data.SqlClient;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Web;

namespace LambdaToSql.DbHelper
{
    internal class MsSqlServer : IDBhelper
    {
        internal LambdaToSql.EntityModel.DbContext Context { get; set; }

        #region MS Sql Server IDataReader 

        /// <summary>
        /// 返回IDataReader
        /// </summary>
        /// <param name="sqlStr">sql语句</param>
        /// <param name="parameter">object参数数组</param>

        /// <returns>返回IDataReader</returns>
        public virtual IDataReader ExecuteReader(string sqlStr, object parameter = null)
        {
            using (var Comm = GetSqlCommand(sqlStr, parameter))
            {
                IDataReader sdr;
                if (this.Context.Trans != null)
                {
                    sdr = (IDataReader)Comm.ExecuteReader();
                }
                else
                {
                    sdr = (IDataReader)Comm.ExecuteReader(CommandBehavior.CloseConnection);
                }
                return (IDataReader)sdr;
            }
        }
        /// <summary>
        /// 返回 IDataReader
        /// </summary>
        /// <param name="sqlStr">sql语句</param>
        /// <param name="parameters">object参数数组</param>

        /// <returns>返回值 IDataReader类型的参数</returns>
        public virtual IDataReader ExecuteReader(string sqlStr, object[] parameters)
        {
            using (var Comm = GetSqlCommand(sqlStr, parameters))
            {
                IDataReader sdr;
                if (this.Context.Trans != null)
                {
                    sdr = (IDataReader)Comm.ExecuteReader();
                }
                else
                {