LambdaToSql/FrameWork/SqlHelper.cs

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

namespace L2Sql.FrameWork
{
    public class DbHelper
    {
        /*=========MS Sql Server 开始===============*/

        #region MS Sql Server IDataReader

        /// <summary>
        /// 返回 IDataReader
        /// </summary>
        /// <param name="SqlStr">sql语句</param>
        /// <param name="ConnName">连接字符串名称</param>
        /// <returns>返回IDataReader</returns>
        public IDataReader ExecuteReader(string SqlStr, string ConnName = "ConnectionString")
        {
            SqlConnection Conn = new SqlConnection(ConfigurationManager.ConnectionStrings[ConnName].ToString());
            SqlCommand Comm = new SqlCommand(SqlStr, Conn);
            Conn.Open();
            return (IDataReader)Comm.ExecuteReader(CommandBehavior.CloseConnection);
        }

        /// <summary>
        /// 返回IDataReader
        /// </summary>
        /// <param name="SqlStr">sql语句</param>
        /// <param name="Params">object参数数组</param>
        /// <param name="ConnName">数据库连接字符串</param>
        /// <returns>返回IDataReader</returns>
        public IDataReader ExecuteReader(string SqlStr, object Params, string ConnName = "ConnectionString")
        {
            SqlConnection Conn = new SqlConnection(ConfigurationManager.ConnectionStrings[ConnName].ToString());
            Conn.Open();
            SqlCommand Comm = new SqlCommand(SqlStr, Conn);
            if (Params != null)
            {
                Comm.Parameters.Add(Params);
            }
            IDataReader sdr = Comm.ExecuteReader(CommandBehavior.CloseConnection);
            Comm.Parameters.Clear();
            return (IDataReader)sdr;
        }
        /// <summary>
        /// 返回 IDataReader
        /// </summary>
        /// <param name="SqlStr">sql语句</param>
        /// <param name="Params">object参数数组</param>
        /// <param name="ConnName">数据库连接字符串</param>
        /// <returns>返回值 IDataReader类型的参数</returns>
        public IDataReader ExecuteReader(string SqlStr, object[] Params, string ConnName = "ConnectionString")