Asp .net 调用带参数的存储过程

　　　　　　　 IDataParameter[] iDataDi = new SqlParameter[2];
 iDataDi[0] = new SqlParameter("@AnalysisDate", showDate);
 iDataDi[1] = new SqlParameter("@Process_PTR", ID);
 //获取检测项所选日期的不同时间
 dtDifferTime = SqlHelper.RunProceduresByParameter("pro_GetDifferenceTimeInfos", iDataDi);
　　　　　　 //SqlHelper中的 RunProceduresByParameter(string storedProcName, IDataParameter[] parameters)方法：
　　 /// <summary>
 /// 执行带参数的存储过程，返回DataSet类型
 /// </summary>
 /// <param name="storedProcName"></param>
 /// <param name="parameters"></param>
 /// <returns></returns>
 public static DataSet RunProceduresByParameter(string storedProcName, IDataParameter[] parameters)
 {
 using (SqlConnection connection = new SqlConnection(connectionString))
 {
 DataSet dataSet = new DataSet();
 connection.Open();
 SqlDataAdapter sqlDA = new SqlDataAdapter();
 sqlDA.SelectCommand = BuildQueryCommand(connection, storedProcName, parameters);
 sqlDA.Fill(dataSet);
 connection.Close();
 connection.Dispose();
 return dataSet;
 }
 }
　　 /// <summary> 
 /// 构建 SqlCommand 对象(用来返回一个结果集，而不是一个整数值) 
 /// </summary> 
 /// <param name="connection">数据库连接</param> 
 /// <param name="storedProcName">存储过程名</param> 
 /// <param name="parameters">存储过程参数</param> 
 /// <returns>SqlCommand</returns> 
 private static SqlCommand BuildQueryCommand(SqlConnection connection, string storedProcName, IDataParameter[] parameters)
 {
 SqlCommand command = new SqlCommand(storedProcName, connection);
 command.CommandType = CommandType.StoredProcedure;
 foreach (SqlParameter parameter in parameters)
 {
 command.Parameters.Add(parameter);
 }
 return command;
 }

USE [RedBSys_DB]
GO
/****** Object: StoredProcedure [dbo].[pro_GetDifferenceTimeInfos] Script Date: 2017-03-22 16:34:13 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
 --获取检测项当天日期不同时间
CREATE proc [dbo].[pro_GetDifferenceTimeInfos]
 @AnalysisDate varchar(50),
 @Process_PTR int
AS
 select distinct(AnalysisDate) from Assay_BillMain
 where CONVERT(varchar(100),AnalysisDate, 23)=@AnalysisDate and Process_PTR=@Process_PTR 
 order by AnalysisDate ASC
GO