1.后台调用带参数的存储过程详解
例:
注明:@AnalysisDate,@Process_PTR为存储过程参数
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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;
}
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2.存储过程创建语句
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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
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原文链接:http://www.cnblogs.com/Resources-blogs/p/6600668.html