C# 使用实体框架从存储过程获取多个字符串输出
以下存储过程显示三个字符串和一个表行结果作为输出。 是否有任何方法可以使用实体框架在mvc视图输出面板上显示所有结果 我可以在下面的代码中看到第一个字符串结果。但是,是否还有其他两个select字符串输出和 表中的行显示结果C# 使用实体框架从存储过程获取多个字符串输出,c#,sql,entity-framework,model-view-controller,C#,Sql,Entity Framework,Model View Controller,以下存储过程显示三个字符串和一个表行结果作为输出。 是否有任何方法可以使用实体框架在mvc视图输出面板上显示所有结果 我可以在下面的代码中看到第一个字符串结果。但是,是否还有其他两个select字符串输出和 表中的行显示结果 private CustomerEntities db = new CustomerEntities(); public ActionResult Index() { var results = db.usp_Cust
private CustomerEntities db = new CustomerEntities();
public ActionResult Index()
{
var results = db.usp_CustomerData("124544", 1500);
var abc = results.ToList();
return View();
}
ALTER PROCEDURE [dbo].[usp_CustomerData]
@CustomerID varchar(6),
@MinsBack int
AS
BEGIN
DECLARE @Count int
SET @Count = (SELECT Count(*)
FROM Customer WITH (NOLOCK)
WHERE CustomerID = @CustomerID AND
DATEDIFF(mi, ReceivedAt, GETUTCDATE()) < @MinsBack)
IF (@Count = 1)
SELECT 'Ok: 1 message in Customer table'
ELSE
SELECT 'ERROR: Expected 1 message in Customer table, but found ' + CONVERT(varchar(3), @Count) + ' messages.'
SET @Count = (SELECT Count(*)
FROM CustomerDetails WITH (NOLOCK)
WHERE CustomerID = @CustomerID AND
DATEDIFF(mi, LastUpdatedAt, GETDATE()) < @MinsBack)
IF (@Count = 1)
SELECT 'Ok: 1 record in CustomerDetails table'
ELSE
SELECT 'ERROR: Expected 1 record in CustomerDetails table, but found ' + CONVERT(varchar(3), @Count) + ' records.'
SET @Count = (SELECT Count(*)
FROM CustomerProduct WITH (NOLOCK)
WHERE CustomerID = @CustomerID AND
DATEDIFF(mi, LastUpdatedAt, GETDATE()) < @MinsBack)
IF (@Count = 1)
SELECT 'Ok: 1 record in CustomerProduct table'
ELSE
SELECT 'ERROR: Expected 1 record in CustomerProduct table, but found ' + CONVERT(varchar(3), @Count) + ' records.'
SELECT *FROM Customer where customerID = @CustomerID
END
根据建议,您可以在SQL脚本中创建一个临时表,用作临时存储
CREATE TABLE #Results
(
Message VARCHAR(512)
)
您应该将字符串插入临时表,而不是在每个IF或ELSE中直接选择。
最后,您可以通过以下方式实现让所有插入的字符串返回它们的目标:
SELECT * FROM #Results
要获得客户(就像您在最后所做的那样),您应该触发对数据库的新查询
根据您的情况,您应该考虑用数据上下文查询数据库,而不是通过存储过程查询数据库。
您需要做一些建议,但我总结如下
对于每个结果集,您需要执行reader.NextResultvar someReturnObject = new ResultObject();
using (var context = new LinqPadDbContext(@"Server=localhost\SQLEXPRESS;Database=StackOverflow;Trusted_Connection=True;"))
{
var cmd = context.Database.Connection.CreateCommand();
cmd.CommandText = "[dbo].[GetSomeData]";
try
{
context.Database.Connection.Open();
var reader = cmd.ExecuteReader();
var result1 = ((IObjectContextAdapter)context).ObjectContext.Translate<string>(reader);
someResultObject.Text1 = result1.First();
//for each extra result, start here
reader.NextResult();
var users = ((IObjectContextAdapter)context).ObjectContext.Translate<User>(reader);
someResultObject.Users = users.Select(x => x);
//stop here
}
finally
{
context.Database.Connection.Close();
}
}
结合其他答案,只需处理两个输出。