[英]Get return value from stored procedure - LINQ
I want to get the return value in stored procedure using LINQ, EF. 我想使用LINQ,EF获得存储过程中的返回值。 I have seen solutions with T-SQL but that method does not solve the problem. 我已经看到了使用T-SQL的解决方案,但是该方法不能解决问题。 I need to solve it with LINQ. 我需要用LINQ解决。
Return 0 I want to take 1 and -1 according to the result 返回0我想根据结果取1和-1
Stored procedure: 存储过程:
ALTER PROCEDURE [dbo].[Login]
@inTcNu CHAR(11),
@inPass NVARCHAR(MAX),
@inIP NVARCHAR(40),
@rolNu TINYINT OUTPUT,
@kulNu INT OUTPUT
AS
BEGIN
SELECT @kulNu = kullaniciID, @rolNu = rolID
FROM Kullanici WITH(NOLOCK)
WHERE tcNumarasi = @inTcNu AND parola = @inPass;
IF @rolNu >= 0 AND @kulNu >= 0
BEGIN
INSERT INTO Oturum (tcNumarasi, oturumIP, parola, oturumZamani, girisBasarili)
VALUES (@inTcNu, @inIP, @inPass, GETDATE(), 1);
RETURN 1;
END
ELSE
BEGIN
INSERT INTO Oturum (tcNumarasi, oturumIP, parola, oturumZamani, girisBasarili)
VALUES (@inTcNu, @inIP, @inPass, GETDATE(), 0);
RETURN 0;
END
RETURN -1;
END
C#, LINQ, EF C#,LINQ,EF
using (var ctx = new ktdbEntities())
{
var IP = networkUtils.GetIP();
var rolNu = new ObjectParameter("rolNu", typeof(int));
var kulNu = new ObjectParameter("kulNu", typeof(int));
var output = ctx.Login(model.tcNumarasi, model.parola, IP, rolNu, kulNu);
object value1 = rolNu.Value;
object value2 = kulNu.Value;
}
You can't return values from Stored Procedure like this. 您不能像这样从存储过程中返回值。 You can pass output parameter to achieve it. 您可以传递输出参数来实现。
Firstly I modified your sp like this; 首先,我这样修改了您的sp;
ALTER PROCEDURE [dbo].[Login]
@inTcNu CHAR(11),
@inPass NVARCHAR(MAX),
@inIP NVARCHAR(40),
@rolNu TINYINT OUTPUT,
@kulNu INT OUTPUT,
@result INT OUTPUT
AS
BEGIN
SELECT @kulNu = kullaniciID, @rolNu = rolID
FROM Kullanici WITH(NOLOCK)
WHERE tcNumarasi = @inTcNu AND parola = @inPass;
IF @rolNu >= 0 AND @kulNu >= 0
BEGIN
INSERT INTO Oturum (tcNumarasi, oturumIP, parola, oturumZamani, girisBasarili)
VALUES (@inTcNu, @inIP, @inPass, GETDATE(), 1);
set @result = 1;
END
ELSE
BEGIN
INSERT INTO Oturum (tcNumarasi, oturumIP, parola, oturumZamani, girisBasarili)
VALUES (@inTcNu, @inIP, @inPass, GETDATE(), 0);
set @result = 0;
END
set @result = -1;
END
And then I couldn't see ctx.Login
method but I assume that you are executing the stored procedure inside it. 然后我看不到ctx.Login
方法,但我假设您正在其中执行存储过程。
using (var ctx = new ktdbEntities())
{
var IP = networkUtils.GetIP();
var rolNu = new ObjectParameter("rolNu", typeof(int));
var kulNu = new ObjectParameter("kulNu", typeof(int));
var resultParam = new ObjectParameter("result", typeof(int));
var output = ctx.Login(model.tcNumarasi, model.parola, IP, rolNu, kulNu,resultParam);
object value1 = rolNu.Value;
object value2 = kulNu.Value;
object result = resultParam.Value; //Get output value
}
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