Msg 8164, Level 16, State 1, Procedure getSalaryMonth, Line 31 [Batch Start Line 13] An INSERT EXEC statement cannot be nested. code example

Example 1: Msg 8164, Level 16, State 1, Procedure getSalaryMonth, Line 31 [Batch Start Line 13] An INSERT EXEC statement cannot be nested.

-- Option #1 : Integrate First Stored Procedure with the Second Stored Procedure
CREATE PROCEDURE [dbo].[usp_GetStudentGrades]
    @SubjectID			INT
AS

DECLARE @Students TABLE (
    [StudentID]        INT,
    [StudentName]      VARCHAR(50)
)

INSERT INTO @Students ( [StudentID], [StudentName] )
SELECT B.[StudentID], B.[StudentName]
FROM [dbo].[StudentSubject] A INNER JOIN [dbo].[Student] B
                                      ON A.[StudentID] = B.[StudentID]
WHERE A.[SubjectID] = @SubjectID

SELECT A.[StudentID], A.[StudentName], C.[Grade]
FROM @Students A INNER JOIN [dbo].[StudentSubject] B
                         ON A.[StudentID] = B.[StudentID]
                 INNER JOIN [dbo].[StudentGrade] C
                         ON B.[StudentSubjectID] = C.[StudentSubjectID]
GO

Example 2: Msg 8164, Level 16, State 1, Procedure getSalaryMonth, Line 31 [Batch Start Line 13] An INSERT EXEC statement cannot be nested.

-- Option #3 : Use OPENROWSET
DECLARE @StudentGrades TABLE (
    [StudentID]        INT,
    [StudentName]      VARCHAR(100),
    [Grade]            DECIMAL(4, 1)
)

INSERT INTO @StudentGrades ( [StudentID], [StudentName], [Grade] )
SELECT A.*
FROM OPENROWSET('SQLNCLI', 'Server=.;Database=SQL2008;Uid=sshelper;Pwd=sshelper',
     'EXECUTE [dbo].[usp_GetStudentGrades] 1 ') AS a

SELECT * FROM @StudentGrades

Example 3: Msg 8164, Level 16, State 1, Procedure getSalaryMonth, Line 31 [Batch Start Line 13] An INSERT EXEC statement cannot be nested.

DECLARE @StudentGrades TABLE (
    [StudentID]        INT,
    [StudentName]      VARCHAR(100),
    [Grade]            DECIMAL(4, 1)
)

INSERT INTO @StudentGrades ( [StudentID], [StudentName], [Grade] )
EXECUTE [dbo].[usp_GetStudentGrades] 1
GO

Example 4: Msg 8164, Level 16, State 1, Procedure getSalaryMonth, Line 31 [Batch Start Line 13] An INSERT EXEC statement cannot be nested.

-- Option #2 : Convert Stored Procedure to a Table-Valued Function
CREATE FUNCTION [dbo].[ufn_SearchStudents] (
    @SubjectID			INT
)
RETURNS TABLE 
AS
RETURN (
    SELECT B.[StudentID], B.[StudentName]
    FROM [dbo].[StudentSubject] A INNER JOIN [dbo].[Student] B
                                          ON A.[StudentID] = B.[StudentID]
    WHERE A.[SubjectID] = @SubjectID
)
GO

Example 5: Msg 8164, Level 16, State 1, Procedure getSalaryMonth, Line 31 [Batch Start Line 13] An INSERT EXEC statement cannot be nested.

DECLARE @StudentGrades TABLE (
    [StudentID]          INT,
    [StudentName]        VARCHAR(100),
    [Grade]              DECIMAL(4, 1)
)

INSERT INTO @StudentGrades ( [StudentID], [StudentName], [Grade] )
EXECUTE [dbo].[usp_GetStudentGrades] 1
GO