SQL Query to C# Sql query string

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How to convert Following SQL code to C# query

SQL

DECLARE @TempTab  TABLE(ValueType CHAR,Num INT)
		INSERT INTO @TempTab VALUES('E',0)
		INSERT INTO @TempTab VALUES('V',1)
		INSERT INTO @TempTab VALUES('H',2)
		SELECT HYS_UserEmployeeFieldAccess.EmployeeFieldEntityTypeParamID,HYS_UserEmployeeFieldAccess.EmployeeFieldEntityTypeID,
		HYS_UserEmployeeFieldAccess.EmployeeFieldLabel,(SELECT Tem.ValueType FROM @TempTab AS Tem where Num = MIN(T.Num))AS EmployeeFieldAccessType
		FROM HYS_UserEmployeeFieldAccess INNER JOIN @TempTab AS T ON HYS_UserEmployeeFieldAccess.EmployeeFieldAccessType=T.ValueType
		WHERE (UserId IN(SELECT UserRoleId FROM HYS_UserRoleLink WHERE UserId=27) OR UserId=27 )
		GROUP BY dbo.HYS_UserEmployeeFieldAccess.EmployeeFieldEntityTypeParamID, dbo.HYS_UserEmployeeFieldAccess.EmployeeFieldEntityTypeID, dbo.HYS_UserEmployeeFieldAccess.EmployeeFieldLabel

Posted 16-May-14 22:55pm

Sadique KT

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2 solutions

Solution 1

You can use Linqer for that.

Linqer:
Linqer is a SQL to LINQ conversion tool. It helps learning LINQ and convert existing SQL statements.

Here is the Link : Linqer

Posted 17-May-14 0:37am

Sampath Lokuge

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Sadique KT · Accepted Answer · 2014-05-18T19:55:00

SQL

WITH temptb ( ValueType, Num )
AS ( SELECT 'E' AS ValueType ,
0 AS Num
UNION
SELECT 'V' AS ValueType ,
1 AS Num
UNION
SELECT 'H' AS ValueType ,
2 AS Num
)
SELECT HYS_UserEmployeeFieldAccess.EmployeeFieldEntityTypeParamID ,
HYS_UserEmployeeFieldAccess.EmployeeFieldEntityTypeID ,
HYS_UserEmployeeFieldAccess.EmployeeFieldLabel ,
( SELECT Tem.ValueType
FROM temptb AS Tem
WHERE Num = MIN(T.Num)
) AS EmployeeFieldAccessType
FROM HYS_UserEmployeeFieldAccess
INNER JOIN temptb AS T ON HYS_UserEmployeeFieldAccess.EmployeeFieldAccessType = T.ValueType
WHERE ( UserId IN ( SELECT UserRoleId
FROM HYS_UserRoleLink
WHERE UserId = 27 )
OR UserId = 27
)
GROUP BY dbo.HYS_UserEmployeeFieldAccess.EmployeeFieldEntityTypeParamID ,
dbo.HYS_UserEmployeeFieldAccess.EmployeeFieldEntityTypeID ,
dbo.HYS_UserEmployeeFieldAccess.EmployeeFieldLabel