How to write stored procedure with date range and emptype as input to retrieve date on .netchart?

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I have table emp in which there is emptype which includes temp, perm and seasonal.
I am in need of find the information regarding all emptype or temp, perm and seasonal in dropdown.
how can I do that? I am using C# in this project with sql server 2014
And this is web application

Posted 22-Dec-14 7:24am

patelv61

Updated 22-Dec-14 8:05am

Maciej Los

v2

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Kornfeld Eliyahu Peter 22-Dec-14 13:25pm

http://mattgemmell.com/what-have-you-tried/

3 solutions

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PIEBALDconsult · Answer 1 · 2014-12-22T07:31:00

Solution 1

You should have a translation table for referential integrity, you would then query that table, not the employee table.

EmpType
ID Name
1  Permanent
2  Temporary
3  Seasonal

Employee
ID EmpType Name ...
1  1       Bob
2  1       Joe
3  2       Bill

Posted 22-Dec-14 7:31am

PIEBALDconsult

Comments

Maciej Los 22-Dec-14 15:21pm

Sounds reasonable, but i'm afraid OP might do not understand it.

PIEBALDconsult 22-Dec-14 16:01pm

Well, I didn't understand the question, so we're even.

Maciej Los · Answer 2 · 2014-12-22T10:31:00

Before you start, please apply changes suggested in solution1 by PIEBALDconsult[^].

You can achieve that by extracting emptype to new table:

SQL

--create new table
CREATE TABLE EmpTypes
(
    EmpTypeID INT IDENTITY(1,1)
    TypeDescription NVARCHAR(50)
)

--insert empTypes
INSERT INTO EmpTypes(TypeDescription)
SELECT DISTINCT EmpType
FROM Emp

--update emp table
ALTER TABLE Emp ADD COLUMN EmpTypeID INT REFERENCES EmpTypes(EmpTypeID)

UPDATE t1 SET t1.EmpTypeID = t2.EmpTypeID
FROM Emp AS t1 INNER JOIN EmpTypes AS t2 ON t1.EmpType = t2.TypeDescription 

ALTER TABLE Emp DROP COLUMN EmpType

Note: above query could contain errors, i couldn't test it.

Finally, create procedure:

SQL

CREATE PROCEDURE GetObviousData
    @startdate DATETIME,
    @enddate DATETIME,
    @emptype INT
AS
BEGIN
    --SELECT statement
    SELECT t1.<Field_List2>, t2.<Field_List>
    FROM Emp AS t1 INNER JOIN EmpTypes AS t2 ON t1.EmpTypeID = t2.EmpTypeID
    WHERE t1.EmpTypeId = @emptype AND t1.HireDate BETWEEN @startdate AND @enddate
END

MSDN documentation:
ALTER TABLE[^]
UPDATE[^]
CREATE PROCEDURE[^]
CREATE TABLE[^]

patelv61 · Answer 3 · 2014-12-25T15:16:00

Solution 3

I have store proc which has 3 parameter in which there is startdate enddate and emptype which this three variable or parameter utilize populate datagrid or piechart from .NETCHART and piechart has click event which result in datagriid

Thank you very much

Posted 25-Dec-14 15:16pm