How To Avoid Duplicate Value Into Table In Sql Server By Stored Procedure..? In Below Code I M Trying To Display That Msg By Output Parameter...

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ALTER PROCEDURE [dbo].[avoidduplicate]

@username varchar(20),

@pword nvarchar(20),

@empname varchar(20),

@email nvarchar(50),

@designation varchar(20),

@reportto varchar(20),

@Result varchar(50) output

as
if exists(Select username from testduplicate where username = @Username)
begin
set @Result = 'Already there'
return
end

insert into testduplicate(username,pword,empname,email,designation,reportto)values(@username,@pword,@empname,@email,@designation, @reportto )
set @Result= 'Success'

if im inserting values below error is coming.

ERROR:

ASM

Msg 201, Level 16, State 4, Procedure avoidduplicate, Line 0
Procedure or function 'avoidduplicate' expects parameter '@Result', which was not supplied.

Posted 30-Sep-14 1:54am

thangaraj kathiravan

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Comments

[no name] 30-Sep-14 8:03am

It looks like you forgot to add this Parameter while using the SP....?

thangaraj kathiravan 30-Sep-14 8:11am

Which parameter?

[no name] 30-Sep-14 8:12am

@Result like mentioned in the error message...

thangaraj kathiravan 30-Sep-14 8:16am

i added as output parameter.. i am not getting clearly.What u r saying..please if u know solution share with me

Richard Deeming 30-Sep-14 8:48am

The problem is not with the stored procedure, but the code which is calling the stored procedure. You'll need to post that code before anyone can help you.

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_Asif_ · Answer 1 · 2014-09-30T02:28:00

Seems you have not correctly written your SP, try this way.

SQL

ALTER PROCEDURE [dbo].[avoidduplicate]
@username varchar(20),
@pword nvarchar(20),
@empname varchar(20),
@email nvarchar(50),
@designation varchar(20),
@reportto varchar(20),
@Result varchar(50) output
as
BEGIN
    if exists(Select username from testduplicate where username = @Username)
    begin
        set @Result = 'Already there'
        return
    end
     
    insert into testduplicate(username,pword,empname,email,designation,reportto)values(@username,@pword,@empname,@email,@designation, @reportto )
    set @Result= 'Success'
END