check for the username already exists

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hi,,

i need to check the username is already exists when sign up a page,, below is my stored procedure.. in this stored procedure i want to check the username already exists,, what can i do? please help me
thanks.

SQL

CREATE PROCEDURE [dbo].[csp_consumer_signup]

@Consumer_Firstname varchar(100),
@Consumer_Lastname varchar(100),
@gender varchar(30),
@User_ID varchar(50),
@password varchar(100)

AS

BEGIN



INSERT INTO tbl_user_login
(
  User_ID,
  password,
  last_login,
  role,
  updated_id,
  updated_date,
  created_date,
  active_flag
)
VALUES
(
  @User_ID,
  @password,
  GETUTCDATE(),
  'Consumer',
  @User_ID,
  GETUTCDATE(),
  GETUTCDATE(),
  'true'
  
)  
INSERT INTO consumer_details
(
 Consumer_Firstname,
 Consumer_Lastname,
 last_update_uid,
 last_update_date
)
VALUES
(
 @Consumer_Firstname,
 @Consumer_Lastname,
 @User_ID,
 GETUTCDATE()
 
)


END

GO

Posted 27-Nov-11 18:12pm

afsal.mp

Updated 27-Nov-11 18:19pm

JF2015

v2

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Comments

JF2015 28-Nov-11 0:19am

Edited to add code formatting.

2 solutions

Solution 2

Try this :

SQL

If not Exists (select loginname from master.dbo.syslogins
where name = @loginName and dbname = 'PUBS')
Begin 
Select @SqlStatement = QUOTENAME('CREATE LOGIN [' + @loginName + ']  FROM WINDOWS WITH DEFAULT_DATABASE=     [PUBS], DEFAULT_LANGUAGE=[us_english]')  EXEC sp_executesql @SqlStatement
End

Posted 27-Nov-11 18:21pm

Manoj K Bhoir

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Anuj Banka · Accepted Answer · 2011-11-27T18:21:00

CREATE PROCEDURE [dbo].[csp_consumer_signup]
 
@Consumer_Firstname varchar(100),
@Consumer_Lastname varchar(100),
@gender varchar(30),
@User_ID varchar(50),
@password varchar(100)
 
AS
 
BEGIN
 
if((select count(*) from  tbl_user_login where User_ID=User_ID)< 0)
Begin
INSERT INTO tbl_user_login
(
   User_ID,
   password,
   last_login,
   role,
   updated_id,
   updated_date,
   created_date,
   active_flag
)
VALUES
(
   @User_ID,
   @password,
   GETUTCDATE(),
   'Consumer',
   @User_ID,
   GETUTCDATE(),
   GETUTCDATE(),
   'true'
   
)   
INSERT INTO consumer_details
(
 Consumer_Firstname,
 Consumer_Lastname,
 last_update_uid,
 last_update_date
)
VALUES
(
 @Consumer_Firstname,
 @Consumer_Lastname,
 @User_ID,
 GETUTCDATE()
 
)
End