MS SQL trigger in MVC3

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Hi all,

i face some issue using SQL trigger. I have three sql tables, User, UserRole and
Role.

User : UserID,UserName,Comment
UserRole : UserRoleID,UserID,RoleID
Role : RoleID, RoleName, Comment

I had UserID and RoleID when row had been inserted in User table.
how do i create trigger to save automatically in UserRole table.
i am totally newbie in trigger. By the way, i am using Linq to SQL class
with MVC3.

Pls, help me !

Best Rgds,
df

Posted 18-Apr-12 16:06pm

dartfrog

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walterhevedeich 18-Apr-12 22:35pm

Are you using stored procedures to insert to User table? If yes, unless its a requirement for you to use triggers, you might want to add the insert to UserRole table to that stored procedure.

dartfrog 19-Apr-12 0:12am

I don't use stored procedure. but now i try with it. Thanks

Nathan Stiles 18-Apr-12 23:19pm

Like was said above stored procedures are really the best way to go, only slightly more more work in the beginning but you may be thanking yourself later as it lets you basically create an API for your data and helps prevent unintended actions. You need to look up triggers, what they are and how they're intended to be useful.

dartfrog 19-Apr-12 0:13am

I'll try with stored procedure. Thanks

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Arav Pradeep Gupta · Answer 1 · 2012-04-18T19:52:00

Solution 1

Hey,

You should create a Trigger into the User table.

SQL

CREATE TRIGGER tr_InsertRole
   ON  [User] 
   AFTER  INSERT
AS 
BEGIN
	
	SET NOCOUNT ON;

    --WRITE SQL statement to insert Role into User Role Table
END
GO

Posted 18-Apr-12 19:52pm

Arav Pradeep Gupta

Updated 18-Apr-12 19:58pm

v3

Comments

dartfrog 19-Apr-12 10:07am

Yes .. but how can i pass RoleID and UserID ?
pls enlighten me.

Arav Pradeep Gupta 19-Apr-12 10:25am

get the UserID after inserted using the...

delcare @id INT
select @id=UserID from INSERTED

here you got the inserted user ID now the time to get roleID as per role.

INSERT INTO UserRole (UserID,RoleID) values(@id,roleID).

as your stucture it seems all the tables are independent. so need roleId idevisual itself.

TRY..........