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Send an Email on Record Update

Posted on 2009-05-05
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Last Modified: 2012-08-13
hi,
I want to know what is the best way of sending an email notifications from a database when a record is updated?
I have been reading a lot of posts on how we are not suppose to send an email from a trigger.
I am using SQL Server 2008 and I have a table called Project and a table called Employee, I want to be able to send an email to selected users in the Employee table (their emails are stored in EmailAddress Field, and only "Admins" Employees with their AccessLevel is set to 2) when the Project.Status field changes to 0 or 1 in the Project table

how can I do this?
Thanks
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Question by:smaguire
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8 Comments
 
LVL 21

Expert Comment

by:JestersGrind
ID: 24307192
If you're using a stored procedure to update the Project.Status field, you could change it to also send an email.

Greg


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Author Comment

by:smaguire
ID: 24307269
No, I have a web application that enables the enduser to update any project. no stored procedure in the process.
I have it working using visual studio - C# code, but I want the code to be more dynamic where I don't have to compile the entire code everytime i need to subscribe a user to the email notification alert.
 
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LVL 21

Expert Comment

by:JestersGrind
ID: 24308736
In that case, a trigger might be your best option.

Greg


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Author Comment

by:smaguire
ID: 24308802
Thanks Greg for your reply,
I just finished reading some posts suggesting that NS is no longer in SQL Server 2008, and Triggers will not be recommended since if they do fail to contact the mail server, the commit will take a long time.
Now back to your original suggestion of using a SP, How can I accomplish that?
Thanks
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LVL 31

Expert Comment

by:RiteshShah
ID: 24312130
you could do something like below script. script is just example, you can make it more customize for your need.




create proc updateANDemail
as
begin
 
update table1 set field1='abc' where field1='ab'
 
EXEC master.dbo.xp_sendmail 
    @recipients=N'ritesh_a_shah@yahoo.com',
     @message=N'records updated',
     @copy_recipients=N'rits4friends@gmail.com',
     @subject=N'update' ;
 
 
end

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Author Comment

by:smaguire
ID: 24314640
Thanks RiteshShah for your reply,
I will have to try your code later on but will I be able to do something like this:
@message=field1            
What is the 'N' for?
Thanks
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LVL 31

Accepted Solution

by:
RiteshShah earned 500 total points
ID: 24314738
you can remove N, its a prefix before string variable.... as long as field1 concern, than you would have to do it like:

create proc updateANDemail
as
begin

declare @val='ABC'

update table1 set field1=@val where field1='ab'
 
EXEC master.dbo.xp_sendmail
    @recipients='ritesh_a_shah@yahoo.com',
     @message=@val,
     @copy_recipients='rits4friends@gmail.com',
     @subject='update' ;
 end
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Author Closing Comment

by:smaguire
ID: 31578127
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