question about asp.net

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i want to count how many times a same Id enter in database table if Id enter more than five times than enter you can not more enter.

Posted 21-Jul-11 10:31am

aliomar2

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DominicZA 21-Jul-11 16:40pm

We are going to need more than that to help you! How are you connecting to the database, what kind of database are you using MSSql, MySql?

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DominicZA · Answer 1 · 2011-07-21T10:51:00

My recommendation would be to create a stored procedure to do the saving. So, in SQL (assuming you are using MS SQL)

CREATE PROCEDURE pr_SaveObject
(
@id int
)
AS
BEGIN
IF ((SELECT COUNT(*) FROM MyTable WHERE ID = @id) < 5)
BEGIN
    INSERT INTO MyTable VALUES (@id, /*What ever other values you need*/)
    SELECT 1 /*We return 1 so that we know it succeeded*/
END 
ELSE
    SELECT 0 /*If we get 0 back we know it failed!*/
END

Now just call the proc from your site and see if it passed or failed!

Christian Graus · Answer 2 · 2011-07-21T11:56:00

This question has nothing to do with ASP.NET or C#, it's a database question. Even then, 'question about ASP.NET' is hardly descriptive.

You could also use a trigger that fires on an insert event, but to get back feedback on if your proc succeeded, the other solution seems best. It depends, do you want to use a trigger so if someone side steps your proc, they still can't insert a 6th value ?

question about asp.net

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