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checking a value in a db before inserting

Thread began 2/01/2011 12:32 pm by Brad Lawryk | Last modified 2/07/2011 1:21 pm by Brad Lawryk | 1202 views | 5 replies

Brad Lawryk

checking a value in a db before inserting

Using the DataAssist Insert is there a way to check a value in an exsisting recordset before inserting?

Here is what I need to do:

I have two tables that both have date fields in them. Data is already collected for table 1.

What I need to do is when the user enters a date in the second table, it needs to check that the date enters is not later than the date in table 1 before inserting this new record.

So, if the date in table 1 is 2011-01-31 then when a user goes to enter a date in table 2 it has to be before or equal to that date or else the form does not submit.

Is there such a trigger with DataAssist?

Thanks
Brad

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