Set Validation For A Combo Box In A Form

Feb 25, 2008

Hello there,

This is probably an easy question for most of you out there, but it has me stumped as a novice in this field.

I have a combo box on a form that has a row source defined to come from a query. I have the "limit to list" option set to "YES" in the properties of the combo box.
My issue is this, when a end user enters a value into the combo box manually, instead of using the drop down data, and that value is not in the related query, can I define what is said in the text box that appears, in place of the access default error message?

Second question is related to that, the system will not let me continue until I enter a value in the combo box that is on my query. Can I, from the text box that I have come up, jump to another form where I can update the records that the query is pulled from?

Here are the specifics for my database.
Combo box is on a form dealing with my "tote tracking" table. The box specificlly deals with the "serial #" field on that table.

I do not want the to be able to 'move' a tote unless that tote serial number has been enterd on the "tote setup" table, which the combo box is limited to search from.
If you try to enter a tote number that has not been setup, the "limit to list" feature will not let it happen. I would like my own error message to come up, and woud like to hit a control on that message to go to a form that enters records in the "tote setup" table. Then you will have the chance to 'set up a new tote' and create a record on that table from which the origional form would be able to pull.

Any help you could lend on this would be appreciated, I am new to access and trying to learn on my own...

Thanks

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Jun 13, 2005

Hi

I've been looking on the forum to try and find my answer but am struggling to find anything!

I have a combo box which I am validating by using IsNull. This works fine untill someone fills the combo box and then decides to delete it leaving the combo box empty again. My IsNull then does not work. Have tried putting in "" too but this does not seem to work either

Below is my example
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Me.cboInt.SetFocus
End If

I know this must be simple! Can anyone point me in the right direction please?

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All -

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