>>>I have a combo box set up as a listbox which is tied to a date field in a table (vitals). I am opening the table and setting the index to date (descending order) and then I am filtering the table in the init event to the dates related to a particular patient id (this is a child table for vital signs which are taken at different dates for different patients)
>>>
>>>When I run the form, I get the following error:
>>>
>>>"Error with cmbVitalsDate - Value: Data type mismatch."
>>>
>>>Any idea why? BTW, I do not have anything in the value property and when I init the combobox, I attempt to load the first date value in the combobox so that it instantiates with the most recent date for the patient displayed.
>>>
>>>TIA,
>>>
>>>Bill
>>Bill,
>>Combo elements have char type. How do you set it init - with dtoc() ?
>>Cetin
>
>I tried to have it display its initial value as dtoc(vitals.date) in the init event. The control source is vitals.date with no initial value in the property.
>I still get this message.
>
>Is that what you mean?

The ultimate solution is to unbind the combo, i.e. clear Controlsource property, providing some REPLACE code to move data back to table. Also, if you have VFP5 try set BoundTo=.T.