>>I am attempting to load my grid by combinging two separate fields in my table (first and last name).
>>
>>The code is: thisform.mygrid1.controlsource = allt(first_name) + ' ' + alltl(last_name)
>>
>>I placed the code in the Load event of the form.
>>
>>When it pulls up, I received the following error message: The data source for this object must be a variable reference (Error 1742)
>
>The ControlSource applies to column objects, not to grids. Grids have a RecordSource that refers to the name of an entire table or view; columns have a ControlSource that refers to a column. A calculated expression should be possible.

You are right. (_ _)