If you want that Memo fields showing up in a column in a Grid, the ControlSource of column in grid must be in brackets.
So, the ControlSource of column in your grid should be:

ControlSource = (Checks.To)

>This is a little frustrating problem - maybe I am missing something simple.
>
>I had a simple check writing form so far. Changed the To field from character
>to memo to accomodate address.
>
>I am using a grid to display the 5 fields (Checkno, Datetime, To, Ammount, memo) and have changed the To field control source to MLINE(Checks.To, 1) to
>display only the first line in the grid. No matter what I do it allways shows
>just the "Memo" symbol in that field - instead of the first line. Tried changing it to LEFT(Checks.To, 20) still no go. The column is read only.
>I have done something like this before in other apps with no problem.
>
>I have no problem displaying this with a
>BROWSE FIELDS...., ToField = MLINE(Checks.To, 1), .......
>
>Any ideas? Win XP problem? VFP5?