IF FSIZE("source_in_question") = 0 * this in not a field>I've been looking for a VFP function or a UDF that will allow me to determine if an object's control source refers to either a column in a cursor/table or to a memory variable. If it refers to a column I need to do a REPLACE command to update the column. If it refers to a memory variable I need to replace the value in the variable. Something like this is what I'm looking for: