XtraReport calculated field not working, always display zero

Question

I have created a summary calculated field sumMyField with Type Int32, the expression is Sum([MyField]), the column values are not 0, my others calculated fields in other reports are working correctly, but in this report the calculated field is always zero. I think it is relative to something like "cache". I cannot deleted the report and re-create it, as this takes too long to re-design

Answer 1

My solution is:

Delete the cell, recreate it and recreate the field to it. The calculated expression is correct!