Dim afcbcdb As WinForm.ComboBox = e.Form.Controls("combobox6")
e.Form.Controls("Table2").Table.Filter = "签单月份 like '%" & right(e.Form.Controls("ComboBox3").Text,3) & "%'" And 设计师 Like '%" & afcbcdb.text & "%'"
e.Form.Controls("ComboBox7").Text = e.Form.Controls("Table2").Table.Compute("sum(签单金额)")
"签单月份 like '%" & right(e.Form.Controls("ComboBox3").Text,3) & '%" And 设计师 Like '%" & afcbcdb.text & '%""
最后一行红色标记的地方应该是单引号‘号!你给出的是双引号!!