procedure tdmmainmo.f18monthlistcalcfields(DataSet: TDataSet);
begin
with dataset do begin
edit;
fields[1].asmsestring:= monthnames1[fields[0].asinteger];
post;
end;
end;
SF occurs atter multiple calls of OnCalcFileds. The stack :
#0 0040C3CE :0 fpc_initialize()
#1 006B3160 :0 VTBL_MSESQLDB_TMSESQLQUERY_$_IMSELOCATE()
#2 000A07B8 :0 ??()
#3 005BFBFD :0 MSESQLDB_TMSESQLQUERY_$__INHERITEDDATAEVENT$TDATAEVENT$LONGINT()
#4 00568316 :0 MSEDB_TDSCONTROLLER_$__DATAEVENT$TDATAEVENT$LONGINT()
#5 005BFBB3 :0 MSESQLDB_TMSESQLQUERY_$__DATAEVENT$TDATAEVENT$LONGINT()
#6 0054C3C2 :0 MDB_TDATASET_$__CHECKBROWSEMODE()
#7 0054C65A :0 MDB_TDATASET_$__DOINSERTAPPEND$BOOLEAN()
#8 0054C213 :0 MDB_TDATASET_$__APPEND()
#9 0054CB06 :0 MDB_TDATASET_$__EDIT()
#10 0043AEEA dmmain.pas:659
TDMMAINMO__F18MONTHLISTCALCFIELDS(DATASET=0xa07b8, this=<error reading
variable>)
#11 0054A45E dmmain.pas:0 MDB_TDATASET_$__DOONCALCFIELDS()
#12 005B9E1D dmmain.pas:0
MSEBUFDATASET_TMSEBUFDATASET_$__CALCULATEFIELDS$PCHAR()
#13 0054A5AB dmmain.pas:0 MDB_TDATASET_$__GETCALCFIELDS$PCHAR()
#14 005AF32A dmmain.pas:0
MSEBUFDATASET_TMSEBUFDATASET_$__GETRECORD$PCHAR$TGETMODE$BOOLEAN$$TGETRESULT()
#15 0054AF01 dmmain.pas:0 MDB_TDATASET_$__GETPRIORRECORD$$BOOLEAN()
#16 0054AFAB dmmain.pas:0 MDB_TDATASET_$__GETPRIORRECORDS$$LONGINT()
#17 0054C6D8 dmmain.pas:0 MDB_TDATASET_$__DOINSERTAPPEND$BOOLEAN()
#18 0054C213 dmmain.pas:0 MDB_TDATASET_$__APPEND()
#19 0054CB06 dmmain.pas:0 MDB_TDATASET_$__EDIT()
#20 0043AEEA dmmain.pas:659
TDMMAINMO__F18MONTHLISTCALCFIELDS(DATASET=0xa07b8, this=<error reading
variable>)
#21 0054A45E dmmain.pas:0 MDB_TDATASET_$__DOONCALCFIELDS()
#22 005B9E1D dmmain.pas:0
MSEBUFDATASET_TMSEBUFDATASET_$__CALCULATEFIELDS$PCHAR()
#23 0054A5AB dmmain.pas:0 MDB_TDATASET_$__GETCALCFIELDS$PCHAR()
#24 005AF32A dmmain.pas:0
MSEBUFDATASET_TMSEBUFDATASET_$__GETRECORD$PCHAR$TGETMODE$BOOLEAN$$TGETRESULT()
#25 0054AF01 dmmain.pas:0 MDB_TDATASET_$__GETPRIORRECORD$$BOOLEAN()
#26 0054AFAB dmmain.pas:0 MDB_TDATASET_$__GETPRIORRECORDS$$LONGINT()
#27 0054C6D8 dmmain.pas:0 MDB_TDATASET_$__DOINSERTAPPEND$BOOLEAN()
#28 0054C213 dmmain.pas:0 MDB_TDATASET_$__APPEND()
#29 0054CB06 dmmain.pas:0 MDB_TDATASET_$__EDIT()
#30 0043AEEA dmmain.pas:659
TDMMAINMO__F18MONTHLISTCALCFIELDS(DATASET=0xa07b8, this=<error reading
variable>)
#31 0054A45E dmmain.pas:0 MDB_TDATASET_$__DOONCALCFIELDS()
#32 005B9E1D dmmain.pas:0
MSEBUFDATASET_TMSEBUFDATASET_$__CALCULATEFIELDS$PCHAR()
#33 0054A5AB dmmain.pas:0 MDB_TDATASET_$__GETCALCFIELDS$PCHAR()
#34 005AF32A dmmain.pas:0
MSEBUFDATASET_TMSEBUFDATASET_$__GETRECORD$PCHAR$TGETMODE$BOOLEAN$$TGETRESULT()
#35 0054AF01 dmmain.pas:0 MDB_TDATASET_$__GETPRIORRECORD$$BOOLEAN()
#36 0054AFAB dmmain.pas:0 MDB_TDATASET_$__GETPRIORRECORDS$$LONGINT()
#37 0054C6D8 dmmain.pas:0 MDB_TDATASET_$__DOINSERTAPPEND$BOOLEAN()
#38 0054C213 dmmain.pas:0 MDB_TDATASET_$__APPEND()
#39 0054CB06 dmmain.pas:0 MDB_TDATASET_$__EDIT()
#40 0043AEEA dmmain.pas:659
TDMMAINMO__F18MONTHLISTCALCFIELDS(DATASET=0xa07b8, this=<error reading
variable>)
#41 0054A45E dmmain.pas:0 MDB_TDATASET_$__DOONCALCFIELDS()
#42 005B9E1D dmmain.pas:0
MSEBUFDATASET_TMSEBUFDATASET_$__CALCULATEFIELDS$PCHAR()
#43 0054A5AB dmmain.pas:0 MDB_TDATASET_$__GETCALCFIELDS$PCHAR()
#44 005AF32A dmmain.pas:0
MSEBUFDATASET_TMSEBUFDATASET_$__GETRECORD$PCHAR$TGETMODE$BOOLEAN$$TGETRESULT()
#45 0054AF01 dmmain.pas:0 MDB_TDATASET_$__GETPRIORRECORD$$BOOLEAN()
#46 0054AFAB dmmain.pas:0 MDB_TDATASET_$__GETPRIORRECORDS$$LONGINT()
#47 0054C6D8 dmmain.pas:0 MDB_TDATASET_$__DOINSERTAPPEND$BOOLEAN()
#48 0054C213 dmmain.pas:0 MDB_TDATASET_$__APPEND()
#49 0054CB06 dmmain.pas:0 MDB_TDATASET_$__EDIT()
#50 0043AEEA dmmain.pas:659
TDMMAINMO__F18MONTHLISTCALCFIELDS(DATASET=0xa07b8, this=<error reading
variable>)
#51 0054A45E dmmain.pas:0 MDB_TDATASET_$__DOONCALCFIELDS()
#52 005B9E1D dmmain.pas:0
MSEBUFDATASET_TMSEBUFDATASET_$__CALCULATEFIELDS$PCHAR()
#53 0054A5AB dmmain.pas:0 MDB_TDATASET_$__GETCALCFIELDS$PCHAR()
#54 005AF32A dmmain.pas:0
MSEBUFDATASET_TMSEBUFDATASET_$__GETRECORD$PCHAR$TGETMODE$BOOLEAN$$TGETRESULT()
#55 0054AF01 dmmain.pas:0 MDB_TDATASET_$__GETPRIORRECORD$$BOOLEAN()
#56 0054AFAB dmmain.pas:0 MDB_TDATASET_$__GETPRIORRECORDS$$LONGINT()
#57 0054C6D8 dmmain.pas:0 MDB_TDATASET_$__DOINSERTAPPEND$BOOLEAN()
#58 0054C213 dmmain.pas:0 MDB_TDATASET_$__APPEND()
#59 0054CB06 dmmain.pas:0 MDB_TDATASET_$__EDIT()
#60 0043AEEA dmmain.pas:659
TDMMAINMO__F18MONTHLISTCALCFIELDS(DATASET=0xa07b8, this=<error reading
variable>)
#61 0054A45E dmmain.pas:0 MDB_TDATASET_$__DOONCALCFIELDS()
#62 005B9E1D dmmain.pas:0
MSEBUFDATASET_TMSEBUFDATASET_$__CALCULATEFIELDS$PCHAR()
#63 0054A5AB dmmain.pas:0 MDB_TDATASET_$__GETCALCFIELDS$PCHAR()
#64 005AF32A dmmain.pas:0
MSEBUFDATASET_TMSEBUFDATASET_$__GETRECORD$PCHAR$TGETMODE$BOOLEAN$$TGETRESULT()
#65 0054AF01 dmmain.pas:0 MDB_TDATASET_$__GETPRIORRECORD$$BOOLEAN()
#66 0054AFAB dmmain.pas:0 MDB_TDATASET_$__GETPRIORRECORDS$$LONGINT()
#67 0054C6D8 dmmain.pas:0 MDB_TDATASET_$__DOINSERTAPPEND$BOOLEAN()
#68 0054C213 dmmain.pas:0 MDB_TDATASET_$__APPEND()
#69 0054CB06 dmmain.pas:0 MDB_TDATASET_$__EDIT()
#70 0043AEEA dmmain.pas:659
TDMMAINMO__F18MONTHLISTCALCFIELDS(DATASET=0xa07b8, this=<error reading
variable>)
#71 0054A45E dmmain.pas:0 MDB_TDATASET_$__DOONCALCFIELDS()
#72 005B9E1D dmmain.pas:0
MSEBUFDATASET_TMSEBUFDATASET_$__CALCULATEFIELDS$PCHAR()
#73 0054A5AB dmmain.pas:0 MDB_TDATASET_$__GETCALCFIELDS$PCHAR()
#74 005AF32A dmmain.pas:0
MSEBUFDATASET_TMSEBUFDATASET_$__GETRECORD$PCHAR$TGETMODE$BOOLEAN$$TGETRESULT()
#75 0054AF01 dmmain.pas:0 MDB_TDATASET_$__GETPRIORRECORD$$BOOLEAN()
#76 0054AFAB dmmain.pas:0 MDB_TDATASET_$__GETPRIORRECORDS$$LONGINT()
#77 0054C6D8 dmmain.pas:0 MDB_TDATASET_$__DOINSERTAPPEND$BOOLEAN()
#78 0054C213 dmmain.pas:0 MDB_TDATASET_$__APPEND()
#79 0054CB06 dmmain.pas:0 MDB_TDATASET_$__EDIT()
#80 0043AEEA dmmain.pas:659
TDMMAINMO__F18MONTHLISTCALCFIELDS(DATASET=0xa07b8, this=<error reading
variable>)
#81 0054A45E dmmain.pas:0 MDB_TDATASET_$__DOONCALCFIELDS()
#82 005B9E1D dmmain.pas:0
MSEBUFDATASET_TMSEBUFDATASET_$__CALCULATEFIELDS$PCHAR()
#83 0054A5AB dmmain.pas:0 MDB_TDATASET_$__GETCALCFIELDS$PCHAR()
#84 005AF32A dmmain.pas:0
MSEBUFDATASET_TMSEBUFDATASET_$__GETRECORD$PCHAR$TGETMODE$BOOLEAN$$TGETRESULT()
#85 0054AF01 dmmain.pas:0 MDB_TDATASET_$__GETPRIORRECORD$$BOOLEAN()
#86 0054AFAB dmmain.pas:0 MDB_TDATASET_$__GETPRIORRECORDS$$LONGINT()
#87 0054C6D8 dmmain.pas:0 MDB_TDATASET_$__DOINSERTAPPEND$BOOLEAN()
#88 0054C213 dmmain.pas:0 MDB_TDATASET_$__APPEND()
#89 0054CB06 dmmain.pas:0 MDB_TDATASET_$__EDIT()
#90 0043AEEA dmmain.pas:659
TDMMAINMO__F18MONTHLISTCALCFIELDS(DATASET=0xa07b8, this=<error reading
variable>)
#91 0054A45E dmmain.pas:0 MDB_TDATASET_$__DOONCALCFIELDS()
#92 005B9E1D dmmain.pas:0
MSEBUFDATASET_TMSEBUFDATASET_$__CALCULATEFIELDS$PCHAR()
#93 0054A5AB dmmain.pas:0 MDB_TDATASET_$__GETCALCFIELDS$PCHAR()
#94 005AF32A dmmain.pas:0
MSEBUFDATASET_TMSEBUFDATASET_$__GETRECORD$PCHAR$TGETMODE$BOOLEAN$$TGETRESULT()
#95 0054AF01 dmmain.pas:0 MDB_TDATASET_$__GETPRIORRECORD$$BOOLEAN()
#96 0054AFAB dmmain.pas:0 MDB_TDATASET_$__GETPRIORRECORDS$$LONGINT()
#97 0054C6D8 dmmain.pas:0 MDB_TDATASET_$__DOINSERTAPPEND$BOOLEAN()
#98 0054C213 dmmain.pas:0 MDB_TDATASET_$__APPEND()
#99 0054CB06 dmmain.pas:0 MDB_TDATASET_$__EDIT()
#100 0043AEEA dmmain.pas:659
TDMMAINMO__F18MONTHLISTCALCFIELDS(DATASET=0xa07b8, this=<error reading
variable>)
=========================================
Without the EDIT/POST frame, fkInternalCalc-filds can't be edited
(exception about non edit/insert state of the dataset). The stack :
#0 0040B416 :0 fpc_raiseexception()
#1 0054805C :0 MDB_DATABASEERRORFMT$ANSISTRING$array_of_const$TCOMPONENT()
#2 005B06A3 :0
MSEBUFDATASET_TMSEBUFDATASET_$__GETFIELDBUFFER$TFIELD$BOOLEAN$LONGINT$$POINTER()
#3 005B0EB7 :0
MSEBUFDATASET_TMSEBUFDATASET_$__SETMSESTRINGDATA$TMSESTRINGFIELD$UNICODESTRING()
#4 0055FA77 :0 MSEDB_TMSESTRINGFIELD_$__SETASUNICODESTRING$UNICODESTRING()
#5 0043AF2B dmmain.pas:660
TDMMAINMO__F18MONTHLISTCALCFIELDS(DATASET=0xa07b8, this=<error reading
variable>)
#6 0054A44E dmmain.pas:0 MDB_TDATASET_$__DOONCALCFIELDS()
#7 005B9E0D dmmain.pas:0
MSEBUFDATASET_TMSEBUFDATASET_$__CALCULATEFIELDS$PCHAR()
#8 0054A59B dmmain.pas:0 MDB_TDATASET_$__GETCALCFIELDS$PCHAR()
#9 0054CB4E dmmain.pas:0 MDB_TDATASET_$__EDIT()
#10 0055A09C dmmain.pas:0 MDB_TDATASOURCE_$__EDIT()
#11 005594B0 dmmain.pas:0 MDB_TDATALINK_$__EDIT$$BOOLEAN()
#12 00510A55 dmmain.pas:0
MSEDBEDIT_TCUSTOMEDITWIDGETDATALINK_$__EDIT$$BOOLEAN()
#13 00510B27 dmmain.pas:0 MSEDBEDIT_TCUSTOMEDITWIDGETDATALINK_$__MODIFIED()
#14 00513147 dmmain.pas:0 MSEDBEDIT_TDBBOOLEANEDIT_$__MODIFIED()
#15 005A12CD dmmain.pas:0 MSEGRAPHEDITS_TGRAPHDATAEDIT_$__VALUECHANGED()
#16 005A233A dmmain.pas:0
MSEGRAPHEDITS_TCUSTOMBOOLEANEDIT_$__SETVALUE$BOOLEAN()
#17 005A1FE6 dmmain.pas:0
MSEGRAPHEDITS_TCUSTOMBOOLEANEDIT_$__INTERNALCHECKVALUE$formal$BOOLEAN()
#18 005A0967 dmmain.pas:0
MSEGRAPHEDITS_TGRAPHDATAEDIT_$__DOCHECKVALUE$formal$$BOOLEAN()
#19 005A2039 dmmain.pas:0
MSEGRAPHEDITS_TCUSTOMBOOLEANEDIT_$__TOGGLEVALUE$BOOLEAN$BOOLEAN()
#20 005A1ADB dmmain.pas:0
MSEGRAPHEDITS_TTOGGLEGRAPHDATAEDIT_$__MOUSEEVENT$MOUSEEVENTINFOTY()
#21 0042AF0C msegui.pas:13597 TWINDOW__DISPATCHMOUSEEVENT(INFO={MOUSE
= {EVENTKIND = EK_BUTTONRELEASE, SHIFTSTATE = [], POS = {X = 18, Y =
6}, EVENTSTATE = [], TIMESTAMP = 4108611408, BUTTON = MB_LEFT}, WHEEL
= {EVENTKIND = EK_BUTTONRELEASE, SHIFTSTATE = [], POS = {X = 18, Y =
6}, EVENTSTATE = [], TIMESTAMP = 4108611408, WHEEL = MW_UP, DELTA =
0}}, CAPTURE=0xce968, this=<error reading variable>)
#22 0042E673 msegui.pas:15240
TINTERNALAPPLICATION__PROCESSMOUSEEVENT(EVENT=0x3fff2b8, this=<error
reading variable>)
#23 004305C6 msegui.pas:16172
TINTERNALAPPLICATION__EVENTLOOP(ONCE=false, this=<error reading
variable>)
#24 00431A47 msegui.pas:16767
TINTERNALAPPLICATION__DOEVENTLOOP(ONCE=false, this=<error reading
variable>)
#25 00477245 mseapplication.pas:1607
TCUSTOMAPPLICATION__RUN(this=<error reading variable>)
#26 00402312 podpiska.pas:41 main()
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