bu sorun şu şekilde düzeliyor..
1) FIBDataSet.pas dosyası içinde 1989 nolu satırdan başlayan fonksiyon şu şekilde olmalı
Kod: Tümünü seç
function TFIBCustomDataSet.GetFieldData(Field: TField; Buffer: Pointer): Boolean;
var
Buff, Data: PChar;
CurrRecord: PRecordData;
begin
result := False;
Buff := GetActiveBuf;
if (Buff = nil) or (not IsVisible(Buff)) then exit;
(* The intention here is to stuff the buffer with the data for the *)
(* referenced field for the current record. *)
CurrRecord := PRecordData(Buff);
if (Field.FieldNo > 0) and
(Field.FieldNo <= CurrRecord^.rdFieldCount) then begin
if (not IsVisible(Buff)) then begin
end else begin
result := not CurrRecord^.rdFields[Field.FieldNo].fdIsNull;
if result and (Buffer <> nil) then
with CurrRecord^.rdFields[Field.FieldNo] do begin
Data := Buff + CurrRecord^.rdFields[Field.FieldNo].fdDataOfs;
if (fdDataType = SQL_VARYING) or (fdDataType = SQL_TEXT) then begin
Move(Data^, Buffer^, fdDataLength);
PChar(Buffer)[fdDataLength] := #0;
end
//***************************************
else if (Field.DataType in [ftDate, ftTime, ftDateTime]) then
TDateTimeRec(buffer^) := DateTimeToDateTimeRec(Field.DataType, TDateTime(pointer(Data)^))
//***************************************
else
Move(Data^, Buffer^, Field.DataSize);
end;
end
end else if (Field.FieldNo < 0) then begin
Inc(Buff, FRecordSize + Field.Offset);
result := Boolean(Buff[0]);
if result and (Buffer <> nil) then
Move(Buff[1], Buffer^, Field.DataSize);
end;
end;Kod: Tümünü seç
procedure TFIBCustomDataSet.SetFieldData(Field: TField; Buffer: Pointer);
var
Buff, TmpBuff: PChar;
begin
(* Cannot update a record without a FQUpdate query existing. *)
Buff := GetActiveBuf;
if Field.FieldNo < 0 then begin
TmpBuff := Buff + FRecordSize + Field.Offset;
Boolean(TmpBuff[0]) := LongBool(Buffer);
if Boolean(TmpBuff[0]) then
Move(Buffer^, TmpBuff[1], Field.DataSize);
WriteRecordCache(PRecordData(Buff)^.rdRecordNumber, Buff);
end else begin
CheckEditState;
with PRecordData(Buff)^ do begin
(* If inserting, make sure certain settings are established. *)
CheckInsertMode(Buff);
if (Field.FieldNo > 0) and (Field.FieldNo <= rdFieldCount) then begin
Field.Validate(Buffer);
if (Buffer = nil) or
(Field is TFIBStringField) and (PChar(Buffer)[0] = #0) then
rdFields[Field.FieldNo].fdIsNull := True
else begin
//***************************************
if (Field.DataType in [ftDate, ftTime, ftDateTime]) then
TDateTime(buffer^) := DateTimeRecToDateTime(Field.DataType, TDateTimeRec(buffer^));
//***************************************
Move(Buffer^, Buff[rdFields[Field.FieldNo].fdDataOfs],
rdFields[Field.FieldNo].fdDataSize);
if (rdFields[Field.FieldNo].fdDataType = SQL_TEXT) or
(rdFields[Field.FieldNo].fdDataType = SQL_VARYING) then
rdFields[Field.FieldNo].fdDataLength := StrLen(PChar(Buffer));
rdFields[Field.FieldNo].fdIsNull := False;
if rdUpdateStatus = usUnmodified then begin
if State = dsInsert then
rdUpdateStatus := usInserted
else
rdUpdateStatus := usModified;
end;
WriteRecordCache(rdRecordNumber, Buff);
SetModified(True);
end;
end;
end;
end;
if not (State in [dsCalcFields, dsFilter, dsNewValue]) then
DataEvent(deFieldChange, Longint(Field));
end;