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hydonlee
Guest
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 Posted: Mon Jul 28, 2003 12:36 pm Post subject: Re: Change DetailClientDataset index, But MasterCDS chaged!! |
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Thanks all, I get it . It is a bug of Delphi 5.
"hydonlee" <hydonlee (AT) hotmail (DOT) com> wrote:
| Quote: |
Hi ALL,
I have a Master-Deail Application Based ClientDataSet by DataSetField;
When I chage the Detail ClientDataSet Index, The Master ClientDataSet Current Record changed, the Proir Record Showed.
Flow is the code:
mIsAsc := not self.GetIndexAsc(cdsBody1); //Want Asc?
if mIsAsc then
begin//Want Asc
cdsBody1.IndexName:='';
cdsBody1.IndexFieldNames:=FBodyOrderField.FieldName ;
end
else
begin//Want Desc?
//cdsBody1.IndexFieldNames:='';
with cdsBody1.IndexDefs do
begin
mIndexPos := -1 ;
for i:= 0 to Count-1 do
begin
if cdsBody1.IndexDefs[i].name=FBodyOrderField.FieldName then
begin
mIndexPos:=i ;
break ;
end;
end;
if mIndexPos>=0 then //Index Exist
begin
cdsBody1.IndexDefs[mIndexPos].Fields := FBodyOrderField.FieldName;
cdsBody1.IndexDefs[mIndexPos].Options := [ixDescending]
end
else
begin //no Index found
//Clear;
with AddIndexDef do
begin
Name := FBodyOrderField.FieldName;
Fields := FBodyOrderField.FieldName;
DescFields := FBodyOrderField.FieldName;
Options := [ixDescending]
end;
end;
cdsBody1.IndexFieldNames:=''; //Master chaged after here.
cdsBody1.IndexName := FBodyOrderField.FieldName ;
end;
end;
PS: the only occur sometime.
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