为什么fastreport老提示EVariantTypeCastError ?
could not convert variant of type(string) into type(double)
procedure TFormTest.frxReport1BeforePrint(Sender: TfrxReportComponent);
var
Cross: TfrxCrossView;
i, j: Integer;
begin
if Sender is TfrxCrossView then
begin
Cross := TfrxCrossView(Sender);
DataModule1.ADOQuery2.First;
i := 0;
while not DataModule1.ADOQuery2.Eof do
begin
for j := 0 to 1 do
Cross.AddValue([i], [DataModule1.ADOQuery2.Fields[j].DisplayLabel], [DataModule1.ADOQuery2.Fields[j].AsString]);
DataModule1.ADOQuery2.Next;
Inc(i);
end;
end;
end;
为什么呢...