Borland\Delphi6\Demos\Internet\XMLTransformProvider这个例子中的有两句话procedure TForm1.XMLTransformProvider1DataTransformWriteTranslate(
Sender: TObject; Id: String; SrcNode: IDOMNode; var Value: String;
DestNode: IDOMNode);
begin
if Id = '#price' then
if Value <> '' then
if Value[1] = '$' then
Value:= Copy(Value, 2, Length(Value)-1); //Remove '$'-sign again
end;procedure TForm1.XMLTransformProvider1DataTransformReadTranslate(
Sender: TObject; Id: String; SrcNode: IDOMNode; var Value: String;
DestNode: IDOMNode);
begin
if Id = '#price' then
if Value <> '' then
Value:= '$'+Value; //Add '$'-sign to 'price'-field.
end;这两段代码是做什么用的?
Sender: TObject; Id: String; SrcNode: IDOMNode; var Value: String;
DestNode: IDOMNode);
begin
if Id = '#price' then
if Value <> '' then
if Value[1] = '$' then
Value:= Copy(Value, 2, Length(Value)-1); //Remove '$'-sign again
end;procedure TForm1.XMLTransformProvider1DataTransformReadTranslate(
Sender: TObject; Id: String; SrcNode: IDOMNode; var Value: String;
DestNode: IDOMNode);
begin
if Id = '#price' then
if Value <> '' then
Value:= '$'+Value; //Add '$'-sign to 'price'-field.
end;这两段代码是做什么用的?
读取显示数据库时在value前加$
那还要那两句话干吗