默认样式
procedure TIWForm1.IWDBGrid1HTMLTag(ASender: TObject; ATag: TIWHTMLTag); begin ATag.AddStringParam('style' , 'table{margin:0 auto;border:1px solid #000000;border-collapse:collapse;}th,td{border: 1px solid #000000;text-align:center;} }' ); end;