Hi, use this to send localfile to client UniSession.SendFile (FileName);   this check POpuP Settings and open file UniSession.AddJS('var myWindow = window.open(''' + UrlFilePath + PrnDataList.Values ['DokType'] + ''', ''foo'','''');'//+ ''', ''_blank'');'                                         + ' if (myWindow == null)'                                         + '   alert (''Please change your popup settings'');'                                         + ' else  {'