在ASP.NET中使用Response.ContentType="类型名";来确定输出格式
| application/andrew-inset | ez |
| application/mac-binhex40 | hqx |
| application/mac-compactpro | cpt |
| application/mathml+xml | mathml |
| application/msword | doc |
| application/octet-stream | bin dms lha lzh exe class so dll |
| application/oda | oda |
| application/ogg | ogg |
| application/pdf | |
| application/postscript | ai eps ps |
| application/rdf+xml | rdf |
| application/smil | smi smil |
| application/srgs | gram |
| application/srgs+xml | grxml |
| application/vnd.mif | mif |
| application/vnd.mozilla.xul+xml | xul |
| application/vnd.ms-excel | xls |
| application/vnd.ms-powerpoint | ppt |
| application/vnd.wap.wbxml | wbxml |
| application/vnd.wap.wmlc | .wmlc wmlc |
| application/vnd.wap.wmlscriptc | .wmlsc wmlsc |
| application/voicexml+xml | vxml |
| application/x-bcpio | bcpio |
| application/x-cdlink | vcd |
| application/x-chess-pgn | pgn |
| application/x-cpio | cpio |
| application/x-csh | csh |
| application/x-director | dcr dir dxr |
| application/x-dvi | dvi |
| application/x-futuresplash | spl |
| application/x-gtar | gtar |
| application/x-hdf | hdf |
| application/x-httpd-php | .php .php4 .php3 .phtml |
| application/x-httpd-php-source | .phps |
| application/x-javascript | js |
| application/x-koan | skp skd skt skm |
| application/x-latex | latex |
| application/x-netcdf | nc cdf |
| application/x-pkcs7-crl | .crl |
| application/x-sh | sh |
| application/x-shar | shar |
| application/x-shockwave-flash | swf |
| application/x-stuffit | sit |
| application/x-sv4cpio | sv4cpio |
| application/x-sv4crc | sv4crc |
| application/x-tar | .tgz tar |
| application/x-tcl | tcl |
| application/x-tex | tex |
| application/x-texinfo | texinfo texi |
| application/x-troff | t tr roff |
| application/x-troff-man | man |
| application/x-troff-me | me |
| application/x-troff-ms | ms |
| application/x-ustar | ustar |
| application/x-wais-source | src |
| application/x-x509-ca-cert | .crt |
| application/xhtml+xml | xhtml xht |
| application/xml | xml xsl |
| application/xml-dtd | dtd |
| application/xslt+xml | xslt |
| application/zip | zip |
| audio/basic | au snd |
| audio/midi | mid midi kar |
| audio/mpeg | mpga mp2 mp3 |
| audio/x-aiff | aif aiff aifc |
| audio/x-mpegurl | m3u |
| audio/x-pn-realaudio | ram rm |
| audio/x-pn-realaudio-plugin | rpm |
| audio/x-realaudio | ra |
| audio/x-wav | wav |
| chemical/x-pdb | pdb |
| chemical/x-xyz | xyz |
| image/bmp | bmp |
| image/cgm | cgm |
| image/gif | gif |
| image/ief | ief |
| image/jpeg | jpeg jpg jpe |
| image/png | png |
| image/svg+xml | svg |
| image/tiff | tiff tif |
| image/vnd.djvu | djvu djv |
| image/vnd.wap.wbmp | .wbmp wbmp |
| image/x-cmu-raster | ras |
| image/x-icon | ico |
| image/x-portable-anymap | pnm |
| image/x-portable-bitmap | pbm |
| image/x-portable-graymap | pgm |
| image/x-portable-pixmap | ppm |
| image/x-rgb | rgb |
| image/x-xbitmap | xbm |
| image/x-xpixmap | xpm |
| image/x-xwindowdump | xwd |
| model/iges | igs iges |
| model/mesh | msh mesh silo |
| model/vrml | wrl vrml |
| text/calendar | ics ifb |
| text/css | css |
| text/html | .shtml html htm |
| text/plain | asc txt |
| text/richtext | rtx |
| text/rtf | rtf |
| text/sgml | sgml sgm |
| text/tab-separated-values | tsv |
| text/vnd.wap.wml | .wml wml |
| text/vnd.wap.wmlscript | .wmls wmls |
| text/x-setext | etx |
| video/mpeg | mpeg mpg mpe |
| video/quicktime | qt mov |
| video/vnd.mpegurl | mxu |
| video/x-msvideo | avi |
| video/x-sgi-movie | movie |
| x-conference/x-cooltalk | ice |