Extensionless URL Rewriting in ASP.NET without using IIS 6 Wildcard mapping


	Extensionless URL Rewriting in ASP.NET without using IIS 6 Wildcard mapping

travislaborde

7-5-2007 2:25 PM

2938 views

tags:

programming, asp.net

travislaborde says:

So simple no one thought of it before? The only problem I can see with this approach is perhaps having the weblogs show 404 errors when they shouldn't? Anyway, I like it!

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/b05a39d2-7c23-4b62-9ad9-47baa4fd3dd4/38D1DB66-6C30-476D-B887-8B6B57A1728E/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.codeproject.com/useritems/Extensionless_Rewriting.asp?df=100&forumid=434340&select=2115522&msg=2115522" href="http://www.codeproject.com/useritems/Extensionless_Rewriting.asp?df=100&forumid=434340&select=2115522&msg=2115522" style="font-size: 11px;">www.codeproject.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.codeproject.com/useritems/Extensionless_Rewriting.asp?df=100&forumid=434340&select=2115522&msg=2115522"><DIV>Extensionless URL Rewriting in ASP.NET without using IIS 6 Wildcard mapping</DIV></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.codeproject.com/useritems/Extensionless_Rewriting.asp?df=100&forumid=434340&select=2115522&msg=2115522"><P>IIS 6.0 Wildcard mapping makes each and every request go through
ASP.NET 2.0 ISAPI handler including Urls with .gif, .css, .js, .html
etc. So, it suffers from scalability problem. Some research shows that it slows down the performance of web application about 30%.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.codeproject.com/useritems/Extensionless_Rewriting.asp?df=100&forumid=434340&select=2115522&msg=2115522"><P>So instead of using IIS 6.0 Wildcard Mapping or ISAPI Module, i just use HTTP 404 approach. </P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.codeproject.com/useritems/Extensionless_Rewriting.asp?df=100&forumid=434340&select=2115522&msg=2115522">You must first configure 404 redirection in IIS 6.0, for this you must complete the following steps. Please see the dialog box. Just customize it according to your own requirement.</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.codeproject.com/useritems/Extensionless_Rewriting.asp?df=100&forumid=434340&select=2115522&msg=2115522"><div align="center"><img src="http://content7.clipmarks.com/blog_cache/www.codeproject.com/img/C07F14A1-2762-45C0-9E78-BF668A3B4EC6" alt="" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.codeproject.com/useritems/Extensionless_Rewriting.asp?df=100&forumid=434340&select=2115522&msg=2115522">From
Global.asax <EM>BeginRequest</EM> event, capture this URL and see
whether it's an extensionless URL request. If it is, do your URL
rewriting stuff for such extensionless URL.</blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/38D1DB66-6C30-476D-B887-8B6B57A1728E/blog/" title="blog or email this clip"><img src="http://content8.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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