<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://www.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/c3b4d1ab-22e9-4de8-abb4-d0f3e865064c/19C98FFD-1BC3-42B9-B5FF-DC01396E757E/" 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://geekswithblogs.net/LessonsLearned/archive/2008/08/21/hidden-surprises-in-.net-3.5-service-pack-1.aspx" href="http://geekswithblogs.net/LessonsLearned/archive/2008/08/21/hidden-surprises-in-.net-3.5-service-pack-1.aspx" style="font-size: 11px;">geekswithblogs.net</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://geekswithblogs.net/LessonsLearned/archive/2008/08/21/hidden-surprises-in-.net-3.5-service-pack-1.aspx"><DIV class="postTitle"> <A href="http://geekswithblogs.net/LessonsLearned/archive/2008/08/21/hidden-surprises-in-.net-3.5-service-pack-1.aspx" title="Title of this entry." id="viewpost_ascx_TitleUrl">Hidden Surprises in .NET 3.5 Service Pack 1</A> </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://geekswithblogs.net/LessonsLearned/archive/2008/08/21/hidden-surprises-in-.net-3.5-service-pack-1.aspx"><PRE>Could not load type 'System.Web.UI.ScriptReferenceBase' from assembly <BR />'System.Web.Extensions, Version=3.5.0.0, Culture=neutral, <BR />PublicKeyToken=31bf3856ad364e35'.</PRE></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://geekswithblogs.net/LessonsLearned/archive/2008/08/21/hidden-surprises-in-.net-3.5-service-pack-1.aspx"><DIV> You are stymied. You've never heard of the class; you certainly don't use it in your code. You use <A target="_blank" href="http://msdn.microsoft.com/en-us/library/system.web.ui.scriptreference.aspx">ScriptReference</A>, of course; who doesn't? But what's <A target="_blank" href="http://msdn.microsoft.com/en-us/library/system.web.ui.scriptreferencebase.aspx">ScriptReferenceBase</A>? Going to the documentation for ScriptReferenceBase, you learn that it is the parent class of ScriptReference and <A target="_blank" href="http://msdn.microsoft.com/en-us/library/system.web.ui.compositescriptreference.aspx" id="ctl00_rs1_mainContentContainer_ctl29"><SPAN class="nu"></SPAN>CompositeScriptReference</A>. What? No it isn't! The documentation for ScriptReference clearly indicates that it's parent is <A target="_blank" id="ctl00_rs1_mainContentContainer_ctl108" href="http://msdn.microsoft.com/en-us/library/system.object.aspx">System<SPAN class="cs"></SPAN><SPAN class="vb"></SPAN><SPAN class="cpp"></SPAN><SPAN class="nu">.</SPAN>Object</A>! What's going on here?</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://geekswithblogs.net/LessonsLearned/archive/2008/08/21/hidden-surprises-in-.net-3.5-service-pack-1.aspx"><DIV> Then you notice the Version Information for ScriptReferenceBase: "Supported in: 3.5 SP1". It's a new class for Service Pack 1. It doesn't exist in .NET 3.5 and the documentation for ScriptReference is clearly stale. </DIV></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/19C98FFD-1BC3-42B9-B5FF-DC01396E757E/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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