http://weblogs.asp.net/shijuvarghese/archive/tags/C_2300_/default.aspxTags: C#enCommunityServer 2007 SP1 (Build: 20510.895)http://weblogs.asp.net/shijuvarghese/archive/2009/06/03/using-net-3-5-and-c-3-0-features-in-t4-templates.aspxWed, 03 Jun 2009 12:12:00 GMTc06e2b9d-981a-45b4-a55f-ab0d8bbfdc1c:7107041shiju0http://weblogs.asp.net/shijuvarghese/rsscomments.aspx?PostID=7107041http://weblogs.asp.net/shijuvarghese/commentapi.aspx?PostID=7107041http://weblogs.asp.net/shijuvarghese/archive/2009/06/03/using-net-3-5-and-c-3-0-features-in-t4-templates.aspx#comments<p>The T4 templates are compiled against .Net Framework 2.0 by default and it will be restricted to use LINQ and other .Net 3.5 features in your T4 templates.&nbsp; If you want to use any of C# 3.0 or .Net 3.5 features in your T4 templates, you have to specify T4 templates language attribute is C#v3.5 instead of C#. The .Net 3.5 features are using System.Core namespace so that you have to give reference to System.Core namespace in the T4 templates.<br><br>The below is the syntax <br></p><div style="background: rgb(248, 248, 248) none repeat scroll 0% 0%; font-family: Consolas; font-size: 13pt; color: black; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;"> <p style="margin: 0px;"><span style="background: gray none repeat scroll 0% 0%; color: white; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;">&nbsp;&nbsp;&nbsp;&nbsp;1</span>&nbsp;<span style="background: rgb(255, 215, 0) none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;">&lt;#@</span><span style="color: navy;"> </span><span style="color: rgb(165, 42, 42); font-weight: bold;">template</span><span style="color: navy;"> language=</span>"<span style="background: rgb(255, 255, 230) none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;">C#v3.5</span>"<span style="color: navy;"> hostspecific=</span>"<span style="background: rgb(255, 255, 230) none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;">True</span>"<span style="color: navy;"> </span><span style="color: navy;"></span><span style="background: rgb(255, 215, 0) none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;">#&gt;</span></p> <p style="margin: 0px;"><span style="background: gray none repeat scroll 0% 0%; color: white; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;">&nbsp;&nbsp;&nbsp;&nbsp;2</span>&nbsp;<span style="background: rgb(255, 215, 0) none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;">&lt;#@</span><span style="color: navy;"> </span><span style="color: rgb(165, 42, 42); font-weight: bold;">assembly</span><span style="color: navy;"> name=</span>"<span style="background: rgb(255, 255, 230) none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;">System.Core</span>"<span style="color: navy;"> </span><span style="background: rgb(255, 215, 0) none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;">#&gt;</span><span style="color: navy;"> </span></p> </div> <p><br>&nbsp;</p><img src="http://weblogs.asp.net/aggbug.aspx?PostID=7107041" width="1" height="1">.Net 3.5T4C#