If you are using strings, why not use HQL directly? Then life should be pretty much more straight forward. Dynamic LINQ library (referred by Angel) is also great, and many tried it successfully.
-- Mohamed Meligy Senior Developer, Team Lead Backup (.Net Technologies - TDG - Applications) Injazat Data Systems P.O. Box: 8230 Abu Dhabi, UAE. Phone: +971 2 6992700 Direct: +971 2 4045385 Mobile: +971 50 2623624, +971 55 2017 621 E-mail: [email protected] Weblog: http://gurustop.net On Fri, Mar 5, 2010 at 9:53 PM, Angel Java Lopez <[email protected]>wrote: > Hi people! > > Cassio, check the additional code described in > > > http://weblogs.asp.net/scottgu/archive/2008/01/07/dynamic-linq-part-1-using-the-linq-dynamic-query-library.aspx > > I use some of this in my example > http://ajlopez.wordpress.com/2009/01/30/dynamic-expressions-example/ > there are more links there, pointing to other implementation > > There is a Codeplex project, simplifyng the build of a QueryProvider, not > related with your question, but it could be interesting. I guess NHibernate > devs were using it to build the new Linq implemented in NH > > Angel "Java" Lopez > http://www.ajlopez.com > http://twitter.com/ajlopez > > > > On Fri, Mar 5, 2010 at 4:40 PM, Ken Egozi <[email protected]> wrote: > >> you could either look up c# parser and lexer codes, and tweak to your >> needs. Maybe look at Mono's c# compiler. >> that is however non trivial work. >> >> you can also wrap the text with a valid c# class and method declarations, >> then use a CodeDomProvider.CompileAssemblyFromSource() to get an assembly, >> lookup your new type, and invoke the new method. >> >> >> On Fri, Mar 5, 2010 at 9:23 PM, CassioT <[email protected]> wrote: >> >>> Hi all. This is an NH off topic but it is C# and programming anyway. >>> >>> Let's suppose: >>> >>> var blog = dao.GetBlog(1); //Blog has posts >>> >>> string s = "blog.Posts.Sum(p => p.NumOfVisitors)"; >>> >>> or >>> >>> string s = "Posts.Sum(p => p.NumOfVisitors)"; // considering blog as >>> the root object >>> >>> What is the best way to translate this string in code dynamically? >>> This is only a simple example but it is near of what I want. >>> >>> Thanks. >>> >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "nhusers" group. >>> To post to this group, send email to [email protected]. >>> To unsubscribe from this group, send email to >>> [email protected]<nhusers%[email protected]> >>> . >>> For more options, visit this group at >>> http://groups.google.com/group/nhusers?hl=en. >>> >>> >> >> >> -- >> Ken Egozi. >> http://www.kenegozi.com/blog >> http://www.delver.com >> http://www.musicglue.com >> http://www.castleproject.org >> http://www.idcc.co.il - הכנס הקהילתי הראשון למפתחי דוטנט - בואו בהמוניכם >> >> -- >> You received this message because you are subscribed to the Google Groups >> "nhusers" group. >> To post to this group, send email to [email protected]. >> To unsubscribe from this group, send email to >> [email protected]<nhusers%[email protected]> >> . >> For more options, visit this group at >> http://groups.google.com/group/nhusers?hl=en. >> > > -- > You received this message because you are subscribed to the Google Groups > "nhusers" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]<nhusers%[email protected]> > . > For more options, visit this group at > http://groups.google.com/group/nhusers?hl=en. > -- You received this message because you are subscribed to the Google Groups "nhusers" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/nhusers?hl=en.
