{"id":10059,"date":"2026-02-06T14:44:00","date_gmt":"2026-02-06T13:44:00","guid":{"rendered":"https:\/\/solidt.eu\/site\/?p=10059"},"modified":"2026-02-06T14:44:14","modified_gmt":"2026-02-06T13:44:14","slug":"devexpress-free-joins-no-foreign-key","status":"publish","type":"post","link":"https:\/\/solidt.eu\/site\/devexpress-free-joins-no-foreign-key\/","title":{"rendered":"DevExpress Free joins (No foreign key)"},"content":{"rendered":"\n<p><a href=\"https:\/\/docs.devexpress.com\/CoreLibraries\/8130\/devexpress-data-library\/free-joins\">https:\/\/docs.devexpress.com\/CoreLibraries\/8130\/devexpress-data-library\/free-joins<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/supportcenter.devexpress.com\/ticket\/details\/q508526\/association-without-fk-or-calculated-property-with-free-join-in-xpo\">https:\/\/supportcenter.devexpress.com\/ticket\/details\/q508526\/association-without-fk-or-calculated-property-with-free-join-in-xpo<\/a><\/p>\n\n\n\n<div style=\"height: 250px; position:relative; margin-bottom: 50px;\" class=\"wp-block-simple-code-block-ace\"><pre class=\"wp-block-simple-code-block-ace\" style=\"position:absolute;top:0;right:0;bottom:0;left:0\" data-mode=\"csharp\" data-theme=\"monokai\" data-fontsize=\"14\" data-lines=\"Infinity\" data-showlines=\"true\" data-copy=\"false\">\n\nCriteriaOperator criteria = \n    CriteriaOperator.Parse(\"[&lt;Orders>][^.EmployeeID = EmployeeID].Count() > 50\");\nXPCollection&lt;Employee> employees = new XPCollection&lt;Employee>(session, criteria);\n\n\n[PersistentAlias(\"[&lt;First>][SomeUniqueNumber=^.TheSameUniqueNumber].Max(NameOfFirstObject)\")]  \npublic string MyRelatedFirstObjectName { get { return Convert.ToString(EvaluateAlias(\"MyRelatedFirstObjectName\")); } } <\/pre><\/div>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>https:\/\/docs.devexpress.com\/CoreLibraries\/8130\/devexpress-data-library\/free-joins https:\/\/supportcenter.devexpress.com\/ticket\/details\/q508526\/association-without-fk-or-calculated-property-with-free-join-in-xpo<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-10059","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/solidt.eu\/site\/wp-json\/wp\/v2\/posts\/10059","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/solidt.eu\/site\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/solidt.eu\/site\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/solidt.eu\/site\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/solidt.eu\/site\/wp-json\/wp\/v2\/comments?post=10059"}],"version-history":[{"count":2,"href":"https:\/\/solidt.eu\/site\/wp-json\/wp\/v2\/posts\/10059\/revisions"}],"predecessor-version":[{"id":10061,"href":"https:\/\/solidt.eu\/site\/wp-json\/wp\/v2\/posts\/10059\/revisions\/10061"}],"wp:attachment":[{"href":"https:\/\/solidt.eu\/site\/wp-json\/wp\/v2\/media?parent=10059"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/solidt.eu\/site\/wp-json\/wp\/v2\/categories?post=10059"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/solidt.eu\/site\/wp-json\/wp\/v2\/tags?post=10059"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}