{"id":26338,"date":"2022-12-17T04:18:11","date_gmt":"2022-12-16T22:48:11","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-clone-enity-framework-poco\/"},"modified":"2022-12-17T04:18:11","modified_gmt":"2022-12-16T22:48:11","slug":"solved-clone-enity-framework-poco","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-clone-enity-framework-poco\/","title":{"rendered":"[Solved] Clone Enity framework POCO"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-34228211\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"34228211\" data-parentid=\"34224190\" data-score=\"0\" data-position-on-page=\"2\" data-highest-scored=\"1\" data-question-has-accepted-highest-score=\"1\" itemprop=\"acceptedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n<div class=\"post-layout\">\n<div class=\"votecell post-layout--left\"><\/div>\n<div class=\"answercell post-layout--right\">\n<div class=\"s-prose js-post-body\" itemprop=\"text\">\n<p>I found a nice turn around .  <\/p>\n<p>If you try MemberwiseClone()  to get a copy of the object and then add the object to the context and SaveChanges()   you will get an error because the<br \/>\nMemberwiseClone() does clone the Dynamic Proxy too .  <\/p>\n<p>So my turn around is  <\/p>\n<p>Create a new Context just for the cloning purposes  .<br \/>\nthen do  <\/p>\n<p>ctx.Configuration.ProxyCreationEnabled = false;  <\/p>\n<p>Customer   copy =     ctxClone.Customers.Find( 2).Copy()  <\/p>\n<p>Copy here is the method you defined that  just calls   MemberwiseClone  underneath  .  <\/p>\n<p>then do <\/p>\n<p>ctx.Customers.Add(copy);<br \/>\nctx.SaveChanges() ; <\/p>\n<p>This is the closest route i found to handle this problem .  <\/p>\n<p>If you prefer the reflection  solution then go for it . <\/p>\n<p>Fyi   if you ProxyCreationEnabled = false in your other code you will loose change tracking and lazy loading  , so be careful about it . <\/p>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\"><\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved Clone Enity framework POCO <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] I found a nice turn around . If you try MemberwiseClone() to get a copy of the object and then add the object to the context and SaveChanges() you will get an error because the MemberwiseClone() does clone the Dynamic Proxy too . So my turn around is Create a new Context just for &#8230; <a title=\"[Solved] Clone Enity framework POCO\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-clone-enity-framework-poco\/\" aria-label=\"More on [Solved] Clone Enity framework POCO\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[352,324,5097,5357],"class_list":["post-26338","post","type-post","status-publish","format-standard","hentry","category-solved","tag-net","tag-c","tag-entity-framework-6","tag-poco"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Solved] Clone Enity framework POCO - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-clone-enity-framework-poco\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] Clone Enity framework POCO - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] I found a nice turn around . If you try MemberwiseClone() to get a copy of the object and then add the object to the context and SaveChanges() you will get an error because the MemberwiseClone() does clone the Dynamic Proxy too . So my turn around is Create a new Context just for ... 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