{"id":26406,"date":"2022-12-17T15:29:53","date_gmt":"2022-12-17T09:59:53","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-how-to-get-the-value-of-each-string-inside-a-list-in-c-using-reflection\/"},"modified":"2022-12-17T15:29:53","modified_gmt":"2022-12-17T09:59:53","slug":"solved-how-to-get-the-value-of-each-string-inside-a-list-in-c-using-reflection","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-how-to-get-the-value-of-each-string-inside-a-list-in-c-using-reflection\/","title":{"rendered":"[Solved] How to get the value of each string inside a List in c# using reflection"},"content":{"rendered":"

[ad_1]
\n<\/p>\n

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<\/div>\n
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Before you read any further I suggest you check out AutoMapper<\/a>. AutoMapper is designed to map data from one type to another. From what I see, this is what you are trying to accomplish.<\/p>\n

One note of caution, AutoMapper does not perform a deep copy on lists. So if you modify the list on the source object, it will affect the list on the destination object.<\/p>\n

A shallow copy is straight forward, just copy the list directly, the same as you are with your primitive and nullable types.<\/p>\n

Something else to consider with your code. You are checking the property names, but not the types of the two objects. What if you have int Id<\/code> on one class with string Id<\/code> on the other?<\/p>\n

If you must have a deep copy of the list, it gets a little more complex. But here is what I came up with (note: this is not a true deep copy, because the members of the list are not cloned):<\/p>\n

else if (dataBasePropInfo.PropertyType.IsGenericType)\n{\n    var args = dataBasePropInfo.PropertyType.GetGenericArguments();\n    var lstType = typeof (List<>).MakeGenericType(args);\n    if (lstType.IsAssignableFrom(dataBasePropInfo.PropertyType))\n    {\n        PropertyInfo modelPropInfo = modelObjectType.GetProperty(dataBasePropInfo.Name);\n        var target = Activator.CreateInstance(lstType);\n        var source = modelPropInfo.GetValue(modelObject);\n        lstType.InvokeMember(\"AddRange\", BindingFlags.InvokeMethod, null, target, new[] {source});\n\n        dataBasePropInfo.SetValue(dataBaseObject, target);\n    }\n    else\n    {\n        UpdateObjectFrom(dataBasePropInfo.GetValue(dataBaseObject, null), modelObjectType.GetProperty(dataBasePropInfo.Name).GetValue(modelObject, null));\n    }\n}\n<\/code><\/pre>\n
Recommended reading: How to: Examine and Instantiate Generic Types with Reflection<\/a><\/p>\n
Another option<\/h2>\n
You could use a combination of reflection and serialization. <\/p>\n
    \n
  1. Serialize your source object to a stream<\/li>\n
  2. Deserialize a new copy of your source object (the new object will not share any of the references of the original source)<\/li>\n
  3. Copy properties from source-clone to target using:  dataBasePropInfo.SetValue(dataBaseObject,
    \nmodelPropInfo.GetValue(modelObject));<\/code><\/li>\n<\/ol><\/div>\n
    <\/div>\n<\/div>\n
                1<\/span> <\/p><\/div>\n<\/div>\n
    [ad_2]<\/p>\n
    solved How to get the value of each string inside a List in c# using reflection <\/p>\n","protected":false},"excerpt":{"rendered":"
    [ad_1] Before you read any further I suggest you check out AutoMapper. AutoMapper is designed to map data from one type to another. From what I see, this is what you are trying to accomplish. One note of caution, AutoMapper does not perform a deep copy on lists. So if you modify the list on … 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":[324,1408],"class_list":["post-26406","post","type-post","status-publish","format-standard","hentry","category-solved","tag-c","tag-reflection"],"yoast_head":"\n[Solved] How to get the value of each string inside a List in c# using reflection - 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-how-to-get-the-value-of-each-string-inside-a-list-in-c-using-reflection\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] How to get the value of each string inside a List in c# using reflection - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] Before you read any further I suggest you check out AutoMapper. 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