C# type getfield return null
WebApr 4, 2024 · return null; } var field = type. GetField ( memberName, DefaultBindingFlags ); if ( field != null) { return field. GetValue ( obj ); } return null; } public static object Get ( this object obj, string memberName, object [] indices = null) { return Get ( obj. GetType (), obj, memberName, indices ); } WebGetType () then returns typeof (int) You're then trying to get the FieldInfo for the field ssId on int. That doesn't exist. FieldInfo xSortField = x.GetType ().GetField …
C# type getfield return null
Did you know?
WebFeb 26, 2024 · my GetField or GetProprety function returns null. This is because the GetField method takes a long (msdn reference), but you are feeding it a string. Instead … WebModified 1 year, 4 months ago. Viewed 50k times. 251. Imagine the following. A type T has a field Company. When executing the following method it works perfectly: Type t = typeof (T); t.GetProperty ("Company") Whith the following call I get null though. Type t = typeof (T); t.GetProperty ("company", BindingFlags.IgnoreCase)
WebApr 4, 2024 · GetField ( memberName, DefaultBindingFlags ); if ( field != null) { return field. GetValue ( obj ); } return null; } public static object Get ( this object obj, string … WebDec 30, 2015 · Another thing is that you have to change parameter type to get it working: public class Base { public string thing = "Thing"; public T GetAttribute ( string _name ) { return (T)typeof (Base).GetField ( _name ).GetValue (this, null); } } BTW - you can get property/field value by referencing an instance:
Web问题描述,c#,reflection,lazy-evaluation,C#,Reflection,Lazy Evaluation,我们有一个相当大的系统，它使用私有setter将数据加载到属性中。 为了使用测试特定场景，我使用私有setter在这些属性中写入数据 但是，由于系统速度越来越慢，并且加载了不必要的东西，我们使 … http://duoduokou.com/csharp/40772803963960946643.html
Web我想通過將類型作為參數傳遞給targetUnitOfWork.Query來使這段代碼更短。 有兩種類型SomeListItem和SomeList 。 根據實際類型，我必須調用Query lt SomeListItem gt 或Query lt SomeList gt ，如下所示。 我該如何解決這個任
list of d.o. schoolsWebApr 23, 2015 · GetFieldValue (object obj, string fieldName) where T : struct { var property = obj.GetType ().GetProperty (fieldName); if (property != null) { if (property.PropertyType == typeof (T)) { return (T)property.GetValue (obj); } return null; } var field = obj.GetType … list of do schools by gpa and mcatWebType B has one; ProtectedString, that it inherits from A. If you wish to "reach" PrivateString through the type B, you will need to navigate to its base type (b.GetType().BaseType). Note though, that even if the type B reports to have a field called ProtectedString, this field is still not declared in B; it is declared in A. list of dot phrasesWebMay 20, 2024 · That snippet will call foo () and assign it to result if o is NOT null, or call somethingElse () if o is null. Note that for value types, C# has the concept of nullable types, unlike Java. In Java, int x = null; is not valid. It's also not valid in … list of doom patrol charactersWebFeb 17, 2012 · I have the following helper method in a ViewModelBase class, which is inherited by other view Models: public string GetEnumName(Enum value) { Type enumType = typeof(T)... list of doors songsWebNov 6, 2024 · Type GetField() Method in C - The Type.GetField() method in C# is used to get a specific field of the current Type.SyntaxFollowing is the syntax −public … image windows 10 iso downloadWebJan 18, 2016 · The problem is, GetMethod() returns null, while GetField() works perfectly. tlist and tset are not null and return "List'1" and "DataSet" respectively. So why is it happening? image windows 10 entreprise