WebNov 23, 2016 · Let's read the value of the property: object value = pi.GetValue (obj); First of all a common case, valid for all reference types: if (Object.ReferenceEquals (value, null)) return true; Then explicitly check for strings: if (value is string && String.IsNullOrEmpty ( (string)value)) return true;

Using Properties - C# Programming Guide Microsoft Learn

WebFeb 24, 2007 · PropertyInfo [] Properties = t.Data.GetType ().GetProperties (); foreach ( PropertyInfo p in Properties) { Console.Writeline (p.GetValue (t.Data, null ).ToString ()); } public class OrderDetail { // Properties here } However, I cannot access the objects like OrderDetail using the above code... WebSep 29, 2024 · C# enables that by setting a value after the closing brace for the property. You may prefer the initial value for the FirstName property to be the empty string rather than null. You would specify that as shown below: C# public class Person { public string FirstName { get; set; } = string.Empty; // Omitted for brevity. } how to send things to china

C# Dictionary Class - GeeksforGeeks

WebApr 12, 2024 · As the first SOLID principle suggests, a class should only have one responsibility. A bloated code inside a class is most of the time a good clue, that you should refactor the class. If you need to extend the functionality of a class, you can do that according to the open-closed principle via an extension method. WebA property is like a combination of a variable and a method, and it has two methods: a get and a set method: Example Get your own C# Server class Person { private string name; // … WebAug 30, 2024 · Return value: This method returns a List containing all the elements that match the conditions defined by the specified predicate otherwise it returns an empty List. Exception: This method will give ArgumentNullException if the match is null. Below programs illustrate the use of List.FindAll (Predicate) Method: Example 1: CSharp how to send through gcash