user489041 user489041 - 1 month ago 10
C# Question

Can I set a property value with Reflection?

I know the name of a property in my C# class. Is it possible to use reflection to set the value of this property?

For example, say I know the name of a property is

string propertyName = "first_name";
. And there actaully exists a property called
. Can I set it using this string?


Yes, you can use reflection - just fetch it with Type.GetProperty (specifying binding flags if necessary), then call SetValue appropriately. Sample:

using System;

class Person
    public string Name { get; set; }

class Test
    static void Main(string[] arg)
        Person p = new Person();
        var property = typeof(Person).GetProperty("Name");
        property.SetValue(p, "Jon", null);
        Console.WriteLine(p.Name); // Jon

If it's not a public property, you'll need to specify BindingFlags.NonPublic | BindingFlags.Instance in the GetProperty call.