Dynamic Linq DisplayName

CSharp · Console

/Program.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Dynamic;
using System.Reflection;
using System.Linq;
					
public class Program
{
	public static void Main()
	{
		
		var myList = new List<MyCustomClass>{
			    new MyCustomClass {Id=1, Name="Name1", Value="Value1"},
				new MyCustomClass {Id=2, Name="Name2", Value="Value2"},
				new MyCustomClass {Id=3, Name="Name3", Value="Value3"},
				new MyCustomClass {Id=4, Name="Name4", Value="Value4"}
		};
		
		var customData = myList.Select(x=> ToDynamicDisplayName(x));
		
		Console.WriteLine("Hello World");
		foreach(var item in customData){
			item.Dump();
		}
		
	}
	
	public static object ToDynamicDisplayName(object input)
        {
            var type = input.GetType();
            dynamic dObject = new ExpandoObject();
            var dDict = (IDictionary<string, object>)dObject;

            foreach (var p in type.GetProperties())
            {
                var prop = type.GetProperty(p.Name);
                var displayNameAttr = p.GetCustomAttribute<DisplayNameAttribute>(false);
                if (prop == null || prop.GetIndexParameters().Length != 0) continue;
                if (displayNameAttr != null)
                {
                    dDict[displayNameAttr.DisplayName] = prop.GetValue(input, null);
                }
                else
                    dDict[p.Name] = prop.GetValue(input, null);
            }
            return dObject;
        }
	
}


public class MyCustomClass {
	public int Id {get;set;}
	[DisplayName("Custom Name")]
	public string Name {get; set;}
	[DisplayName("Custom Value")]
	public string Value {get; set;}
}