Add project files.

ComboValue/Class1.cs

@@ -0,0 +1,25 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComboValue
+{
+    public class ComboboxValue
+    {
+        public int Id { get; private set; }
+        public string Name { get; private set; }
+
+        public ComboboxValue(int id, string name)
+        {
+            Id = id;
+            Name = name;
+        }
+
+        public override string ToString()
+        {
+            return Name;
+        }
+    }
+}