Added Cache Attribute to stop IE caching data.

DataCenter_Windows/WindowsDataCenter/WindowsDataCenter/Helpers/CacheControlAttribute.cs

@@ -0,0 +1,32 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net.Http.Headers;
+using System.Text;
+using System.Threading.Tasks;
+using System.Web.Http.Filters;
+
+namespace WindowsDataCenter.Helpers
+{
+    public class CacheControlAttribute : System.Web.Http.Filters.ActionFilterAttribute
+    {
+        public int MaxAge { get; set; }
+
+        public CacheControlAttribute()
+        {
+            MaxAge = 3600;
+        }
+
+        public override void OnActionExecuted(HttpActionExecutedContext context)
+        {
+            if (context.Response != null)
+                context.Response.Headers.CacheControl = new CacheControlHeaderValue()
+                {
+                    Public = true,
+                    MaxAge = TimeSpan.FromSeconds(MaxAge)
+                };
+
+            base.OnActionExecuted(context);
+        }
+    }
+}