diff --git a/dotnet/src/dotnetframework/GxClasses/Middleware/GXHttp.cs b/dotnet/src/dotnetframework/GxClasses/Middleware/GXHttp.cs
index 8b25e11e1..7c8369154 100644
--- a/dotnet/src/dotnetframework/GxClasses/Middleware/GXHttp.cs
+++ b/dotnet/src/dotnetframework/GxClasses/Middleware/GXHttp.cs
@@ -1917,8 +1917,19 @@ public void ProcessRequest(HttpContext httpContext)
 		}
 		internal string DumpHeaders(HttpContext httpContext)
 		{
-#if !NETCORE
 			StringBuilder str = new StringBuilder();
+#if NETCORE
+			foreach (string key in httpContext.Request.Headers.Keys)
+			{
+				str.Append(key + ":" + httpContext.Request.Headers[key]);
+			}
+			str.Append(StringUtil.NewLine() + "HttpCookies: ");
+			foreach (string key in httpContext.Request.Cookies.Keys)
+			{
+				str.Append(StringUtil.NewLine() + key + ":" + httpContext.Request.Cookies[key]);
+			}
+			return str.ToString();
+#else
 			foreach (string key in httpContext.Request.Headers)
 			{
 				str.Append(key + ":" + httpContext.Request.Headers[key]);
@@ -1929,8 +1940,6 @@ internal string DumpHeaders(HttpContext httpContext)
 				str.Append(StringUtil.NewLine() + key + ":" + httpContext.Request.Cookies[key].Value);
 			}
 			return str.ToString();
-#else
-			return string.Empty;
 #endif
 		}