Cherry pick branch 'genexuslabs:fix/IsCrawlerRequest' into beta

Author: claudiamurialdo

dotnet/src/dotnetframework/GxClasses/Core/GXApplication.cs

@@ -1290,11 +1290,24 @@ public bool IsForward()
 		{
 			if (_HttpContext != null)
 			{
+#if NETCORE
+				object callMethodObj;
+				if (_HttpContext.Items.TryGetValue("gx_webcall_method", out callMethodObj))
+				{
+
+					string callMethod = callMethodObj as string;
+					if (!string.IsNullOrEmpty(callMethod) && (string.Compare(callMethod, "forward", true) == 0))
+					{
+						return true;
+					}
+				}
+#else
 				string callMethod = (string)_HttpContext.Items["gx_webcall_method"];
 				if ((callMethod != null) && (string.Compare(callMethod, "forward", true) == 0))
 				{
 					return true;
 				}
+#endif
 			}
 			return false;
 		}