Update existing reports, removing mileage drill down

Web/Utility/CustomExtensions.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Collections;
 using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations;
 using System.Data.SqlTypes;
@@ -143,21 +144,38 @@ namespace MileageTraker.Web.Utility
 				       : propertyMember.Name;
 		}
 
-		public static object GetValue(this PropertyInfo propertyMember, object obj)
+
+		public static string GetNullDisplayText(this PropertyInfo propertyMember, object obj)
 		{
 			var value = propertyMember.GetValue(obj, null);
-			var displayAttr =
-				propertyMember.GetCustomAttributes(typeof (DisplayFormatAttribute), true).FirstOrDefault() as DisplayFormatAttribute;
+			var displayAttr = GetDisplayAttribute(propertyMember);
 
 			if (displayAttr != null)
 			{
 				if (value == null && !String.IsNullOrEmpty(displayAttr.NullDisplayText))
 					return displayAttr.NullDisplayText;
-
-				if (!String.IsNullOrEmpty(displayAttr.DataFormatString))
-					return String.Format(displayAttr.DataFormatString, value);
 			}
-			return value;
+			return null;
+		}
+
+		public static string GetDataFormatString(this PropertyInfo propertyMember, object obj)
+		{
+			var value = propertyMember.GetValue(obj, null);
+			var displayAttr = GetDisplayAttribute(propertyMember);
+
+			if (displayAttr != null)
+			{
+				if (!String.IsNullOrEmpty(displayAttr.DataFormatString))
+					return displayAttr.DataFormatString;
+			}
+			return null;
+		}
+
+		private static DisplayFormatAttribute GetDisplayAttribute(PropertyInfo propertyMember)
+		{
+			var displayAttr =
+				propertyMember.GetCustomAttributes(typeof (DisplayFormatAttribute), true).FirstOrDefault() as DisplayFormatAttribute;
+			return displayAttr;
 		}
 
 		public static IEnumerable<string> GetPropertyNames(this Type type)
@@ -293,6 +311,25 @@ namespace MileageTraker.Web.Utility
 					  select mg.Key).ToList()
 						 }).ToDictionary(arg => arg.Item1, arg => arg.Item2List);
 		}
+		
+		public static bool IsNonStringEnumerable(this Type type)
+		{
+			if (type == null || type == typeof(string))
+				return false;
+			return typeof(IEnumerable).IsAssignableFrom(type);
+		}
+
+		public static bool IsHiddenFromModel(this MemberInfo propertyMember)
+		{
+			var hiddenInputAttribute =
+				propertyMember.GetCustomAttributes(typeof(HiddenInputAttribute), true).FirstOrDefault() as HiddenInputAttribute;
+
+			if (hiddenInputAttribute != null)
+			{
+				return !hiddenInputAttribute.DisplayValue;
+			}
+			return false;
+		}
 
 		//public static IEnumerable<SelectListItem> ToSelectList<T>(
 		//	this IEnumerable<T> enumerable,