Exercise Files

Ch07/07_02_Begin/Website/Extensions/TempDataExtensions.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Web;
+
+namespace HPlusSports
+{
+    public static class TempDataExtensions
+    {
+        const string ErrorMessageKey = "ErrorMessage";
+        const string SuccessMessageKey = "SuccessMessage";
+
+        public static bool HasSuccessMessage(this System.Web.Mvc.TempDataDictionary tempData)
+        {
+            return !string.IsNullOrWhiteSpace(tempData[SuccessMessageKey] as string);
+        }
+
+        public static string SuccessMessage(this System.Web.Mvc.TempDataDictionary tempData)
+        {
+            return tempData[SuccessMessageKey] as string;
+        }
+
+        public static void SuccessMessage(this System.Web.Mvc.TempDataDictionary tempData, string successMessage)
+        {
+            tempData[SuccessMessageKey] = successMessage;
+        }
+
+
+        public static bool HasErrorMessage(this System.Web.Mvc.TempDataDictionary tempData)
+        {
+            return !string.IsNullOrWhiteSpace(tempData[ErrorMessageKey] as string);
+        }
+
+        public static string ErrorMessage(this System.Web.Mvc.TempDataDictionary tempData)
+        {
+            return tempData[ErrorMessageKey] as string;
+        }
+
+        public static void ErrorMessage(this System.Web.Mvc.TempDataDictionary tempData, string errorMessage)
+        {
+            tempData[ErrorMessageKey] = errorMessage;
+        }
+    }
+}