1.0

Extensions/DateTimeExtension.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace ExtensionMethods
+{
+    public static class DateTimeExtension
+    {
+        public static string ToLongFormat(this DateTime dateTime)
+        {
+            return dateTime.ToString("yyyy-MM-dd HH:mm:ss");
+        }
+
+        public static string ToShortFormat(this DateTime dateTime)
+        {
+            return dateTime.ToString("yyyy-MM-dd");
+        }
+    }
+}

Extensions/ExtensionMethods.csproj

@@ -40,6 +40,7 @@
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="DateTimeExtension.cs" />
     <Compile Include="StringExtension.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>