StringHelper

 1 public static class StringHelper
 2 {
 3         public static int? ToIntNullable(this string obj)
 4         {
 5             if (obj == null || string.IsNullOrWhiteSpace(obj.ToString(CultureInfo.InvariantCulture)))
 6             {
 7                 return null;
 8             }
 9             else
10             {
11                 int offsetX = 0;
12                 if (Int32.TryParse(obj.ToString(CultureInfo.InvariantCulture), out offsetX))
13                 {
14                     return offsetX;
15                 }
16                 else
17                 {
18                     return null;
19                 }
20             }
21         }
22 }