title: Custom Validation MVC 5
body: <p>Ok i have this Edit form, what i need is some kind of custom validation for when i enter ReturnDate it Shouldn't be lower then the date of IssueDeadLineDate value.
  Can i do with Some kind of custom validation or what do i need ?</p>
  
  <p><a href="https://i.stack.imgur.com/wbIxL.png" rel="nofollow noreferrer">Edit View Picture </a></p>
  
  <pre><code>  namespace Library.Models
   {
    public class BookStatusView
    {
      public int Id { get; set; }
      public string UserId { get; set; }
      public DateTime IssueDeadlineDate { get; set; }
      public DateTime ReturnDeadlineDate { get; set; }
  
      public DateTime? ReturnDate { get; set; }
      public int BookId { get; set; }
      public string AspNetUser { get; set; }
      public string BookName { get; set; }
  
  
      public IEnumerable&lt;SelectListItem&gt; qwerty { get; set; }
  
      public string Email { get; set; }
      public string FirstName { get; set; }
  </code></pre>
  
  <p>This is my BookStatusView model where i want to implement custom validation.
  If u need any other code feel free to ask i will paste it ass soon as i see it.</p>