数据注释不适用于 Textarea

Question

I created an c# application with mvc4 in that I use one TextArea for getting user input which must within the range of 15-100 I use data annotations for that But it will not working.Please anyone help me to solve this problem

Here is my code

@Html.TextArea(model => model.Edit)

And this is my DataAnnotations

[MinLength(15,ErrorMessage="Reason can't be less than 15 characters")]
[MaxLength(100,ErrorMessage="Reason can't be more than 100 characters")]
[Display(Name = "Edit" )]
public string Edit{ get; set; }

Answer 1

Instead use this

[StringLength(30, ErrorMessage = "Must be between {2} and {1} characters long.", MinimumLength = 15)]

Also, [Required] is must