How to disable MVC validation

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MVC3

I have Class UserEntity
with validation

 public class UserEntity
    {


        public Int64? UID { get; set; }

        [Required]
        [Display(Name = "Customer Name")]
      
        public string Name { get; set; }
        [Required]
        [Display(Name = "User Name/ Mobile Number")]
        [RegularExpression("^[0-9]{10}$", ErrorMessage = "User Name Should be 10 digit Mobile No")]

        [Remote("IsUserAvailable", "Login", AdditionalFields = "UID")]
        public string UserName { get; set; }
        [Required]
        [Display(Name = "Password")]
        public string Password { get; set; }
        [Required]
        [Display(Name = "Confirm Password")]
        [Compare("Password", ErrorMessage = "The password and confirmation password do not match.")]

}

it working fine with Registration Form but in Login i want to disable all validation

tried

@Html.EditorFor(model => model.BatchId, new {@class = "k-textbox", data_val = false})