ANNOTATION USED IN C#

AS SALAMO ALAIKUM WA RAHMATULLAH

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.ComponentModel.DataAnnotations;

namespace WebApplication2.Models
{
    public class Products
    {
        [Display(Name = "Product Id")]
        public Int64 ID { get; set; }

        [Display(Name = "Product code")]
        [Required(ErrorMessage = "Product code required")]
        [StringLength(10, MinimumLength = 6, ErrorMessage = "Minimum length of product is 6")]
        public string Pcode { get; set; }

        [Display(Name = "Product name")]
        [Required(ErrorMessage = "Product name required")]
        [StringLength(50, MinimumLength = 1, ErrorMessage = "Minimum length of product is 1")]
        public string Pname { get; set; }

        [Display(Name="Price")]
        public decimal price { get; set; }
    }

}

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MA ASALAAM
PASSION 4 ORACLE