public static string Insert(int PostID, string Image, string CreatedBy, DateTime CreatedDate)
 {
     using (var dbe = new inventorymanagementEntities())
     {
         tbl_PostImage ui = new tbl_PostImage();
         ui.PostID      = PostID;
         ui.Image       = Image;
         ui.CreatedDate = CreatedDate;
         ui.CreatedBy   = CreatedBy;
         dbe.tbl_PostImage.Add(ui);
         int kq = dbe.SaveChanges();
         return(kq.ToString());
     }
 }
 public static tbl_PostImage GetByID(int ID)
 {
     using (var dbe = new inventorymanagementEntities())
     {
         tbl_PostImage ai = dbe.tbl_PostImage.Where(a => a.ID == ID).SingleOrDefault();
         if (ai != null)
         {
             return(ai);
         }
         else
         {
             return(null);
         }
     }
 }
 public static string Update(int ID, string Image, string ModifiedBy, DateTime ModifiedDate)
 {
     using (var dbe = new inventorymanagementEntities())
     {
         tbl_PostImage ui = dbe.tbl_PostImage.Where(a => a.ID == ID).SingleOrDefault();
         if (ui != null)
         {
             ui.Image        = Image;
             ui.ModifiedBy   = ModifiedBy;
             ui.ModifiedDate = ModifiedDate;
             int kq = dbe.SaveChanges();
             return(kq.ToString());
         }
         else
         {
             return(null);
         }
     }
 }