public bool followvendor(int user_id, int vendor_id)
        {
            List <Following_table> myRecord = context.Following_table.Where(s => s.User_id == user_id && s.Vendor_id == vendor_id).Select(s => s).ToList();

            if (myRecord.Count() == 0)
            {
                Following_table model = new Following_table()
                {
                    User_id = user_id, Vendor_id = vendor_id
                };
                context.Following_table.Add(model);
                context.SaveChanges();
            }
            return(true);
        }
        public void RegisterFollowedVendor(string[] SelectedVendor, int id)
        {
            for (int i = 0; i < SelectedVendor.Length; i++)
            {
                string selected = SelectedVendor[i];
                int    vendorid = context.User_table.Where(x => x.User_Name.Equals(selected)).Select(x => x.User_Id).FirstOrDefault();
                Vendors.Add(vendorid);
            }

            Following_table followVendor = new Following_table();

            for (int i = 0; i < Vendors.Count(); i++)
            {
                followVendor.User_id   = id;
                followVendor.Vendor_id = Vendors[i];
                context.Following_table.Add(followVendor);
                context.SaveChanges();
            }
        }