public bool Add(CountyItem model)
        {
            StringBuilder str = new StringBuilder();

            str.Append("insert into County values(@code,@name)");
            SqlParameter[] parameters =
            {
                new SqlParameter("@code", SqlDbType.NVarChar, 50),
                new SqlParameter("@name", SqlDbType.NVarChar, 50)
            };
            parameters[0].Value = model.Code;
            parameters[1].Value = model.Name;
            int returnCount = int.Parse(SqlHelper.ExecteNonQuery(CommandType.Text, str.ToString(), parameters).ToString());

            if (returnCount > 0)
            {
                return(true);
            }
            else
            {
                return(false);
            }
        }
 public bool Add(CountyItem model)
 {
     return(dal.Add(model));
 }