public Model.TT_PitheadBillExtend DataRowToModel(DataRow row)
 {
     TDTK.PlatForm.MVC4.Model.TT_PitheadBillExtend model = new TDTK.PlatForm.MVC4.Model.TT_PitheadBillExtend();
     if (row != null)
     {
         if (row["PID"] != null && row["PID"].ToString() != "")
         {
             model.PID = int.Parse(row["PID"].ToString());
         }
         if (row["Iedition"] != null)
         {
             model.Iedition = row["Iedition"].ToString();
         }
         if (row["CollCode"] != null)
         {
             model.CollCode = row["CollCode"].ToString();
         }
         if (row["DrawPerson"] != null)
         {
             model.DrawPerson = row["DrawPerson"].ToString();
         }
         if (row["PayPerson"] != null)
         {
             model.PayPerson = row["PayPerson"].ToString();
         }
         if (row["ExtendDate"] != null && row["ExtendDate"].ToString() != "")
         {
             model.ExtendDate = DateTime.Parse(row["ExtendDate"].ToString());
         }
     }
     return model;
 }
        public Model.TT_PitheadBillExtend GetModel(Model.TT_PitheadBillExtend t)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select  top 1 PID,Iedition,CollCode,DrawPerson,PayPerson,ExtendDate from TT_PitheadBillExtend ");
            strSql.Append(" where ");
            strSql.Append("PID=@PID ");
            strSql.Append(" and Iedition=@Iedition and ");
            strSql.Append(" CollCode=@CollCode,");
            SqlParameter[] parameters = {
					new SqlParameter("@PID", SqlDbType.Int,4),
					new SqlParameter("@Iedition", SqlDbType.VarChar,10),
					new SqlParameter("@CollCode", SqlDbType.VarChar,4)};

            parameters[0].Value = t.PID;
            parameters[1].Value = t.Iedition;
            parameters[2].Value = t.CollCode;

            TDTK.PlatForm.MVC4.Model.TT_PitheadBillExtend model = new TDTK.PlatForm.MVC4.Model.TT_PitheadBillExtend();
            DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
            if (ds.Tables[0].Rows.Count > 0)
            {
                return DataRowToModel(ds.Tables[0].Rows[0]);
            }
            else
            {
                return null;
            }
        }