using JiangSu.Models; using System; using System.Collections.Generic; using System.Data; using System.Data.SQLite; using System.Linq; using System.Web; namespace JiangSu.cs { public class ModelDAL { public static Model SelectById(int id) { string sql = "select * from model where id = @id"; SQLiteParameter param = new SQLiteParameter("@id"); param.Value = id; DataTable dt = SQLiteHelper.GetDataTable(sql, param); if (null == dt || dt.Rows.Count == 0) { return null; } List list = ModelHandler.FillModel(dt); return null == list || list.Count == 0 ? null : list[0]; } } }