/// <summary> /// 得到一个对象实体 /// </summary> public MVCLite.Models.Catalog DataRowToModel(DataRow row) { MVCLite.Models.Catalog model = new MVCLite.Models.Catalog(); if (row != null) { if (row["ID"] != null && row["ID"].ToString() != "") { model.ID = int.Parse(row["ID"].ToString()); } if (row["Name"] != null) { model.Name = row["Name"].ToString(); } if (row["Intro"] != null) { model.Intro = row["Intro"].ToString(); } if (row["Status"] != null && row["Status"].ToString() != "") { model.Status = int.Parse(row["Status"].ToString()); } if (row["AddTime"] != null && row["AddTime"].ToString() != "") { model.AddTime = DateTime.Parse(row["AddTime"].ToString()); } if (row["Modifytime"] != null && row["Modifytime"].ToString() != "") { model.Modifytime = DateTime.Parse(row["Modifytime"].ToString()); } } return(model); }
/// <summary> /// 增加一条数据 /// </summary> public bool Add(MVCLite.Models.Catalog model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into Catalog("); strSql.Append("ID,Name,Intro,Status,AddTime,Modifytime)"); strSql.Append(" values ("); strSql.Append("@ID,@Name,@Intro,@Status,@AddTime,@Modifytime)"); SQLiteParameter[] parameters = { new SQLiteParameter("@ID", DbType.Int32, 4), new SQLiteParameter("@Name", DbType.String, 50), new SQLiteParameter("@Intro", DbType.String, 400), new SQLiteParameter("@Status", DbType.Int32, 4), new SQLiteParameter("@AddTime", DbType.DateTime), new SQLiteParameter("@Modifytime", DbType.DateTime) }; parameters[0].Value = model.ID; parameters[1].Value = model.Name; parameters[2].Value = model.Intro; parameters[3].Value = model.Status; parameters[4].Value = model.AddTime; parameters[5].Value = model.Modifytime; int rows = DbHelperSQLite.ExecuteSql(strSql.ToString(), parameters); if (rows > 0) { return(true); } else { return(false); } }
/// <summary> /// 更新一条数据 /// </summary> public bool Update(MVCLite.Models.Catalog model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update Catalog set "); strSql.Append("Name=@Name,"); strSql.Append("Intro=@Intro,"); strSql.Append("Status=@Status,"); strSql.Append("AddTime=@AddTime,"); strSql.Append("Modifytime=@Modifytime"); strSql.Append(" where ID=@ID "); SQLiteParameter[] parameters = { new SQLiteParameter("@Name", DbType.String, 50), new SQLiteParameter("@Intro", DbType.String, 400), new SQLiteParameter("@Status", DbType.Int32, 4), new SQLiteParameter("@AddTime", DbType.DateTime), new SQLiteParameter("@Modifytime", DbType.DateTime), new SQLiteParameter("@ID", DbType.Int32, 4) }; parameters[0].Value = model.Name; parameters[1].Value = model.Intro; parameters[2].Value = model.Status; parameters[3].Value = model.AddTime; parameters[4].Value = model.Modifytime; parameters[5].Value = model.ID; int rows = DbHelperSQLite.ExecuteSql(strSql.ToString(), parameters); if (rows > 0) { return(true); } else { return(false); } }
/// <summary> /// 得到一个对象实体 /// </summary> public MVCLite.Models.Catalog GetModel(int ID) { StringBuilder strSql = new StringBuilder(); strSql.Append("select ID,Name,Intro,Status,AddTime,Modifytime from Catalog "); strSql.Append(" where ID=@ID "); SQLiteParameter[] parameters = { new SQLiteParameter("@ID", DbType.Int32, 4) }; parameters[0].Value = ID; MVCLite.Models.Catalog model = new MVCLite.Models.Catalog(); DataSet ds = DbHelperSQLite.Query(strSql.ToString(), parameters); if (ds.Tables[0].Rows.Count > 0) { return(DataRowToModel(ds.Tables[0].Rows[0])); } else { return(null); } }