/// <summary> /// 增加一条数据 /// </summary> public bool Add(Topicsys.Model.t_select model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into t_select("); strSql.Append("select_id,select_student_xh,select_topic_id,select_stat)"); strSql.Append(" values ("); strSql.Append("@select_id,@select_student_xh,@select_topic_id,@select_stat)"); MySqlParameter[] parameters = { new MySqlParameter("@select_id", MySqlDbType.VarChar, 40), new MySqlParameter("@select_student_xh", MySqlDbType.VarChar, 20), new MySqlParameter("@select_topic_id", MySqlDbType.VarChar, 40), new MySqlParameter("@select_stat", MySqlDbType.Int32, 1) }; parameters[0].Value = model.select_id; parameters[1].Value = model.select_student_xh; parameters[2].Value = model.select_topic_id; parameters[3].Value = model.select_stat; int rows = DbHelperMySQL.ExecuteSql(strSql.ToString(), parameters); if (rows > 0) { return(true); } else { return(false); } }
/// <summary> /// 得到一个对象实体 /// </summary> public Topicsys.Model.t_select DataRowToModel(DataRow row) { Topicsys.Model.t_select model = new Topicsys.Model.t_select(); if (row != null) { if (row["id"] != null && row["id"].ToString() != "") { model.id = int.Parse(row["id"].ToString()); } if (row["select_id"] != null) { model.select_id = row["select_id"].ToString(); } if (row["select_student_xh"] != null) { model.select_student_xh = row["select_student_xh"].ToString(); } if (row["select_topic_id"] != null) { model.select_topic_id = row["select_topic_id"].ToString(); } if (row["select_stat"] != null && row["select_stat"].ToString() != "") { model.select_stat = int.Parse(row["select_stat"].ToString()); } } return(model); }
/// <summary> /// 更新一条数据 /// </summary> public bool Update(Topicsys.Model.t_select model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update t_select set "); strSql.Append("select_topic_id=@select_topic_id,"); strSql.Append("select_stat=@select_stat"); strSql.Append(" where id=@id"); MySqlParameter[] parameters = { new MySqlParameter("@select_topic_id", MySqlDbType.VarChar, 40), new MySqlParameter("@select_stat", MySqlDbType.Int32, 1), new MySqlParameter("@id", MySqlDbType.Int32, 11), new MySqlParameter("@select_id", MySqlDbType.VarChar, 40), new MySqlParameter("@select_student_xh", MySqlDbType.VarChar, 20) }; parameters[0].Value = model.select_topic_id; parameters[1].Value = model.select_stat; parameters[2].Value = model.id; parameters[3].Value = model.select_id; parameters[4].Value = model.select_student_xh; int rows = DbHelperMySQL.ExecuteSql(strSql.ToString(), parameters); if (rows > 0) { return(true); } else { return(false); } }
/// <summary> /// 得到一个对象实体 /// </summary> public Topicsys.Model.t_select GetModel(string id) { StringBuilder strSql = new StringBuilder(); strSql.Append("select id,select_id,select_student_xh,select_topic_id,select_stat from t_select "); strSql.Append(" where select_id=@id"); MySqlParameter[] parameters = { new MySqlParameter("@id", MySqlDbType.VarChar) }; parameters[0].Value = id; Topicsys.Model.t_select model = new Topicsys.Model.t_select(); DataSet ds = DbHelperMySQL.Query(strSql.ToString(), parameters); if (ds.Tables[0].Rows.Count > 0) { return(DataRowToModel(ds.Tables[0].Rows[0])); } else { return(null); } }