/// <summary> /// 更新一条数据 /// </summary> public bool Update(TSIMSServer.Model.t_major model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update t_major set "); strSql.Append("major_name=@major_name,"); strSql.Append("department_num=@department_num"); strSql.Append(" where major_num=@major_num "); MySqlParameter[] parameters = { new MySqlParameter("@major_name", MySqlDbType.VarChar, 100), new MySqlParameter("@department_num", MySqlDbType.VarChar, 50), new MySqlParameter("@major_num", MySqlDbType.VarChar, 50) }; parameters[0].Value = model.major_name; parameters[1].Value = model.department_num; parameters[2].Value = model.major_num; int rows = DbHelperMySQL.ExecuteSql(strSql.ToString(), parameters); if (rows > 0) { return(true); } else { return(false); } }
/// <summary> /// 增加一条数据 /// </summary> public bool Add(TSIMSServer.Model.t_major model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into t_major("); strSql.Append("major_num,major_name,department_num)"); strSql.Append(" values ("); strSql.Append("@major_num,@major_name,@department_num)"); MySqlParameter[] parameters = { new MySqlParameter("@major_num", MySqlDbType.VarChar, 50), new MySqlParameter("@major_name", MySqlDbType.VarChar, 100), new MySqlParameter("@department_num", MySqlDbType.VarChar, 50) }; parameters[0].Value = model.major_num; parameters[1].Value = model.major_name; parameters[2].Value = model.department_num; 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 TSIMSServer.Model.t_major DataRowToModel(DataRow row) { TSIMSServer.Model.t_major model = new TSIMSServer.Model.t_major(); if (row != null) { if (row["major_num"] != null) { model.major_num = row["major_num"].ToString(); } if (row["major_name"] != null) { model.major_name = row["major_name"].ToString(); } if (row["department_num"] != null) { model.department_num = row["department_num"].ToString(); } } return(model); }
/// <summary> /// 得到一个对象实体 /// </summary> public TSIMSServer.Model.t_major GetModel(string major_num) { StringBuilder strSql = new StringBuilder(); strSql.Append("select major_num,major_name,department_num from t_major "); strSql.Append(" where major_num=@major_num "); MySqlParameter[] parameters = { new MySqlParameter("@major_num", MySqlDbType.VarChar, 50) }; parameters[0].Value = major_num; TSIMSServer.Model.t_major model = new TSIMSServer.Model.t_major(); DataSet ds = DbHelperMySQL.Query(strSql.ToString(), parameters); if (ds.Tables[0].Rows.Count > 0) { return(DataRowToModel(ds.Tables[0].Rows[0])); } else { return(null); } }