/// <summary> /// 得到一个对象实体 /// </summary> public tdps.Model.DM_YPXH GetModel(string ypxh_dm) { StringBuilder strSql = new StringBuilder(); strSql.Append("select ypxh_dm,ypxh_mc,bz,xybz from DM_YPXH "); strSql.Append(" where ypxh_dm=@ypxh_dm "); SQLiteParameter[] parameters = { new SQLiteParameter("@ypxh_dm", DbType.String, 10) }; parameters[0].Value = ypxh_dm; tdps.Model.DM_YPXH model = new tdps.Model.DM_YPXH(); DataSet ds = SQLiteHelper.ExecuteDataSet(strSql.ToString(), parameters); if (ds.Tables[0].Rows.Count > 0) { model.ypxh_dm = ds.Tables[0].Rows[0]["ypxh_dm"].ToString(); model.ypxh_mc = ds.Tables[0].Rows[0]["ypxh_mc"].ToString(); model.bz = ds.Tables[0].Rows[0]["bz"].ToString(); model.xybz = ds.Tables[0].Rows[0]["xybz"].ToString(); return(model); } else { return(null); } }
/// <summary> /// 增加一条数据 /// </summary> public void Add(tdps.Model.DM_YPXH model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into DM_YPXH("); strSql.Append("ypxh_dm,ypxh_mc,bz,xybz)"); strSql.Append(" values ("); strSql.Append("@ypxh_dm,@ypxh_mc,@bz,@xybz)"); SQLiteParameter[] parameters = { new SQLiteParameter("@ypxh_dm", DbType.String, 3), new SQLiteParameter("@ypxh_mc", DbType.String, 20), new SQLiteParameter("@bz", DbType.String, 50), new SQLiteParameter("@xybz", DbType.String, 1) }; parameters[0].Value = model.ypxh_dm; parameters[1].Value = model.ypxh_mc; parameters[2].Value = model.bz; parameters[3].Value = model.xybz; SQLiteHelper.ExecuteNonQuery(strSql.ToString(), parameters); }
/// <summary> /// 更新一条数据 /// </summary> public void Update(tdps.Model.DM_YPXH model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update DM_YPXH set "); strSql.Append("ypxh_mc=@ypxh_mc,"); strSql.Append("bz=@bz,"); strSql.Append("xybz=@xybz"); strSql.Append(" where ypxh_dm=@ypxh_dm "); SQLiteParameter[] parameters = { new SQLiteParameter("@ypxh_dm", DbType.String, 3), new SQLiteParameter("@ypxh_mc", DbType.String, 20), new SQLiteParameter("@bz", DbType.String, 50), new SQLiteParameter("@xybz", DbType.String, 1) }; parameters[0].Value = model.ypxh_dm; parameters[1].Value = model.ypxh_mc; parameters[2].Value = model.bz; parameters[3].Value = model.xybz; SQLiteHelper.ExecuteNonQuery(strSql.ToString(), parameters); }