/// <summary> /// 更新一条数据 /// </summary> public bool Update(DBAccess.Model.PLDeviceModel model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update PLDevice set "); strSql.Append("devName=@devName,"); strSql.Append("nodeID=@nodeID,"); strSql.Append("tag1=@tag1,"); strSql.Append("tag2=@tag2,"); strSql.Append("tag3=@tag3,"); strSql.Append("tag4=@tag4,"); strSql.Append("tag5=@tag5"); strSql.Append(" where devID=@devID "); SqlParameter[] parameters = { new SqlParameter("@devName", SqlDbType.NVarChar, 50), new SqlParameter("@nodeID", SqlDbType.NVarChar, 50), new SqlParameter("@tag1", SqlDbType.NVarChar, 50), new SqlParameter("@tag2", SqlDbType.NVarChar, 50), new SqlParameter("@tag3", SqlDbType.NVarChar, 50), new SqlParameter("@tag4", SqlDbType.NVarChar, 50), new SqlParameter("@tag5", SqlDbType.NVarChar, 50), new SqlParameter("@devID", SqlDbType.NVarChar, 50) }; parameters[0].Value = model.devName; parameters[1].Value = model.nodeID; parameters[2].Value = model.tag1; parameters[3].Value = model.tag2; parameters[4].Value = model.tag3; parameters[5].Value = model.tag4; parameters[6].Value = model.tag5; parameters[7].Value = model.devID; int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters); if (rows > 0) { return(true); } else { return(false); } }
/// <summary> /// 得到一个对象实体 /// </summary> public DBAccess.Model.PLDeviceModel DataRowToModel(DataRow row) { DBAccess.Model.PLDeviceModel model = new DBAccess.Model.PLDeviceModel(); if (row != null) { if (row["devID"] != null) { model.devID = row["devID"].ToString(); } if (row["devName"] != null) { model.devName = row["devName"].ToString(); } if (row["nodeID"] != null) { model.nodeID = row["nodeID"].ToString(); } if (row["tag1"] != null) { model.tag1 = row["tag1"].ToString(); } if (row["tag2"] != null) { model.tag2 = row["tag2"].ToString(); } if (row["tag3"] != null) { model.tag3 = row["tag3"].ToString(); } if (row["tag4"] != null) { model.tag4 = row["tag4"].ToString(); } if (row["tag5"] != null) { model.tag5 = row["tag5"].ToString(); } } return(model); }
/// <summary> /// 增加一条数据 /// </summary> public bool Add(DBAccess.Model.PLDeviceModel model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into PLDevice("); strSql.Append("devID,devName,nodeID,tag1,tag2,tag3,tag4,tag5)"); strSql.Append(" values ("); strSql.Append("@devID,@devName,@nodeID,@tag1,@tag2,@tag3,@tag4,@tag5)"); SqlParameter[] parameters = { new SqlParameter("@devID", SqlDbType.NVarChar, 50), new SqlParameter("@devName", SqlDbType.NVarChar, 50), new SqlParameter("@nodeID", SqlDbType.NVarChar, 50), new SqlParameter("@tag1", SqlDbType.NVarChar, 50), new SqlParameter("@tag2", SqlDbType.NVarChar, 50), new SqlParameter("@tag3", SqlDbType.NVarChar, 50), new SqlParameter("@tag4", SqlDbType.NVarChar, 50), new SqlParameter("@tag5", SqlDbType.NVarChar, 50) }; parameters[0].Value = model.devID; parameters[1].Value = model.devName; parameters[2].Value = model.nodeID; parameters[3].Value = model.tag1; parameters[4].Value = model.tag2; parameters[5].Value = model.tag3; parameters[6].Value = model.tag4; parameters[7].Value = model.tag5; int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters); if (rows > 0) { return(true); } else { return(false); } }
/// <summary> /// 得到一个对象实体 /// </summary> public DBAccess.Model.PLDeviceModel GetModel(string devID) { StringBuilder strSql = new StringBuilder(); strSql.Append("select top 1 devID,devName,nodeID,tag1,tag2,tag3,tag4,tag5 from PLDevice "); strSql.Append(" where devID=@devID "); SqlParameter[] parameters = { new SqlParameter("@devID", SqlDbType.NVarChar, 50) }; parameters[0].Value = devID; DBAccess.Model.PLDeviceModel model = new DBAccess.Model.PLDeviceModel(); DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters); if (ds.Tables[0].Rows.Count > 0) { return(DataRowToModel(ds.Tables[0].Rows[0])); } else { return(null); } }