orm nhibernate

NHibernate frequently asked questions and how to solve themHave learned nhibernate, but since the work to now almost a year has never been used, recently to consolidate but found to forget a lot, a "in expected: the issue may be caused by the version number in the Hbm.xmlnhibernate file. The 2.2 here represents the NHibernate version number and must match th

Our project uses nhib.pdf. To reflect the superiority of ORM, the leader decided to change the database from Oracle to SQL Server. The problem occurred, and all the date fields that were not initialized could not be properly saved, although these fields allow null. I checked a lot of information and finally found that the date field must use the nuabledatetime type, just like this: Public nullabledatetime dateofbirth { Get {return dateofbirth ;} Set {

In the previous article "ORM tool: nhib.pdf (1)", we gave a brief introduction to nhib.pdf. The next series of articles will share with you the initial use of nhib.pdf in the form of a Demo. I. CodeSmith Introduction This article describes how to use this software to automatically generate a NHibernate ing file and an instance of the nhing class. In the previous article "

High-performance ORM framework XLinq function details, high-performance orm framework xlinq I have briefly introduced some functions of XLinq, but many functions are not mentioned. Now I have added some functions to XLinq. I will introduce all the functions this time.Design objective usage Create TestDataContext class and User object class Start to useQuery LINQ: It seems quite troublesome for the version o

dbparameter[] paras);Object Getsingle (String sql, params dbparameter[] paras);int GetMaxID (String sql, params dbparameter[] paras);}public class Connection{Private readonly string _db;Public Connection (String db){_db = configurationmanager.appsettings[db];}public string Db{get {return _db;}}}public class Mysqlhelper:idbhelper{Private Connection _con;Private Mysqlconnection _mycon;Public Mysqlhelper (Connection con){_con = con;_mycon = new Mysqlconnection (Con. DB);}#region Idbhelper Membersp

Sqlsugar (Domestic) Dos.orm (Domestic) Chloe (Domestic) Stackexchange/dapper (Foreign) Entity Framework (EF) (foreign) NHibernate (Foreign) Servicestack/servicestack.ormlite (Foreign) LINQ2DB (Foreign) Massive (Foreign) Petapoco (Foreign) SqlsugarSqlsugar is a. NET-based ORM framework developed by Chinese developers, and is a high-performance, lightweight

ORM (Object relational Mapping) frameworkThe ORM (Object Relational Mapping) framework uses metadata to describe object-relational mapping details, which are typically XML-formatted and stored in a dedicated object-mapping file.As long as the mapping of persisted classes to tables is provided, the ORM Framework can, at run time, reference the information of the m

DirectoryWrite in frontDocumentation and series articlesAdd dataDelete datamodifying dataAdd Modification DataSummarizeWrite in frontThe previous article introduced the NHibernate-based conditional query on object-oriented. For a project, adding and removing changes is essential, although the implementation of different ways, but there are always involved in this part of the code. Before with a friend said a joke, you will add and delete change, all p

The session in NHibernate is thread insecure and has some impact on performance each time a database operation requests a session. Thread safety can be implemented easily in Windows applications through the [ThreadStatic] feature, whereas in the Web, thread safety can be achieved by using the session with the request HttpContext binding, and the user is currently requesting only one session. The code is as follows:ISessionManage.csUsing System;Using

the code, as programmers, we should be more concerned about how my business will be done when I have the data!You do not need to write SQL statements!!!! The O/R mapping framework helps you do five. HibernateWith the efforts of programmers around the world, we have finally seen the advent of such products: JDO: An immature product IBatis: A semi-finished Hibernate: The most influential, best O/R mapping framework, has become the standard for Java persistence layer. In the. NET community, there