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Using (SqlConnectionconnectionnewSqlConnection (connectionString) {connection. Open (); Startalocaltransaction. SqlTransactionsqlTranconnection. BeginTransaction (); Enlistacommandinthecurrenttransaction. SqlCommandco Using (SqlConnection connection

First: Database Table Design Then the Person class in the object class[Java]Public class Person {Protected Integer id;Protected String name;Public Integer getId (){Return id;}Public void setId (Integer id ){This. id = id;}Public String getName

This article will introduce the CRUD operation examples of persistence classes with List attributes in Hibernate. If you are interested, please refer to them. 1. hibernate. cfg. xml The Code is as follows: Copy code "-//

Use of Android open-source SlidingMenuI. Introduction to SlidingMenu SlidingMenu is one of the most common open source projects. Slidingmenu, an open-source project on GitHub, provides the best implementation: customization flexibility, various

Hibernate ing (4)-one-to-many   One-to-multiple and multiple-to-one differences: The ing principle is consistent. A foreign key is added to multiple ends, pointing to one end. The difference is that the maintained relationship is different: The

Four steps to perform an ADO transactionTake SqlTransaction object as an example to introduce:1) Call the BeginTransaction () method of the SqlConnection object to create a SqlTransaction object that marks the start of the transaction.2) assigns the

Speaking of many-to-many relationships. The most impressive is the elective course of the university. A student can take multiple courses, one course can be taken by multiple students, and each student's chosen course has a grade .The E-r diagram

Database structure. The three fields, StudentName, ClassName, and ClassDate, all belong to the char type. The primary key is StudenName + ClassName. Configuration file: Class: Public class Classes{Public Classes (){ } Private System. String _

After reading this article, I believe you will have a deep understanding of what is ORM (image/link ing) and its advantages, let's start with a simple example to show its power. Just as some traditional classical computer articles begin with a

The following are simple:Now use the fragment to implement a simple dynamic UI, click the title of the left title bar, and then the left body bar to display the corresponding article1. Add two fragment in the Activity_main.xml layout.One

06Android learning from zero single row of fragmentThis is the last part of Android Basic learning, after this part of the learning is completed, will not be updated in the "Android learning from zero single row" series blog, in this section after

transactions in SQL Server can merge multiple database additions and deletions into a single unit of work, and can roll back any changes that have been made to any part of the operation during an error. Ado. NET also provides transactional

First, if you want to use fragment in android3.0 and the following versions, you must quote Android-support-v4.jar this packageThen you write the activity can no longer inherit from the activity class, but to inherit

This article is intended to record the small problem solution in the development process of YII, not comprehensive, not authoritative, not a tutorial. I have written, think can solve the problem, later may also use, remember it. 1. The introduction

A proxy is a common design pattern designed to provide a proxy for other objects to control access to an object. The proxy class is responsible for preprocessing messages for the delegate class, filtering messages and forwarding messages, and

ado| Data transactions in Ado.net Ado.net supports two transaction models, which are in the. NET Framework documentation is defined as a guide. The Transaction Guide manual describes the database transactions that should normally be known, and it

Tag: Client timeout invalid calling SQL statement APT Comm begins beginFirst, you need to add MySQL-related references in C # inusing MySql.Data.MySqlClient;Second, connect MySQL, create a Connection object, and then open its start objectNew

Jeff Lee blog:http://www.cnblogs.com/alandre/(Mud brick Carpenter), retain the URL when reproduced! Thanks ： Resources to the top of the first page Add group can. I. Slidingmenu INTRODUCTIONGithub:https://github.com/jfeinstein10/slidingmenu On the

Fragment of Android The competition project has to be connected to fragment, so I want to learn it. I think the way to learn Android is to learn and use it, what you need to learn, and remember it when you use it, for me, the better way to remember

This chapter mainly introduces Android input and output support. Android provides two convenient methods for file IO: openFileOutput and openFileInput. It provides the SharedPreferences tool class for recording and accessing application parameters