binding control that supports the performanceid attribute. At the same time, SqlDataSource has the ability to describe itself (such as selection, insertion, update, deletion, and sorting), and even the data binding control can automatically implement selection when these capabilities are allowed, insert, update, delete, sort, and so on. The SqlDataSource control allows you to replace the large amount of ADO required before creating database connectio
This section focuses on server-side ASP. NET WEB Service database configuration and operations, client database operations.Hyappframe Project Address: https://sourceforge.net/u/chinahysoft/profile/1. Server-side database operationsThe Hyappframe server connects to the database
Database Operations mainly involve executing commands and reading data.
1. Connection
To access the database, you must first establish a connection with the database. In ADO. net, the connection object is used to establish a connection with the database.
For example, the
is:So the final summary of the principle, I quote a great God blog (https://www.lanhusoft.com/Article/290.html) in the summary: When SQL Server enables cache dependencies, the corresponding tables, triggers, and some stored procedures are added to the corresponding database. It is the use of triggers to monitor the table data changes, if there is an increase, delete, change to insert data into the notification table, and then notify the subscription
Regular backup of web site data is indispensable. We often encounter the website backup function on the web site. Next we will introduce the asp tutorial.. net.
Using System. Data. SqlClient;
Using System. IO;
String SqlStr1 = "Server = (local); DataBase = master; Uid = sa; Pwd = ";
String SqlStr2 = "Exec sp_helpdb ";
String SqlStr1 = "Server = (local); database
Tags: direct form cal NEC too console appears data tool 1:ado. NET database methods and techniques The main composition of 2:ado.net: 1>dataset (data Set)-----data access independent of data 2>. NETFramework (data Provider)------used to connect to a database, execute commands, and retrieve results 3: Application: Command: The object is responsible for executing c
ASP. NET database operationsCodeDatareader Function: datareader reading class, which reads data only forward. Read-only and inbound data streams. Because there is only one row of data in the memory each time, you can use datareader to improve the applicationProgramPerformance and reduce system overhead. It also provides an unbuffered data stream that enables the process logic to effectively process the re
. Net remote connection to the Oracle database seems simple, but it still encountered many problems in practice. Share with you the experience I have learned about this thing today.
There are many ways to access the oracle database. I provide two methods: OleDbConnection and. NET Managed Provider for Oracle. The Code i
associate two-way data binding with control properties in the template to allow automatic transfer of values to the data source for update, insert, or delete operations. For Hierarchical xml data, asp.net 2.0 also contains an xpath-based Data Binding syntax.
· Use the SQL express local file database-to simplify development, asp.net 2.0 now supports the ability to connect to the SQL express database as a lo
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Summary
Directory
Digress
Through the previous chapters, I do not know if you have some knowledge of ADO. net. Regardless of the quality of the article, it must be affirmed that I write every article with my heart. I have spent a lot of time on both typographical and content selection. I hope that through this series of articles, both novice and veteran will be able to gain some benefits in ADO. net.If you think it is
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1. Create a table
2. Set the connection string
Many new features are provided in ASP. NET 2.0, which require the use of providers to provide access to the database. With the provider, you can manage users and roles without writing ADO. Net to access the database.
To use new feature
. Net core generates entity classes based on the database,. netcore
Microsoft has been making great efforts in cross-platform development in recent years. Many. net programmers are also very keen on Microsoft. Recently, Microsoft also released the asp. net core2.0 preview version.
Through.
directly download the SQL Server 2000 Northwind database and installation script from the Microsoft website.
After the database is installed, go to the server resource manager in Visual Studio, right-click the Data Connection node, and select "Add Connection )". If you cannot see the server resource manager, go to View and click server resource manager, or press Ctrl + Alt + S to open the server resource m
closing the connection.
· Make sure that at least one open connection exists in the connection pool.
·Avoid using the connection pool when using integrated Authentication
The connection pool can be monitored through the following channels:
·UseSp_whoOrSp_who2Stored Procedure
·UseSQL ServerOfProfiler
·Use performance counters of performance monitors
References
Tuning Up ADO. Net Connection pooling in ASP.
In the development of the with database. NET system I used a variety of ways, including the direct use of ADO, the use of various types of ADO-based tools (including their own package), as well as a variety of ORM class libraries, such as NHibernate, Mybatisnet, Linq to SQL, Entity Framwrok, etc., in the above tool or class library, mybatisnet a period of time was my favorite: because its XML-based configur
Use EF Code First to build a simple ASP. net mvc website, which allows database migration and efmvc
This article uses EF Code First to build a simple ASP. net mvc 4 website and allow database migration.
Create an ASP. net mvc 4 website.
Create the Person class in the M
1. Overview:
This article describes how to create a layer-3 Application and how to create a web service.
Shows the architecture for creating a Windows L3 application using ADO. Net:
The structure consists of three layers: presentation layer, business layer, and data layer.
Data Layer: represents a physical database.
Business Layer: responsible for data transmission between the data layer and the presentatio
Original: SQLite's use in. NET and SQLite database cleanupSqlite is a lightweight relational database, and I will not be in the details of her benefits. The purpose of this article is to help users of the. NET Platform.SQLite has developed a special package for the VS2010, you can go to System.Data.SQLite Download Page
In the root directory of a website developed in ASP. NET, there is a file named web. config. As the name suggests, this is a file configured for the entire website, in XML format.
Here we will talk about the In the first case, the local database is used during local development. The following code is used:
Copy codeThe Code is as follows: ConnectionString = "Data Source = (LocalDB) \ v11.0; AttachDbFilename
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