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How to conduct a simple analysis of .NET Framework data, many novices are not very clear about this, in order to help you solve this problem, the following editor will explain for you in detail, people with this need can come to learn, I hope you can gain something.

It can take a long time to complete the .NET Framework data for database manipulation. In the current situation, single-threaded applications must block other operations and wait for the command to complete before they can continue to perform their own operations.

If a long-running operation can be assigned to a background thread, the foreground thread can be allowed to remain active throughout the operation. For example, in a .NET Framework data application, by delegating a long-running operation to a background thread, you can allow the user interface thread to remain responsive while the operation is executed.

NET Framework provides several standard asynchronous design patterns through which A. NET Framework data developer can take full advantage of background threads and release user interface threads or high-priority threads to complete other operations ADO.NET supports the same design pattern in its SqlCommand class. Specifically, the BeginExecuteNonQuery, BeginExecuteReader, and BeginExecuteXmlReader methods (along with the EndExecuteNonQuery, EndExecuteReader, and EndExecuteXmlReader methods) provide asynchronous support.

Description:

Asynchronous programming is a core feature of .NET Framework, and ADO.NET takes full advantage of standard design patterns. For more information about the different asynchronous technologies available to developers, see calling synchronous methods asynchronously.

Although there is nothing new to pay special attention to using asynchronous technology with the .NET Framework data feature, it is likely that more developers will use asynchronous functionality in ADO.NET than in other areas of the .NET Framework. It is important to understand the pros and cons of creating multithreaded applications. The examples that follow this section point to a number of important issues that developers will need to consider when developing applications that incorporate multithreading capabilities.

These methods are only supported in Microsoft Windows XP and Windows 2000, but not in Windows 98 or Windows ME. The function of the .NET Framework data code listing 04 is to bind the Customers data table in DataSet to DataGrid. Other components suitable for complex data binding implement data binding in a way similar to this:

System.Data.SqlClient provides access to various versions of SQL Server starting with SQL Server version 7. 0, which encapsulate database-specific protocols. This data provider is designed to function similarly to the .NET Framework data provider for OLE DB, ODBC, and Oracle. System.Data.SqlClient includes a tabular data stream (TDS) parser to communicate directly with SQL Server.

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