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ith ASP.NET, you have several choices for developing web applications. If you re inclined (and don t mind the work), you can code every web page and class by hand using a bare-bones text editor. This approach is appealingly straightforward but tedious and error-prone for anything other than a simple page. Professional ASP.NET developers rarely go this route. Instead, almost all large-scale ASP.NET websites are built using Visual Studio. This professional development tool supports a rich set of design tools, including a legendary set of debugging tools and IntelliSense, which catches errors and offers suggestions as you type. Visual Studio also supports the robust code-behind model, which separates the .NET code you write from the web-page markup tags. To seal the deal, Visual Studio 2005 adds a built-in test web server that makes debugging Web sites easy and relatively hassle-free. In this chapter, you ll tour the Visual Studio IDE and explore its key features. You ll also learn about the coding model used for ASP.NET 2.0 web pages.

ReadBlock()

Deploying ASPNET web applications is usually nothing more than copying the directory structure of your application to the target machine and configuring the environment For simple applications, that s almost always true But if your application uses databases or accesses other resources, you have to perform some additional steps Here are some common factors that will require additional configuration steps: Copy all required application files to the target machine: You don t need to do anything else But if you are using global assemblies accessed through the GAC, you have to verify whether these assemblies are in place If not, you have to install them using the gacutilexe command-line utility of the NET Framework Create and configure the database for the application: It s important to not only create the database and its tables but also to configure the database server logins and database users.

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Reads a specified maximum number of characters from the current stream and writes the data to a buffer, beginning at a specified index. Reads a line of characters from the current stream and returns the data as a string (a null string indicates EOF). Reads all characters from the current position to the end of the stream and returns them as a single string.

ReadLine()

Don t forget that if you are using integrated authentication for connecting to a SQL Server database, you must configure the account under which ASP NET is executed (the application pool account or aspnet_wpexe account) as a user for the application s database Configure IIS as required for the application: Therefore, create necessary application pools, share the application directory as a virtual directory, and configure the virtual directory appropriately Set up Windows account permissions for the worker process user: The user under which the worker process (either aspnet_wpexe or w3wpexe in IIS 60) needs access to the application directories (at least read if the application doesn t write anything to these directories) If your application accesses other resources such as the registry or event log, you have to configure the permission for the worker process account to access these resources.

As you can see in this example, I have used two constructors with different signatures. This is because some Java lightweight frameworks, such as Hibernate, sometimes need an empty default constructor. The Spring IoC container supports both constructor and setter DI. It uses either an external XML configuration file or annotations to manage all the dependencies between objects. When an object is managed by the Spring container, it is called bean. < xml version="1.0" encoding="UTF-8" > <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.0.xsd" default-lazy-init="true"> <bean id="mailDao" class="org.apress.usermanager.dao.mail.MailDaoImpl" /> <bean id="userDao" class="org.apress.usermanager.dao.ldap.UserDaoImpl" /> <bean id="userService" class="org.apress.usermanager.business.UserServceImpl" > <property name="mailDao" ref="mailDao"/> <property name="userDao" ref="userDao"/> </bean> </beans> This example shows the Spring setter injection described by the Spring XML configuration file. In the property tag, the attribute called name corresponds to the setter name setMailDao, and the attribute called ref communicates with the container telling it the reference object to inject in (in this example, the bean mailDao was instantiated with another bean above).

ReadToEnd()

Add IIS file mappings: Add IIS file mappings if you want to process any URLs with filename extensions that are different from the extensions registered on a default ASPNET installation..

If you now extend the current MyStreamWriterReader sample application to use a StreamReader, you can read in the textual data from the reminders.txt file, as shown here: static void Main(string[] args) { Console.WriteLine("***** Fun with StreamWriter / StreamReader *****\n"); ... // Now read data from file. Console.WriteLine("Here are your thoughts:\n"); using(StreamReader sr = File.OpenText("reminders.txt")) { string input = null; while ((input = sr.ReadLine()) != null) { Console.WriteLine (input); } } Console.ReadLine(); } Once you run the program, you will see the character data in reminders.txt displayed to the console.

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