Part VI in Visual Studio .NET

Encoding PDF417 in Visual Studio .NET Part VI

Part VI
Drawing PDF-417 2d Barcode In .NET Framework
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Printing Bar Code In .NET Framework
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Building Web Applications
PDF417 Creation In C#.NET
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Making PDF 417 In VS .NET
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Provide tools allowing for the easy development of Web applications Generate applications that can be accessed from any browser that supports HTML Be responsive and scalable Microsoft originally developed the Active Server Pages (ASP) model in response to many of these issues. By using ASP, developers can embed application code in HTML pages. A Web server such as Microsoft Internet Information Services (IIS) could execute the application code and use it to generate an HTML response. However, ASP did have its problems: you had to write a lot of application code to do relatively simple things, such as display a page of data from a database; mixing application code and HTML caused readability and maintenance issues; and performance was not always what it could be because ASP pages had to interpret application code in an HTML request every time the request was submitted, even if it was the same code each time. With the advent of the .NET Framework, Microsoft updated the ASP model and created ASP.NET. The main features of the latest release of ASP.NET include the following: A rationalized program model using Web forms that contain presentation logic and code les that separate out the business logic. You can write code in any of the languages supported by the .NET Framework, including C#. ASP.NET Web forms are compiled and cached on the Web server to improve performance. Server controls that support server-side events but that are rendered as HTML so that they can operate correctly in any HTML-compliant browser. Microsoft has extended many of the standard HTML controls as well so that you can manipulate them in your code. Powerful controls for displaying, editing, and maintaining data from a database. Options for caching client state using cookies on the client s computer, in a special service (the ASP.NET State service) on the Web server, or in a Microsoft SQL Server database. The cache is easily programmable by using code. Enhanced page design and layout by using Master Pages, themes, and Web Parts. You can use Master Pages to quickly provide a common layout for all Web pages in an application. Themes help you implement a consistent look and feel across the Web site, ensuring that all controls appear in the same way if required. With Web Parts, you can create modular Web pages that users can customize to their own requirements. You will use themes later in this chapter. Using Master Pages and Web Parts is outside the scope of this book. Data source controls for binding data to Web pages. By using these new controls, you can build applications that can display and edit data quickly and easily. The data source controls can operate with a variety of data sources, such as DLINQ entity objects, SQL Server databases, Microsoft Access databases, XML les, Web services, and other
Paint PDF 417 In Visual Basic .NET
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Encode 2D Barcode In VS .NET
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27
Code 3 Of 9 Maker In .NET Framework
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1D Barcode Generation In Visual Studio .NET
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Introducing ASP.NET
Barcode Generation In Visual Studio .NET
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Make Data Matrix ECC200 In VS .NET
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business objects. The data source controls provide you with a consistent mechanism for working with data, independent from the source of that data. You will make use of data source controls in 29, Protecting a Web Site and Accessing Data with Web Forms. Powerful controls for displaying and editing data. Microsoft provides the FormView control for displaying data and editing data one record at a time, and the GridView control is provided for presenting information in a tabular format. You can use the TreeView control to display hierarchical data, and you can use the SiteMapPath and Menu controls to assist in user navigation through your Web application. You will use the GridView control in 29. AJAX extensions so that you can build highly interactive and responsive Web applications that can minimize the network bandwidth required to transmit data between the client application and the Web server. By using AJAX, you can de ne parts of a Web page as being updatable. When information displayed in an updatable region of a page changes, only the information required for that part of the page is transmitted by the Web server. Security features with built-in support for authenticating and authorizing users. You can easily grant permissions to users to allow them to access your Web application, validate users when they attempt to log in, and query user information so that you know who is accessing your Web site. You can use the Login control to prompt the user for credentials and validate the user and the PasswordRecovery control for helping users remember or reset their password. You will use these security controls in 29. Web site con guration and management by using the ASP.NET Web Site Administration Tool. This tool provides wizards for con guring and securing ASP.NET Web applications. You will use the ASP.NET Web Site Administration Tool in 29. In the remainder of this chapter, you will learn more about the structure of an ASP.NET application.
Make Code 128B In VS .NET
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Encode Code 11 In Visual Studio .NET
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2D Barcode Maker In VB.NET
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Code 39 Recognizer In Java
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Generating Quick Response Code In .NET Framework
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EAN / UCC - 13 Generator In None
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Make QR Code ISO/IEC18004 In None
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Data Matrix ECC200 Creation In Objective-C
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Encoding Barcode In Java
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Creating UCC.EAN - 128 In C#.NET
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