ASP.NET (C# & VB.NET): Page 3

In this video tutorial, Chris Pels will demonstrate how to create a custom user control in ASP.NET that can be used throughout a web site or across many web sites. Start out by learning the basics of creating a user control that will be used in multiple pages including validation, controlling formatting using style elements, and loading/saving data for the user interface elements. Throughout the video considerations for building user controls that can be easily maintained and used across...

In this video tutorial, Chris Pels will show several aspects of defining and using master pages in an ASP.NET web site. First, see how to create master pages declaratively using the ASP.NET master page model and learn what information is best suited to a master page compared to an individual content page. Next, see how to programmatically assign master pages on-the-fly in an individual content page. Also learn how to create a base page class which assigns a master page programmatically for all...

In this four-part video tutorial, Joe Stagner will demonstrate, using ASP.NET, uploading a single file from the client machine to your server.

In this video tutorial, Chris Pels will show how to include JavaScript to an ASP.NET page for use on the client page to provide a richer and more robust user experience. First, see how to include JavaScript directly within an ASP.NET page and reference the script from within HTML page elements. Next, see how to abstract the JavaScript to an external JavaScript file which offers the advantage of being cached by the browser and can be used by multiple pages. Lastly, learn how to add JavaScript to...

In this video tutorial, Chris Pels will show how to extend the standard set of ASP.NET configuration settings with your own XML configuration elements. First, see how to create a configuration section handler which is required to interpret and process the information in custom XML configuration elements. During this learn how to use declarative model for defining the behavior of a configuration section handler. Next, see how to add a custom section handler and custom elements to an ASP.NET...

In this video tutorial, Chris Pels shows how to use the ASP.NET IIS Registration Tool to configure ASP.NET. First, see how file extensions are mapped to ASP.NET in the IIS Manager on a global and web-site-by-web site basis. These script maps provide the basis for configuring individual ASP.NET applications to run under a specific version of the .NET Framework. Next, see how aspnet_regiis.exe, the IIS Registration Tool command line utility, is specific to each version of the .NET Framework and...

In this video tutorial, Chris Pels will show how to make standard HTML elements in an .aspx page accessible from server side code so they can be used in page processing like a standard ASP.NET server control. First, see how the addition of a runat="server" attribute to a standard HTML control like a div allows it to be referenced in server side code with full Intellisense. Next, see several examples of how you might manipulate HTML elements on a page with this technique. Lastly, see how this...

In this video tutorial, Chris Pels will show how information can be passed from one page to another using a query string. First, see how to construct a query string including variable names and values from information on a data entry form. Next, see how to access the query string information when the page is posted including how multiple query string variables are handled. As part of the server side processing of query string information, see how to implement validation for existence of...