Now that you have learned the basics of ASP.NET, it is time to test your knowledge by building a sample ASP.NET application. In this section, we’ll create an ASP.NET application that allows users to upload and view pictures. One use of this type of application would be to collect and share digital camera photos. For this sample application, we will create four .aspx files:
category.aspx— Allows users to pick a category of pictures to view, or create a new category.
pictures.aspx— Displays all the pictures in a given category.
thumbnail.aspx— Creates a smaller version of an image for faster downloading.
upload.aspx— Allows users to upload a new picture.
In creating this application, we will use many of the ...