For me filepaths have always been kind of complex to me. Microsoft uses \, Linux uses / to denot paths. .\ means from the current directory, ..\ means prior directory. It can get pretty complex and even more complex in the web world. This page focuses on Paths.

You can add validator controls to an asp.net webform. What these do is verify that another control has a value within limits of that validator control. For example the IsRequired validator expects to find a value in a control. If the form is validated and the associated control does not have a value, then an error is thrown.

The RadioButtonList is used to display a list of radio buttons, of which only one can be selected.

One interesting characteristic of the ASP.Net Forms architecture is the postback. What happens is anytime you click a button, or trigger other sorts of events, you trigger what is known as a postback. The form is resubmitted back to the server, server side logic is processed, and the entire form is rerendered. This page discusses the postback.

The Panel object is the ASP.Net equivalent to the HTML FieldSet object. It's used to create a box. It has other capabilities as well.

A description of the ListView control. A control designed to replace the GridView control.

The Object Datasource is an object which binds a gui object to a specially written business object. Used by data driven controls like ListViews, DropdownLists, really... anything that binds to data.

Sending email is very important to a lot of programming assignments. This page gives examples of how to send email using VB.

Visual Basic comes with a decent math module. This goes the different types of math functions.

A description of the ListView control. A control designed to replace the GridView control.