Tip Bank

In VB, we can use a function/sub call to return results by passing parameters by reference (although it

The path returned by App.Path is inconsistent. If the program is running in a root directory, the path will have a backslash on the end. Otherwise, it won

This script gives a preview of an image file selected for upload (even before the upload process takes place). It works in both IE and Netscape. This way, users can

Ever want to use the Common Dialog “ShowOpenDialog” but were frustrated because it required that Visual Studio be installed on each user’s PC?Here’s an alternative written in VBScript that can

Sometimes you may want to gather the user input with a page, and process it in a different page. As you know, ASP.NET web forms can post only to themselves,

In a typical user registration form, you may ask for quite a lot of data, such as the first and last name, full address, phone and fax numbers, e-mail address,

Uploading a file from the client to the server is very straightforward with ASP.NET. Just use the tag and its wrapper class HtmlInputFile. Here’s how you define the control on

If you want to share a value or an object instance between all the pages of any session, you typically use the Application object. However, a good alternative is to

It is usual for a web form to have more than one button control. How can you set the default button that should submit the form and raise its Click