How to query the database to get all the Table names
SELECT * FROM information_schema.tables where Table_type=’BASE TABLE’
How to clear all the items in a listbox
VB.NET ListBox1.Items.Clear C# ListBox1.Items.Clear();
Why isn’t Session available in my event handlers in global.asax?
It depends on which event you’re handling. Session is available only after AcquireRequestState event
Can two different programming languages be mixed in a single ASPX file?
No. ASP.NET uses parsers to strip the code from ASPX files and copy it to temporary files containing derived Page classes, and a given parser understands only one language
Is it possible to use a style sheet class directly on a control instead of using inline or page-level formatting ?
Every WebControl derived control has a CssClass property which allows you to set it’s format to a style sheet.