Using the Button and LinkButton Click event procedure is straightforward. The ImageButton control provides an additional capability. The Click event argument for the ImageButton control includes the X and Y coordinates for where the user clicked on the control. The image response depends on where it Images that respond to clicks in this way are called image maps.

Grid layout : This is the default. Controls are placed exactly where you draw them and they have absolute positions on the page. Use grid layout for Windows-style applications, in which controls are not mixed with large amounts of text. Flow layout : This places controls relative to other elements on the page. If you add elements at run time, the controls that occur after the new element move down. Use flow layout for document-style applications, in which text and controls are intermingled.

Use the Request object’ s UserLanguages array. The value at element 0 corresponds to one of the culture codes used by the CultureInfo class. For example: SLang = Request.UserLanguages(0)

The CurrentCulture property affects how the .NET Framework handles dates, currencies, sorting, and formatting issues. The Current UICulture property determines which satellite assembly is used when loading resources.