August 22, 2002 - Using the MessageBox Class
August 22, 2002|
Using the MessageBox Class
Tips: August 2002
Yehuda Shiran, Ph.D.
alert()method is great for debugging scripts the good old-fashioned way--tracing variables by displaying their values along the flow. JScript .NET provides similar capabilities via the
System.Window.Forms.MessageBox.Show()method. You pass this method a single argument, a string, and it pops up a window displaying this string and an
The message box is called modal. A window or a form is modal if it retains the focus until you explicitly close it. It's a common practice to make dialog boxes and messages modal, since you want to make sure the user reads the message before he or she continues working with the application.
show() method belongs to the class
MessageBox, of the
System.Windows.Forms namespace. Import this namespace before you work with the
MessageBox class, so you don't have to specify the fully-qualified name. As
System.Console are available only from JScript .NET code that is compiled and run from the command line, so is the
System.Windows.Forms namespace. It is not available from ASP.NET pages or from Code Behind JScript .NET code.
To learn more about JScript .NET and ASP.NET, go to Column 116, JScript .NET, Part IX: Displaying Information.