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In this unit you have learned how to develop Web pages which use VBScript. You have learned to insert logic to your Web pages as along with any other programming application. You have also learned about Object support in VBScript. One of the very common and frequently used objects, the Dictionary Object has been discussed thoroughly. Validations form significant part of forms that have been illustrated in many examples in this unit. You have also learned how to employ the Err object for handling Runtime errors. Now you will be able to design Web pages such as Enquiry forms, admission forms etc. You have learned regarding the different operators & datatypes supported by VBScript and how to employ them. You have learnt regarding functions and procedures, and how to make your programs modular by using them. Coding conventions must be followed to make your programs readable & easily understandable by others. These include indentation of the code, naming the variables and constants and other formatting conventions such as those for comments.
You can employ until keyword in two ways to verify a condition in a Do...Loop statement. You can verify the condition before you enter the loop (as illustrated in the following Chk
Displaying the file Without Scrolling: To display a file follow the steps as shown below: 1. Generate a SDI application. 2. Type the coding as shown in the Serialize els
Events: The Controls are placed on a form and then to make them functional an "event procedure" is related with the control object. An event process is what happens in respons
specifically aims to what?
Returns or sets the name of the object or application which generated the error originally. The Source property indicates a string expression which is usually the class name or pro
CLASS WIZARD The Class wizard shown in figure is a tool to handle the message handlers for objects, to define the member variables. Figure: Class Wizard
Using Loops to Repeat Code Looping let you to run a group of statements repeatedly. Some loops repeat statements till a condition are False; others repeat statements till a con
Restricting The Vocabulary: The properly formed vocabulary is like an inverted pyramid. All easy to learn communication system follow this pattern. The canonical vocabulary in
While a run-time error takes place, the properties of the Err object are filled with information which uniquely identifies the error & information which can be used to handle it. I
IMAGELIST The CImageList object is a collection of the same sized images, all of which can be referred to by its index. The ImageList are used to proficiently manage the large
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