Add Vbscript code to an html page, Visual Basic Programming

Assignment Help:

You can employ the SCRIPT element to add VBScript code to an HTML page.

The SCRIPT Tag

VBScript code is written inside paired SCRIPT tags.

For instance, a process to test a delivery date might appear as follows:

SCRIPT LANGUAGE="VBScript"

Function CanDeliver(Dt)

CanDeliver = (CDate(Dt) - Now()) > 2

End Function

SCRIPT

Beginning & ending SCRIPT tags surround the code. The LANGUAGE attribute specified the scripting language. You have to specify the language since browsers can use other scripting languages, like JavaScript. Notice that the CanDeliver function is embedded in comment tags. This prevents browsers which do not support the SCRIPT tag from displaying the code on the page.

As the example is a general function - it is not tied to any specific form control - you can comprise it in the HEAD section of the page as shown below:

 

Function CanDeliver(Dt)

CanDeliver = (CDate(Dt) - Now()) > 2

End Function

You can employ SCRIPT blocks anywhere in an HTML page. You can put them in the BODY and HEAD both sections. Though, you will probably desire to put all general-purpose scripting code in the HEAD section to keep all the code together. Keeping your code in the HEAD section make sure that all the code is read & decoded before it is required by any calls from inside the BODY section.

One distinguished exception to this rule is that you may want to provide inline scripting code within forms to respond to the events of objects in your form. For instance, you can embed scripting code to respond to a button click in a form as shown in Figure:

HTML

HEAD

TITLE Test Button EventsTITLE

HEAD

BODY

FORM NAME="Form1"

INPUT TYPE="Button" NAME="Button1" VALUE="Click"

SCRIPT FOR="Button1" EVENT="onClick" LANGUAGE="VBScript"

MsgBox "Button Pressed!"

This coding example will display a button on Web Page. While you click on the button it would display a message box stating "Button Pressed".

Mostly code will appear in either Sub or Function process and will be called only while the code you have written causes that function to execute. Though, you can write VBScript code outside process, but still in a SCRIPT block. This code is executed only once, while the HTML page loads. This let you to initialize data or dynamically alter the look of your Web page when it loads.


Related Discussions:- Add Vbscript code to an html page

Introduction to gui design and file handling, INTRODUCTION TO GUI DESIGN AN...

INTRODUCTION TO GUI DESIGN AND FILE HANDLING   The aim of the user interface design is to attain the user's goals. When the user's goals are met, the user is satisfied and the

Do loops, You can employ Do...Loop statements to run a block of statements ...

You can employ Do...Loop statements to run a block of statements indefinite number of times. The statements are repeated either whilst a condition is True or till a condition becom

XML with database, write a XML with database with book details( book id, au...

write a XML with database with book details( book id, author ,subject, published year, vendor,price, language )

Imagelist, IMAGELIST The CImageList object is a collection of the same ...

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

Variable length strings, Variable Length Strings: The Strings can be de...

Variable Length Strings: The Strings can be declared using As or $ as shown in the code below; the msg and msg1 are the two strings and they are assigned the values using '='.

Retrieval methods - document in visual programming, Retrieval Methods: ...

Retrieval Methods: There are 3 ways to find a document. The primary method is a positional retrieval. This is achieved by keeping in mind where you left it. The next method is

Steps to create a rectangle in the client region, STEPS TO CREATE A RECTANG...

STEPS TO CREATE A RECTANGLE IN THE CLIENT REGION 1. Generate a SDI application and name it as a brush. 2. Handle the WM_LBUTTONDOWN message for the CBrushView object id.

Creation of the menu in visual basic, Creation of the Menu in VB 1. Ini...

Creation of the Menu in VB 1. Initiate a new project by choosing a file and then new project. 2. Now select the Standard EXE as the Project type. 3. Build the Form1 activ

Do while loop statement, Do While Loop Statement : The statements conta...

Do While Loop Statement : The statements contained by the do...while loop block executes till the condition given in the while is true. The working of do...loop is elaborate

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd