updating cabinet door - Validating with jscript from database

However, client-side validation may not work in all instances.

A user may have a browser that doesn't support client-side scripting or may have scripting disabled in the browser.

Because the code is stored within the page or within a linked file, it is downloaded into the browser when a user accesses the page and, therefore, doesn't require a roundtrip to the server.

validating with jscript from database-55validating with jscript from database-6

In addition, this article assumes a general understanding of HTML and Java Script, although a thorough understanding is not required.

For more information about HTML and Web scripting, see one or more of the following references.

(16 printed pages) Introduction Getting Started Writing the Validation Script Connecting the Form to the Script Associating Form Fields with Custom Script Code Listing Conclusion When you create forms, providing form validation is useful to ensure that your customers enter valid and complete data.

For example, you may want to ensure that someone inserts a valid e-mail address into a text box, or perhaps you want to ensure that someone fills in certain fields.

Knowing the limits of client-side scripting helps you decide whether to use client-side form validation.

This article explains how to provide client-side validation for forms that you create either by hand or by using the form tools within Front Page.When referring to Java Script in general, this article uses the generally accepted term "Java Script." However, when referring to documentation on the Microsoft Developer Network (MSDN) Web site, this article uses the term "JScript." Note The previous code specifies an e-mail address for the Action attribute of the form property.For more information, see ACTION Attribute | action Property and form property.The validation script in this article returns a Boolean value that specifies whether the data contained in the form is valid. Variables are not required, but they make accessing each field easier.To create your own custom function, insert a SCRIPT element into the HEAD section of your form page; within the SCRIPT element, use the function statement to insert a function named Validate Contact Form. This code should look something like the following code sample. Starting script function To access the form fields within the code, you should create variables. For example, without a variable, you would have to type document. Name every time you needed to access the Name field.In order to access your form fields in code, you need to assign names to the form and each of the fields. For more information see, NAME Attribute | name Property.

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