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How to Build a Forms Validation Library
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How to Build a Forms Validation Library
http://www.15seconds.com/Issue/010508.htm
Developing HTML forms for entering or editing data on line is tedious and boring work. It is even more painful if you need a data-entry solution that supports both Netscape and Internet Explorer (IE). Thus most on-line forms have no JavaScript validation and barely any server validation.
ASP > Tips and Tutorials > Form Processing
Oct 10, 2006
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Other links at ASP > Tips and Tutorials > Form Processing
Often times checkboxes are used for selecting a group of items for a batch delete or some other mass action. For example, in web mail you can check all the messages you want to delete in one click of the delete button. The following function is handy for this task because it takes your checkbox fieldname and efficiently returns a string of comma separated values of your checked checkboxes. This string of values could then be appended to your SQL statement for a quick, one-statement delete
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Ah, forms. We all love them. And everyone knows how to use them (and if you don't, check out the related links at the end of this article). Well, we're here today to show you how to give your forms a little bit more power. By making your forms self-referencing, you can open up whole new areas of functionality with your web applications.
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The great advantage of ASP is possibility to respond to user queries or data submitted from HTML forms. You can process information gathered by an HTML form and use ASP code to make decisions based off this information to create dynamic web pages. In this tutorial we will show how to create an HTML form and process the data.
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A very important coding method to understand when developing ASP pages is the page that submits to itself. This technique is very powerful and can drastically reduce the number of files you have to maintain and the number of places in which you need to make changes when maintaining code. The concept is simple. Using forms, set the action value to the URL of the page in which the form resides. Then use ASP code to determine what the current state of the page is, and present the proper output to the user.
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Forms are great for collecting and handling data on your website. But how can you use ASP to make the most of your forms? Most webhosts provide standard scripts for form handling, but to make your site truly dynamic, it will not be long before you want forms to do something more than the average generic script offers.
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