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Cold Fusion offers several different types of data input validation.
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Client-side - In a CFFORM, you can specify a JavaScript program in the ONVALIDATE attribute of tags like CFINPUT, CFGRID, CFSLIDER, CFTEXTINPUT, and CFTREE to perform input validation.
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Server-side - In a CFFORM, you can enable validation in tags that support input validation (like CFINPUT and CFTEXTINPUT) using the VALIDATE attribute.
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You can also use hidden fields in HTML forms to require user entries and to validate several common data types.
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