The server receives the incoming data from the browser and validates that data based on the validation rules that are defined in <product_code>.xml file. The <product_code>.xml file must be located within the resources folder of the application.

Currently, Canvas supports validation for the following data types:

Alphabets (a-z)
Alphanumeric (a-z and 0-9)
Uppercase alphanumeric (A-Z and 0-9)
Uppercase alphabets (A-Z)
Numeric
Integer
Date
Double
Big decimal
Date

For implementing server-side validation, read the following:

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