Outstanding response Cerebrus! Exactly what I was looking for. Thank you!
Ryan On Mar 20, 2:20 am, Cerebrus <[email protected]> wrote: > My advice: > > 1. Create schema files for each type of response XML that you receive > from the Service methods. When you get a response, validate the XML > against the Schema to determine if it matches expected format/content. > I would consider this as first level input validation the way you > would validate the Model in an MVC scenario. > > 2. Next, create a library of functions (the example you provide is > simplistic but in the right direction) whose sole job is to validate > if a passed parameter is valid according to an optionally passed type. > Now this could turn out to be a time consuming task as there could be > an almost infinite number of validations that you wish to apply. (It's > easy to go overboard with validation, trust me!) You might find it > worthwhile to check out the M$ Validation Application Block (part of > the Enterprise Library -http://msdn.microsoft.com/en-us/library/dd203099.aspx) > for this purpose. This validation library should be called from the > property setters within your DTO. > > 3. If your DTO's reach the database at some later stage, you should > also implement constraint based validation in the database. > > IMHO, it's best to validate in all layers. However, the intensity of > validation should differ and be strongest in the BLL. > > On Mar 19, 9:48 am, rbr <[email protected]> wrote: > > > > > Hello, > > > I am looking for a solution for data validation other than forms > > validation. I am consuming a number of web services and then map the > > XML messages to a DTO. I would like to create a data validation > > library that will work across the services. I envision static > > functions like the following: > > > IsValidString(string) - not empty, not sqlinjection/cross-site, etc. > > > IsAlpha(string) - Only contains alpha characters > > > IsNumeric(string) - Only contains numeric characters > > > IsValidEnum(string, enum) - value is within given enum > > > Etc, etc. I have tried to find good examples of best practices for > > this kind of validation online. however, all I seem to find are > > examples for forms validation. I was hoping for a P & P article or > > Application block but could not find either. > > > If anybody has any advice or knows of any good articles I would > > greatly appreciate it. > > > Thanks in advance! > > > Ryan- Hide quoted text - > > - Show quoted text -
