Is there anyway to check the validity of a query string before performing SQL data filtering. I mean my detailsview page is expecting a querystring with numeric values, however, if someone tries to send string or huge number or any invalid data the page will crush!! Even if you send a valid data of a record that doesn't exist anymore the page will still be accessible. I need to enable users to access that page only if there is data display, thanks in advance.
Checking validity of query string before performing SQL filtering of detailsview
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In the Page_Load event you check the query string with the
IsNumeric()function or any other pattern matching methods(Regex, etc...) and if it does not pass then Redirect to a diff page.