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HttpRequestBase.ValidateInput Method

Definition

When overridden in a derived class, causes validation to occur for the collections that are accessed through the Cookies, Form, and QueryString properties.

public:
 virtual void ValidateInput();
public virtual void ValidateInput ();
abstract member ValidateInput : unit -> unit
override this.ValidateInput : unit -> unit
Public Overridable Sub ValidateInput ()

Exceptions

Remarks

The HttpRequestBase class uses input validation flags to determine whether to perform validation on the request collections that are accessed through the Cookies, Form, and QueryString properties. The ValidateInput method sets these flags so that when the get accessors of the Cookies, Form, or QueryString properties are invoked, input validation is performed. Validation works by checking all input data against a hard-coded list of potentially dangerous data.

Applies to