The ASPX page automatically generates a subclass of the current page class when running.

Suppose there is a webform1.aspx, which defines the class webform1.

However, the following code runs unexpectedly:


Private void page_load (Object sender, system. eventargs E)

{

Response. Write (object. referenceequals (this. GetType (), typeof (webform1). tostring (); // The output is false.

}

The original ASPX page will dynamically generate a derived class: Asp. webform1_aspx during running. The instance object at runtime is created from the derived class.

Therefore, if the code above is changed to the following, the output is true.


Private void page_load (Object sender, system. eventargs E)

{

Response. Write (object. referenceequals (this. GetType (). basetype, typeof (webform1). tostring (); // The output is true.

}