About the overload of the PAGE class and the design view cannot be opened

hdifilwyw

consult
I rewritten the PAGE class, and when I created a new page class, inherited the qualified overloaded PAGE class, but this way, the design view of this page class could not be opened, prompting that when creating the overloaded class, Exception, although this does not affect compilation, it feels very inconvenient. Is there any way to solve it?

shenmue024

try
:
Put the parent class of this page in another project and reference the dll.

hdifilwyw

I did it this way, but I still ca n’t open it

shenmue024

I have encountered this situation before.

shenmue024

It mainly appears when the project has just been opened and has not been compiled. Compiling once is sufficient.

hdifilwyw

Can you elaborate?
I tried everything, but I still ca n’t open it

shenmue024

Compile the project once and close the window. Reopening the design view of the file will not prompt that the class failed to load ...

But the next time you open the project, this will still be the case.

hdifilwyw

Useless, unless you change the class name to page

saintfrosty

Is there any specific exception information?

hdifilwyw

No
Is that the design view cannot be opened
Compile and run without problems