It's not possible. Instead, you'd need to turn the two pages into controls, so they could both exist on one page, then viewstate will maintain the state of form1, even when it's not visible, and form2 is being shown.
Christian Graus - Microsoft MVP - C++ "I am working on a project that will convert a FORTRAN code to corresponding C++ code.I am not aware of FORTRAN syntax" ( spotted in the C++/CLI forum )