c# - Error: Unable to evaluate expression because the code is optimized -

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i getting error in asp.net app reads

"unable evaluate expression because code optimized or native frame on top of call stack." 

protected void btncustomerprofile_click(object sender, eventargs e) {     try     {         server.transfer("customerprofile.aspx");     }     catch (exception ex)     {         response.write(ex.tostring());     }         { } }

after searching so, see of similar posts involve response.redirect. code using server.transfer , application using master pages.

how can resolve issue?

update: reason, error occurs use response.redirect well. unfortunately cannot use server.execute, because server.execute calls calling page towards end.

you error, code block below trap , can on life.

try this: 

using system.threading.threadabortexception;  catch(threadabortexception ex) {     throw; }

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