Question: Hello, I need help with the C# problem addressed in this post. http://www.chegg.com/homework-help/questions-and-answers/please-help-write-code-calculate-don-t-know-way-calculation-doesn-t-give-formula-calculati-q13376095 When I go to debug it, I get the error message An

Hello,

I need help with the C# problem addressed in this post. http://www.chegg.com/homework-help/questions-and-answers/please-help-write-code-calculate-don-t-know-way-calculation-doesn-t-give-formula-calculati-q13376095 When I go to debug it, I get the error message

"An unhandled exception of type 'System.InvalidCastException' occurred in mscorlib.dll

Additional information: Unable to cast object of type 'System.Windows.Forms.TextBox' to type 'System.IConvertible'."

I need help in writing the code to handle this exception.

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