c# - "FormatException was unhandled" Input string was not in a correct format -

There is an error in my website and trying to solve it: error "format exception was unchecked" Both works for date with time as well as string and integer.

Please see the details and the code

thanks

Previous> Return Convert.Change Type (IsThisObjectNull, DataTypeCode);

The conversion is probably unsuccessful due to incompatible types. You may have to debug and check.