i have 1 error .............................................

Question

hi friends how to solve this problem.

e is a define age so i give decimal but 1 error is dish play so how solve

 

Severity Code Description Project File Line Suppression State

Error CS0136 A local or parameter named 'e' cannot be declared in this scope because that name is used in an enclosing local scope to define a local or parameter bmi C:\Users\user\Documents\Visual Studio 2015\Projects\bmi\bmi\Form1.cs 32 Active