Character does not convert in C#

Question

I am converting a program to C# from VB.NET.  The last character of the field (from a DB) below does not come back correctly.  It has a tilde or something over the "E".

I have "BAULÉ" that does not get converted correct in C# but did in VB.NET.

I am using StreamWriter and tried Encoding and nothing seem to work.

Do you have any idea what to do?

Thanks,
arep