I have a string read from a textbox. It contains a comma for decimal separation.
I have NumberFormatInfo.CurrencyDecimalSeparator set to ,
NumberFormatInfo.CurrencyDecimalSeparator
,
You are viewing your decimal or double values in Visual Studio. That doesn't respect the culture settings you have on your code.
Change the Region and Language settings on your Control Panel if you want to see decimal and double values having the comma as the decimal separator.
decimal
double