Remove last specific character in a string c#

Question

I use WinForms c#.I have string value like below,

string Something = \"1,5,12,34,\";

I need to remove last comma in a string. So How can i

Answer 1

Dim psValue As String = "1,5,12,34,123,12"
psValue = psValue.Substring(0, psValue.LastIndexOf(","))

output:

1,5,12,34,123