Index and count must refer to a location within the string. Parameter name: count

Question

i\'m getting mad with this error! The complete error is:

[ArgumentOutOfRangeException: Index and count must refer to a location within the string.
Parameter name         


        

Answer 1

You can't remove 13 characters from the string, containing less that 13; that is what error stated. What is the content of Usuario after the first assignemt?

    Usuario = Request.ServerVariables["LOGON_USER"];
    Usuario = Usuario.Remove(0, 13);