How to remove empty lines from a formatted string?

Question

How to remove empty lines in a string in C#? I am generating some text files in C# (winforms) and for some reason there are some empty lines. How can I remove them after the

Answer 1

private string remove_space(string st)
{
    String final = "";

    char[] b = new char[] { '\r', '\n' };
    String[] lines = st.Split(b, StringSplitOptions.RemoveEmptyEntries);
    foreach (String s in lines)
    {
        if (!String.IsNullOrWhiteSpace(s))
        {
            final += s;
            final += Environment.NewLine;
        }
    }

    return final;
}