C#

[WebMethod(Description = "Creates a file. First string in the array is the path and second string is the data.")]
public string Update(string[] html)
{
    if (html.Length > 0)
    {
        try
        {
            string path = String.Format(@"{0}", html[0]);
            using (FileStream fs = new FileStream(path, FileMode.Create, FileAccess.Write))
            {
                using (StreamWriter sw = new StreamWriter(fs))
                {
                    sw.WriteLine(html[1], Encoding.ASCII);
                    sw.Close();
                }
                fs.Close();
                return "Updated situation report.";
            }
        }
        catch (Exception ex)
        {
            return "Error: " + ex.Message;
        }
    }
    else
        return "Incorrect parameter lengths.";
}