public static string RemoveControlCharacters(string inString)
{
if (inString == null) return null;
StringBuilder newString = new StringBuilder();
char ch;
for (int i = 0; i < inString.Length; i++)
{
ch = inString[i];
if (!char.IsControl(ch))
{
newString.Append(ch);
}
}
return newString.ToString();
}