private static bool EnsureAlphanumeric( string _Name )
{
for ( int CharIndex=0; CharIndex < _Name.Length; CharIndex++ )
{
char C = _Name[CharIndex];
bool IsAlpha = false;
IsAlpha |= C >= 'a' && C <= 'z';
IsAlpha |= C >= 'A' && C <= 'Z';
IsAlpha |= C >= '0' && C <= '9';
IsAlpha |= C == '_';
if ( !IsAlpha )
return false;
}
return true;
}