//sql过滤关键字   public static bool CheckKeyWord(string sWord)    {       //过滤关键字        string StrKeyWord = @"select|insert|delete|from|count\(|drop table|update|truncate|asc\(|mid\(|char\(|xp_cmdshell|exec master|netlocalgroup administrators|:|net user|""|or|and";     //过滤关键字符     string StrRegex = @"[-|;|,|/|\(|\)|\[|\]|}|{|%|\@|*|!|‘]";        if (Regex.IsMatch(sWord, StrKeyWord, RegexOptions.IgnoreCase) || Regex.IsMatch(sWord, StrRegex))            return true;        return false;    }