/// 
 /// ¼ì²âÊÇ·ñ²»´ø¶ñÒâ×Ö·û /// 
 ///  /// Èç¹û²ÎÊý´æÔÚ²»°²È«×Ö·û£¬Ôò·µ»Øtrue 
public static bool SqlFilter(string InText) { 
    string word = "and|exec|insert|select|delete|update|master|or|truncate|declare|."; 
    if (InText == null) return false; 
    foreach (string i in word.Split('|')) { 
        if ((InText.ToLower().IndexOf(i + " ") > -1) || (InText.ToLower().IndexOf(" " + i) > -1)) { 
            return true; 
        } 
    }
    return false; 
} 
/// 
 /// ±à¼­¿ò¹ýÂË /// 
 ///  ///  
public static string EditRegText(string text) { 
    if (!string.IsNullOrEmpty(text)) { 
        text = text.Replace("'", "¡¯"); 
    } 
    return text; 
} 
/// 
 /// ¹ýÂ˲¿·Ö²»°²È«×Ö·û /// 
 ///  ///  
public static string RegthisStr(string str) { 
    return str = str.Replace(".", "").Replace(""", "¡°").Replace("'", "¡®").Replace("<", "<").Replace(">", ">"); 
}