过滤SQL非法字符串

/// <summary>
/// 过滤SQL非法字符串
/// </summary>
/// <param name="value"></param>
/// <returns></returns>
public static string Filter(string value)
{
if (string.IsNullOrEmpty(value))
return string.Empty;
value = Regex.Replace(value, @";", string.Empty);
value = Regex.Replace(value, @"'", string.Empty);
value = Regex.Replace(value, @"&", string.Empty);
value = Regex.Replace(value, @"%20", string.Empty);
value = Regex.Replace(value, @"--", string.Empty);
value = Regex.Replace(value, @"==", string.Empty);
value = Regex.Replace(value, @"<", string.Empty);
value = Regex.Replace(value, @">", string.Empty);
value = Regex.Replace(value, @"%", string.Empty);
return value;
}