for (int i = 0; i <=50; i++)
{
Html html = new Html();
string htmlCode = html.GetHTML("http://ent.qq.com/c/gtxw_1.htm", "gb2312");
string pattern = @"(?i)<div[^>]*>[\s\S]*?src=""(?<pic>[^""]*)""\s*alt=""(?<title>[^""]*)"">[\s\S]*?<span\s*class=""date"">(?<date>[^<]*)</span>[\s\S]*?<div[^>]*>(?<all>[^<]*?)<";
}
你看我代码这一句该怎么写才能循环所有页呢