是否是字符编码与数据库不配备
我用如下方法已经正确提取网页的html代码

Public Function initialize(byval url_ as string) as string
Dim req As HttpWebRequest = CType(WebRequest.Create(url_), HttpWebRequest)
Dim res As HttpWebResponse = CType(req.GetResponse(), HttpWebResponse)
Dim reader As StreamReader = New StreamReader(res.GetResponseStream, Encoding.Default)
Dim htmlstr As String = reader.ReadToEnd
return htmlstr
End Function

获取的html代码可用msgbox函数显示,可是将其写入sqlserver数据库时提示错误,是否编码问题?如何解决?

[解决办法]
htmlstr.replace( " ' ", " ' ' ")

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http://www.cnblogs.com/feiyun0112/archive/2006/09/20/509783.html