错误处理问题

Question

HttpWebRequest request ;
HttpWebResponse response ;
byte[] buf = new byte[38192]; 
try
{
request = (HttpWebRequest)WebRequest.Create(textBox1.Text); 
response = (HttpWebResponse)request.GetResponse(); 
}
catch(Exception ep)
{
MessageBox.Show(ep.ToString());
return;
}                           //***
Stream resStream = response.GetResponseStream();
int count = resStream.Read(buf, 0, buf.Length); 
textBox2.Text = Encoding.Default.GetString(buf, 0, count); 
resStream.Close();

Answer 1

不好意思。。以为是在page中，楼上hbzx(^&^)正确,变量作用范围