c# - Acessing a url from windows application

Question

Does anyone know how to acess a url from a windows application?.

I have an address http://serverport/Page.I want to acess this page from my windows application.

Regards, Harsh Suman

Answer 1

It's not clear what you want to do with the page.

If you want to display it on the form, you can use a WebBrowser control.

If you want to get the response and process it, use the System.Net.WebClient class.

Answer 2

如果要下载 HTML 或任何文件，可以使用 WebClient 类。

例子：

    /// <summary>
    /// Downloads a file from the given location
    /// </summary>
    /// <param name="url">Location of the file</param>
    /// <param name="dest">The destination of the downloaded file</param>
    /// <returns>False if there was an error, else True</returns>
    public bool DownLoad(string url, string dest)
    {
        WebClient client = new WebClient();
        try
        {
            //Downloads the file from the given url to the given destination                
            client.DownloadFile(url, dest);
            return true;
        }
        catch (WebException)
        {
            // Handle exception
            return false;
        }
        catch (System.Security.SecurityException)
        {
            // Handle exception
            return false;
        }
        catch (Exception)
        {
            // Handle exception
            return false;
        }
    }

Answer 3

我不确定你在问什么，所以我只是给出了另一种解释问题的方式的答案。

如果您只是想启动默认浏览器（显示本地或在线 html 手册等），在 Windows 中（在其他操作系统中可能类似），您可以使用某种“执行界面”来执行格式正确的 url作为命令，这通常会启动默认浏览器：

根据此页面，此代码应启动浏览器：

string targeturl= "http://stackoverflow.com";

try
    {
     System.Diagnostics.Process.Start(targeturl);
    }
catch
    ( 
     System.ComponentModel.Win32Exception noBrowser) 
    {
     if (noBrowser.ErrorCode==-2147467259)
      MessageBox.Show(noBrowser.Message);
    }
catch (System.Exception other)
    {
      MessageBox.Show(other.Message);
    }

（不过，错误代码的幻数看起来很丑陋……）