How to check File exists in Web Share C#
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- try
- {
- WebRequest request = HttpWebRequest.Create("http://www.microsoft.com/NonExistantFile.aspx");
- request.Method = "HEAD"; // Just get the document headers, not the data.
- request.Credentials = System.Net.CredentialCache.DefaultCredentials;
- // This may throw a WebException:
- using (HttpWebResponse response = (HttpWebResponse)request.GetResponse())
- {
- if (response.StatusCode == HttpStatusCode.OK)
- {
- // If no exception was thrown until now, the file exists and we
- // are allowed to read it.
- MessageBox.Show("The file exists!");
- }
- else
- {
- // Some other HTTP response - probably not good.
- // Check its StatusCode and handle it.
- }
- }
- }
- catch (WebException ex)
- {
- // Cast the WebResponse so we can check the StatusCode property
- HttpWebResponse webResponse = (HttpWebResponse)ex.Response;
- // Determine the cause of the exception, was it 404?
- if (webResponse.StatusCode == HttpStatusCode.NotFound)
- {
- MessageBox.Show("The file does not exist!");
- }
- else
- {
- // Handle differently...
- MessageBox.Show(ex.Message);
- }
- }
i try this above but excpection is thrown while excuting the following Code
using (HttpWebResponse response = (HttpWebResponse)request.GetResponse())
please Help me
Thanks in Advance
With Regards,
Mani