Error while connecting to webservice URL using C# for sharepoint document library items

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MOSS2007

webservice

Hi Team,

I'm trying to connect webservice for SharePoint library attachments download purpose and I used the below piece of code.

But I got error like "Invalid URI: A port was expected because of there is a colon(':') present but the port could not be parsed."

WebService.Lists objLists = new WebService.Lists();

objLists.Credentials = System.Net.CredentialCache.DefaultCredentials; //here i got empty user and domain so i thought that because of this error may occur so i changed this line with this 

System.Net.NetworkCredentials userdetails=new System.Net.NetworkCredentials(username,pwd,domain);


objLists.Credentials = userdetails;

objLists.Url = "http://[SITENAME]:2009/_vti_bin/lists.asmx";

If any one having idea about this request you to kindly help me to resolve this issue.

What I have tried:

As per my Google experience because of User credentials the error may arise, so i thought that if we pass proper user details then it may work and I hard coded user details and tried but no luck.


and I noticed onething in error details like port required because of there is a colon(':'), but I pass the correct port and my URL format is like below

http://sitename:port/_vti_bin/lists.asmx

and one more thing I can able to access the service by hitting URL in browser.