Re: error on uploadDocument webmethod of "Writing Custom Web Servi

From: david (david_at_discussions.microsoft.com)
Date: 02/17/05 

Date: Thu, 17 Feb 2005 02:31:04 -0800

thanks, and sorry for the offtopic.

"Mike Walsh" wrote:

> This newsgroup is for CAML as used in SharePoint Team Services (2001).
>
> You need the newsgroup for WSS programming at
>
> microsoft.public.sharepoint.windowsservices.development
>
> Mike Walsh, Helsinki, Finland
> STS FAQ http://www.collutions.com/Lists/FAQ
> WSS FAQ http://wss.collutions.com
> please reply to the newsgroup only
>
> "david" <david@discussions.microsoft.com> wrote in message
> news:E30195A0-7E8D-486D-9378-F68A22F87AC6@microsoft.com...
> > Hello!
> > i'm trying to make a sharepoint web service to upload documents, and i've
> > seen the excellent "Writing Custom Web Services for SharePoint Products
> > and
> > Technologies"
> > (http://msdn.microsoft.com/library/default.asp?url=/library/en-us/odc_sp2003_ta/html/odc_writingcustomwebservicesforsppt.asp)
> > But i have a really strange problem with the example attached
> > (ODC_WritingCustomWebServicesSampleSPPT.EXE)
> > I've downloaded and installed it. I've added it to a winform application
> > and
> > then , when i developed a code snippet to upload a document and i'e tested
> > it, i've obtained this error:
> >
> > "the parameter cannot be null" (or something like this)
> > The fact is that my client method is:
> >
> > public static string uploadDocument(string strPath,string strDestination)
> > {
> > uploadService.SPFiles svcDocLib = null;
> > string result=null;
> > try
> > {
> > svcDocLib = new uploadService.SPFiles();
> > svcDocLib.Credentials = AuthGetAutheticationData();
> > svcDocLib.Url = SharePointHost + UploadServiceName;
> > string strFile = strPath.Substring(strPath.LastIndexOf("\\") + 1);
> >
> > FileStream fStream = new FileStream(strPath, System.IO.FileMode.Open);
> > byte[] binFile = new byte[(int)fStream.Length];
> > fStream.Read(binFile, 0, (int)fStream.Length);
> > fStream.Close();
> > result = svcDocLib.UploadDocument(strFile, binFile, strDestination);
> > }
> > catch (Exception e)
> > {
> > OnError("upload methods","uploadDocument Error",e.Message.ToString());
> > result ="NEXTEL ERROR:"+e.Message.ToString();
> > }
> > finally
> > {
> > if (svcDocLib!=null)
> > svcDocLib.Dispose();
> > }
> > return (result);
> > }
> >
> > i've tested that the parameters that receive svcDocLib.UploadDocument are
> > not null, but, when the webmethod on the server is invoked,the values, for
> > some reason of the first and the third params are null (strFile is
> > received
> > as null, binFile CORRECT, strDestination is received as null)
> >
> > this is the upload document webmethod. As you can see, i've debugging with
> > a
> > string variable and the value returned says that filename is null,
> > targetfolder is null, and the size of filecontents is the length of the
> > uploaded file in bytes, so this param is received ok.
> >
> >
> > [WebMethod]
> > public string UploadDocument(string fileName, byte[] fileContents, string
> > targetFolder)
> > {
> > string result ="Init"+'\n';
> > if (fileName=="")
> > result+= "filename Empty"+'\n';
> > if (fileName==null)
> > result+="filename Null"+'\n';
> >
> > if (targetFolder == "")
> > result+="targetFolder empty"+'\n';
> > if (targetFolder == null)
> > result+="targetFolder null"+'\n';
> > if (fileContents==null)
> > result+="fileContents null"+'\n';
> > else
> > result+="fileContents"+fileContents.Length.ToString()+'\n';
> >
> > result+="params:"+'\n'+"fileName:"+fileName+'\n'+"fileContents.Size="+(fileContents!=null).ToString()+"targetFolder:"+targetFolder+'\n';
> > if (fileContents == null)
> > {
> > result+= "Null Attachment"+'\n';
> > return result;
> > }
> > try
> > {
> > SPFolder folder = targetWebSite.GetFolder(targetFolder);
> > result+="folder!=null -->"+(folder!=null).ToString()+'\n';
> > SPFile newFile = folder.Files.Add(fileName, fileContents);
> > result+="newFile!=null -->"+(newFile!=null).ToString()+'\n';
> > return result+"\n"+newFile.Title + " created " +
> > newFile.TimeCreated.ToLongDateString();
> > }
> > catch (System.Exception ee)
> > {
> > result+= ee.Message + ee.Source + "::targetfolder="+targetFolder+'\n';
> > return result;
> > }
> > }
> >
> >
> > any ideas?
> > i'm really confused, this is really strange, isn't it?
> >
> > Thanks
> >
>
>
>

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