microsoft.public.dotnet.framework

John Saunders [MVP]

1/23/2008 1:06:00 AM

"MWT" <MWT@discussions.microsoft.com> wrote in message
news:388BFB94-1978-4D87-AF81-C0620ABAE657@microsoft.com...
> Serialize dataset:
>
> MemoryStream stream = new MemoryStream();
> dataset.WriteXml(stream, XmlWriteMode.DiffGram );
> stream.Seek(0, SeekOrigin.Begin);
> StreamReader sr = new StreamReader(stream);
> datasetstring = sr.ReadToEnd();
>
> this is the datastring:
>
> "<diffgr:diffgram xmlns:msdata=\"urn:schemas-microsoft-com:xml-msdata\"
> xmlns:diffgr=\"urn:schemas-microsoft-com:xml-diffgram-v1\">\r\n
> <NewDataSet>\r\n <Table1 diffgr:id=\"Table11\" msdata:rowOrder=\"0\"
> diffgr:hasChanges=\"modified\">\r\n <ID>1</ID>\r\n
> <NUMMER>1001</NUMMER>\r\n <ACHTERNAAM>Changed</ACHTERNAAM>\r\n
> </Table1>\r\n </NewDataSet>\r\n <diffgr:before>\r\n <Table1
> diffgr:id=\"Table11\" msdata:rowOrder=\"0\">\r\n <ID>1</ID>\r\n
> <NUMMER>1001</NUMMER>\r\n <ACHTERNAAM>BlaBla</ACHTERNAAM>\r\n
> </Table1>\r\n </diffgr:before>\r\n</diffgr:diffgram>"
>
> Now deserialize:
> //--deserialize
> StringReader stringReader = new
> StringReader(datasetstring);
> DataSet ds = new DataSet();
> ds.ReadXml(stringReader,XmlReadMode.DiffGram );
>
> Now dataset ds is empty, what am I doing wrong ?
> I use VS2008
>

Have you tried to do ds.AcceptChanges()? See
http://msdn2.microsoft.com/en-us/library/55h....
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John Saunders | MVP - Windows Server System - Connected System Developer