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Stream not readable problem

hs
Hi

I got a 'stream not readable' exception. I'd appreciate if some one can tell
me how i can overcome this.

thanks
My Exception
--------------
An unhandled exception of type 'System.Web.Ser vices.Protocols .SoapException'
occurred in system.web.serv ices.dll

Additional information: System.Web.Serv ices.Protocols. SoapException: Server
was unable to process request. ---> System.Argument Exception: Stream was not
readable.
at System.IO.Strea mReader..ctor(S tream stream, Encoding encoding, Boolean
detectEncodingF romByteOrderMar ks, Int32 bufferSize)
at System.IO.Strea mReader..ctor(S tream stream)
at WebService1.Ser vice1.GetCompre ssedData() in
c:\inetpub\wwwr oot\webservice1 \service1.asmx. cs:line 114
--- End of inner exception stack trace ---

My code
---------
[WebMethod]
public string GetCompressedDa ta()
{
TextReader textreader;
DataSet ds = new DataSet();

// populate dataset
....

byte[] bytes = System.Text.Enc oding.UTF8.GetB ytes(ds.GetXml( ));

// compress using
using(MemoryStr eam sourcestream = new MemoryStream(by tes))
{
MemoryStream destinationStre am = new MemoryStream();
using (XceedCompresse dStream xcs =
new
XceedCompressed Stream(destinat ionStream))
{
byte[] buffer = new byte[ 32768 ];
int bytesRead = 0;

while( ( bytesRead = sourcestream.Re ad( buffer, 0, buffer.Length ) )
0 )

{
xcs.Write( buffer, 0, bytesRead );
}
}
textreader = new StreamReader(de stinationStream ); // **** line 114 ****
}
return textreader.Read ToEnd();
}
Jul 19 '05 #1
0 5936

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