The Art of SQL Server FILESTREAM - Red Gate Software

Chapter 5: FILESTREAM with ASP.NET and Silverlight// Start transferring data from the FILESTREAM data fileResponse.BufferOutput = false;Response.ContentType = "image/jpeg";BinaryWriter bw = new BinaryWriter(Response.OutputStream);const int bufferSize = 4096;byte[] buffer = new byte[bufferSize];int byteCount = fs.Read(buffer, 0, bufferSize);while (byteCount == bufferSize){bw.Write(buffer, 0, byteCount);byteCount = fs.Read(buffer, 0, bufferSize);}}//Close the filesResponse.End();bw.Close();fs.Close();}catch (Exception ex){//do some error handling}finally{// Commit the transaction and close the connectioncmd.Transaction.Commit();cn.Close();}Listing 5-11:Code to serve images stored in a FILESTREAM column.What is interesting and worth noticing here is how we are sending the data back to theweb server. We do this through the ASP.NET Response object. We first set the contenttype to image/jpeg to tell the browser that we are sending back an image. Then weaccess the OutputStream property of the Response object and write the content of theFILESTREAM file into it (Listing 5-12).192