public static byte[] DatasetToXML(DataSet DS)
{
using (MemoryStream memstream = new MemoryStream())
{
string InFile = null;
string OutFile = null;
try
{
if (ConfigurationManager.AppSettings["CompressDatasets"] == "1")
{
InFile = Path.GetTempFileName();
OutFile = Path.GetTempFileName();
DS.WriteXml(InFile, XmlWriteMode.WriteSchema);
CompressionUtils.CompressFile(InFile, OutFile);
using (FileStream filestream = new FileStream(OutFile, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
{
try
{
byte[] buffer = Encoding.Default.GetBytes(CompressionUtils.COMPRESSION_SIGNATURE);
memstream.Write(buffer, 0, buffer.Length);
buffer = new byte[filestream.Length];
filestream.Read(buffer, 0, buffer.Length);
memstream.Write(buffer, 0, buffer.Length);
}
finally
{
filestream.Close();
}
}
}
else
{
DS.WriteXml(memstream, XmlWriteMode.WriteSchema);
}
}
finally
{
memstream.Close();
try
{
if (!String.IsNullOrEmpty(InFile))
{
File.Delete(InFile);
}
} catch {}
try
{
if (!String.IsNullOrEmpty(OutFile))
{
File.Delete(OutFile);
}
} catch {}
}
return(memstream.ToArray());
}
}
public static byte[] StringToXML(string s)
{
byte [] result;
if (ConfigurationManager.AppSettings["CompressDatasets"] == "1")
{
// El sistema está configurado para utilizar compresión
string InFile = null;
string OutFile = null;
try
{
InFile = Path.GetTempFileName();
OutFile = Path.GetTempFileName();
using (StreamWriter streamwriter = new StreamWriter(InFile))
{
try
{
streamwriter.Write(s);
}
finally
{
streamwriter.Close();
}
}
CompressionUtils.CompressFile(InFile, OutFile);
List <byte> list = new List <byte>();
list.AddRange(Encoding.Default.GetBytes(CompressionUtils.COMPRESSION_SIGNATURE));
using (FileStream filestream = new FileStream(OutFile, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
{
try
{
byte[] buffer = new byte[filestream.Length];
filestream.Read(buffer, 0, buffer.Length);
list.AddRange(buffer);
}
finally
{
filestream.Close();
}
}
result = list.ToArray();
}
finally
{
try
{
if (!String.IsNullOrEmpty(InFile))
{
File.Delete(InFile);
}
} catch {}
try
{
if (!String.IsNullOrEmpty(OutFile))
{
File.Delete(OutFile);
}
} catch {}
}
}
else
{
result = Encoding.Default.GetBytes(s);
}
return(result);
}
