//get the format and report item from the comboboxes
Format format = (Format)cboFormat.SelectedItem;
ReportItem reportItem = (ReportItem)cboReports.SelectedItem;
//set up variables needed to call render method
ParameterValue[] parameters = GetParameters();
string encoding;
string mimeType;
ParameterValue[] parametersUsed;
Warning[] warnings;
string[] streamIds;
//render the report
byte[] data;
data = _rs.Render(reportItem.Path, format.Name,
null, null, parameters, null, null, out encoding, out mimeType,
out parametersUsed, out warnings, out streamIds);
//create a file stream to write the output
string fileName = txtOutputLocation.Text + “\\” +
reportItem.Name + format.Extension;
System.IO.FileStream fs = new System.IO.FileStream(fileName, System.IO.FileMode
.OpenOrCreate);
System.IO.BinaryWriter writer = new System.IO.BinaryWriter(fs);
writer.Write(data,  0 , data.Length);
writer.Close();
fs.Close();
MessageBox.Show(“File written to: “ + fileName);

ReportingService rs = new ReportingService();
//set the credentials to be passed to Reporting Services
rs.Credentials = System.Net.CredentialCache.DefaultCredentials;
ParameterValue[] parameters = new ParameterValue[ 0 ];
string encoding;
string mimeType;
ParameterValue[] parametersUsed;
Warning[] warnings;
string[] streamIds;
//render the report
byte[] data;
data = rs.Render(path, format, null, null, parameters, null, null,
out encoding, out mimeType, out parametersUsed,
out warnings, out streamIds);
//determine if format is rendered to the web or a file.
string extension = GetExtension(mimeType);
string reportName = path.Substring(path.LastIndexOf(“/”) +  1 );
string fileName = reportName + “.” + extension;
//write the report back to the Response object
Response.Clear();
Response.ContentType = mimeType;
//add the file name to the response if it is not a web browser format.
if(mimeType!=”text/html”)
Response.AddHeader(“Content-Disposition”, “attachment; filename=” +
fileName);
Response.BinaryWrite(data);