Crystal Reports Need to develope a dll

Message

   Hi,

     I want to develope a dll with the below code using .net class library project. I am not able to get some references. What are the name spaces i have to use in class library. Especially i am using crystal report viewer and set its visibility to false because i dont want to open the report with viewer instead i want to export it to pdf.

   Please go thorugh the belwo code and respond me asap.

Thanks,
Raj

private void GenerateReport()

{
try

{
WriteError("Report Generation Started ......" + DateTime.Today.ToString("dd-mm-yy"));

Form1 form = new Form1();

form.Visible = false;

ConnectionInfo crConnectionInfo = new ConnectionInfo();

ReportDocument rd = new ReportDocument();

WriteError("1"); 

rd.Load(@"c:\Agreements.rpt");

WriteError("2");

crConnectionInfo.ServerName = "BG4WS0268";

crConnectionInfo.DatabaseName = "TestUMDB";

crConnectionInfo.IntegratedSecurity = true;

// crConnectionInfo.UserID = "spdev";

// crConnectionInfo.Password = "spdev";

crDatabase = rd.Database;
crTables = crDatabase.Tables;
WriteError("3");

//ParameterField f1 = CrystalReportViewer1.ParameterFieldInfo[0];

//ParameterDiscreteValue v1 = new ParameterDiscreteValue();

// ParameterValues pv = new ParameterValues();

for (int i = 0; i < crTables.Count; i++)

{
crTable = crTables;

crTableLogOnInfo = crTable.LogOnInfo;
crTableLogOnInfo.ConnectionInfo = crConnectionInfo;
crTable.ApplyLogOnInfo(crTableLogOnInfo);
crTable.Location = crConnectionInfo.DatabaseName + ".dbo." +

crTable.Location.Substring(crTable.Location.LastIndexOf(".") + 1);

}
WriteError("After FOR loop - 1");

crystalReportViewer1.ReportSource = rd;
WriteError("After FOR loop - 2");

crystalReportViewer1.Visible = false;

string Directtoy = @"c:\Reports";

string FileName = "Agreements" + DateTime.Today.ToString("dd-mm-yy") + ".pdf";

if (!Directory.Exists(Directtoy))

{
Directory.CreateDirectory(Directtoy);

}
WriteError("After IF statement - 1");

rd.ExportToDisk(ExportFormatType.PortableDocFormat, Directtoy + "/" + FileName);

WriteError("4");

form.Visible = false;

form.Width = 0;
form.Height = 0;
sendmail("Your Report has been created under below path. <br/> The Path is Directtoy" + " / " + FileName);

WriteError("Report Generated Succesfully and a Email has been sent on" + DateTime.Today.ToString("dd-mm-yy"));

this.Close();

}
catch (Exception ex)

{
WriteError(ex.Message);
sendmail(ex.Message);
}

}
private static void WriteError(string errorMessage)

{
try

{
string Directtoy = @"c:\Errors";

string FileName = DateTime.Today.ToString("dd-mm-yy") + ".txt";

if (!Directory.Exists(Directtoy))

{
Directory.CreateDirectory(Directtoy);

}
// File.Create(Directtoy+ "/" + FileName);

using (StreamWriter w = File.AppendText(Directtoy + "/" + FileName))

{
w.WriteLine("\r\nLog Entry : ");

w.WriteLine("{0}", DateTime.Now.ToString(CultureInfo.InvariantCulture));

string err = "Error in: Creating Report" +

". Error Message:" + errorMessage;

w.WriteLine(err);
w.WriteLine("__________________________");

w.Flush();
w.Close();
}
}
catch (Exception ex)

{
WriteError(ex.Message);

}
}
private void sendmail(string body)

{

System.Web.Mail.MailMessage message = new System.Web.Mail.MailMessage();

message.From = "yagnaraja.mj@sonata-software.com";

message.To = "yagnaraja.mj@sonata-software.com";

//message.To.Add(new MailAddress("sujitharaj.k@sonata-software.com"));

message.To = "ashwini.k@sonata-software.com";

// message.Cc = "mallikarjunarao.av@sonata-software.com";

message.Subject = "Report Generated Successfully";

message.Body = body;
message.BodyFormat = MailFormat.Html;

// System.Web.Mail.MailAttachment attach = new MailAttachment(@"c:\\Agreements.pdf");

// message.Attachments.Add(attach);

SmtpMail.SmtpServer = "NANDIMSG.SONATA.LOCAL";

SmtpMail.Send(message);

}