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How can I export the crystal report to PDF directly?

Posted By:      Posted Date: August 27, 2010    Points: 0   Category :ASP.Net

I am developing web application using csharp on visual studio 2008.I am able to generate  reports, but I want just to export or generate reports in pdf only. How can I achieve this?
The code I am using is below. But it is not working. Please help

     myClass = new Dbcon();

        this.conn = new System.Data.OracleClient.OracleConnection();
        this.conn.ConnectionString = "user id=HRddd;data source=XE;password=cfvvv";
        //Database Connection
        ConnectionInfo ConnInfo = new ConnectionInfo();
            ConnInfo.ServerName = "";
            ConnInfo.DatabaseName = "XE";
            ConnInfo.UserID = "HRddd";
            ConnInfo.Password = "cfvvv";
        // For Each  Logon  parameters
        foreach (TableLogOnInfo cnInfo in this.CrystalReportViewer1.LogOnInfo)
            cnInfo.ConnectionInfo = ConnInfo;


        //CrystalReportViewer1.ReportSource = oRpt;
        if (bool.Parse(myClass.table_exists("COUNTVIEWDE", conn).ToString()) == true)
            myClass.DbNonQuery("DROP VIEW COUNTVIEWDE", conn);
         sql = "CREATE VIEW COUNTVIEWDE AS " +

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