when i run the Load Report Failed.

Question

protected void Button5_Click(object sender, EventArgs e)

    {

        con = new SqlConnection("Server=(local);initial catalog=master;Trusted_Connection=True");

        con.Open();

        string str = "select * from Empdet where EmployeeID='" + DropDownList1.SelectedValue + "'";

        SqlCommand com = new SqlCommand(str, con);

        SqlDataAdapter sqlda = new SqlDataAdapter(com);

        DataSet ds = new DataSet();

        sqlda.Fill(ds, "Empdet");

        con.Close();

          ReportDocument r1 = new ReportDocument();

        //r1.Load("Full Path of Your Report\Employee.rpt");

          string  path = Server.MapPath("Reports/Employee.rpt");

          r1.Load(path);

          r1.SetDataSource(ds);

          CrystalReportViewer1.ReportSource = r1;

          CrystalReportViewer1.RefreshReport();

    }

When i run all the employee details are appear in the run mode.

Textbox    Button.

in textbox i type the partiuclar employee id and click the button the following error occurs as follows Load Report Failed.