con = new SqlConnection("Server=(local);initial catalog=ServiceTax;Trusted_Connection=True");
con.Open();
string str = "select * from Service where Billno='" + textBox1.Text+ "'";
SqlCommand com = new SqlCommand(str, con);
SqlDataAdapter sqlda = new SqlDataAdapter(com);
DataSet ds = new DataSet();
sqlda.Fill(ds, "Service");
con.Close();
ReportDocument RptDoc = new ReportDocument();
HttpContext.Current.Server.MapPath("Reports/SReport.rpt");
RptDoc.SetDataSource(ds);
crystalReportViewer1.ReportSource = RptDoc;
crystalReportViewer1.RefreshReport();
In run mode i have one text box and Button in that button i type a partiuclar bill no that data to be displayed.when i type the particular bill no an dick that button Error Shows as Object Reference not set to an instance of object.
In this line HttpContext.Current.Server.MapPath("Reports/SReport.rpt"); [Object Reference not set to an instance of object]