How Do I Obtain The Data From Two Tables By Passing A Parameter In Crystal Reports

See more:

C#

Windows

CrystalReports

In C# windows application I tried to obtain the data on my crystal report from two tables but unfortunately it doesn't shows the record to me I design my report to show vouchers data as I type the voucher code in a text box and click on view report then I don't get any result

Here is my code to load the data from two tables

OleDbConnection con = new OleDbConnection(ConfigurationManager.ConnectionStrings["ConString"].ToString());
        OleDbCommand com;
        OleDbDataAdapter adp = new OleDbDataAdapter();
        DataSet ds = new DataSet();

        public Form1()
        {
            InitializeComponent();
        }
        private void btn_view_Click(object sender, EventArgs e)
        {
            if (txt_vc_code.Text == "")
            {
                MessageBox.Show("Enter Voucher Code");
            }
            else
            {
                //ds.Tables[0].Rows.Clear();
                //ds.Tables["payment_voucher,Branch_Master"].Rows.Clear();
                adp = new OleDbDataAdapter("select p.*,b.* from payment_voucher as p inner join Branch_Master as b on b.branch_code =p.branch_code where p.voucher_code='" + txt_vc_code.Text + "'", con);
                DataSet ds2 = new DataSet();
                adp.Fill(ds2, "payment_voucher,Branch_Master");
                ReportDocument rd = new ReportDocument();
                rd.Load("E:\\Vertex_app\\VertexApp\\VertexApp\\Payment_Voucher_rpt.rpt");
                rd.SetDataSource(ds.Tables["payment_voucher,Branch_Master"]);
                crystalReportViewer1.ReportSource = rd;
            }
        }
        private void Form1_Load(object sender, EventArgs e)        {
            CrystalAddData();
        }
        public void CrystalAddData()
        {
            adp = new OleDbDataAdapter("select p.*,b.* from payment_voucher as p inner join Branch_Master as b on b.branch_code =p.branch_code", con);
            adp.Fill(ds);
            ReportDocument rd = new ReportDocument();
            rd.Load("E:\\Vertex_app\\VertexApp\\VertexApp\\Payment_Voucher_rpt.rpt");
            rd.SetDataSource(ds.Tables["payment_voucher,Branch_Master"]);
            crystalReportViewer1.ReportSource = rd;
        }

Please help me to find and solve this error Thanks in advance to you all