How to Make CrystalReport and Search Data in C# .NET

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using CrystalDecisions.CrystalReports.Engine;
using System.Data.OleDb;
using SakshiHospital;
namespace ClientManagementApp
{
   public partial class Cry_Report : Form
   {
      public Cry_Report()
      {
         InitializeComponent();
         // Cry_Report
         //
         this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
         this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
         this.ClientSize = new System.Drawing.Size(721, 439);
         this.Name = "Cry_Report";
         this.Text = "Cry_Report";
         this.Load += new System.EventHandler(this.Cry_Report_Load);
         this.ResumeLayout(false);
         //
                                //// CrystalDecisions.Windows.Forms.CrystalReportViewer crystalReportViewer1 = new CrystalDecisions.Windows.Forms.CrystalReportViewer();
         this.SuspendLayout();
      }
      private void Cry_Report_Load(object sender, EventArgs e)
      {
      }
      private void Cry_Report_Load_1(object sender, EventArgs e)
      {
         //reportViewer1.ProcessingMode = ProcessingMode.Local;
         //reportViewer1.LocalReport.ReportPath = @".\Report1.rdlc";
         ////Customers dsCustomers = GetData();
         ////ReportDataSource datasource = new ReportDataSource("Customers", dsCustomers.Tables[0]);
         //reportViewer1.LocalReport.DataSources.Clear();
         ////reportViewer1.LocalReport.DataSources.Add(datasource);
         //this.reportViewer1.RefreshReport();
      }
      private void btnshow_Click(object sender, EventArgs e)
      {
         try
         {
            // string bill_no = "B_00" + txtbillno.Text;
            DataSet ds = new DataSet();
                     // con = new OleDbConnection(ConfigurationManager.ConnectionStrings["connect"].ConnectionString);
            OleDbConnection con = new OleDbConnection("Provider=Microsoft.ACE.OLEDB.12.0;Data Source=ClientMgmtDb1.accdb;");
            con.Open();
            OleDbDataAdapter da = new OleDbDataAdapter();
            if (txtbillno.Text == "")
            {
               da = new OleDbDataAdapter("select ID,NAME,AMT,AMC_INC,AMC,AMOUNT_INWORDS,BILL_Number,NARAT,VAT,S_T,VAT_PAY,SERVICE_TAX,VAT_AMT,SERVICETAX_AMT,TOTAL_AMOUNT FROM tbl_ClientDetails where NAME='" + txtbillno.Text.Trim() + "'", con);
            }
            else
               da = new OleDbDataAdapter("select ID,NAME,AMT,AMC_INC,AMC,AMOUNT_INWORDS,BILL_Number,NARAT,VAT,S_T,VAT_PAY,SERVICE_TAX,VAT_AMT,SERVICETAX_AMT,TOTAL_AMOUNT FROM tbl_ClientDetails where BILL_Number='" + txtbillno.Text.Trim() + "'", con);
               // da = new OleDbDataAdapter("select Bill.Bill_no,Bill.opd_id ,Bill.paitient_name,Bill.SEX,Bill.age,Bill.gurdian_name,Bill.Contact_no,Bill.Date_admission,Bill.Date_Discharge,Bill.Dignosis_dr,Bill.Operation_dr,Bill.Adv_amount,Bill.total_amount,Bill_Details.particular,Bill.address,Bill_Details.value from Bill join Bill_Details on Bill.Bill_no=Bill_Details.Bill_no and Bill.Bill_no='" + bill_no + "'", con);
               da.Fill(ds, "Dataset1");
               CrystalReport1 cr = new CrystalReport1();
               // cr.SetParameterValue("BILL_Number", txtbillno.Text);
               cr.SetDataSource(ds.Tables[0]);
               this.crystalReportViewer1.ReportSource = cr;
               this.crystalReportViewer1.Show();
               con.Close();
         }
         catch (OleDbException s)
         {
            MessageBox.Show("Server Problem...");
         }
      }
      private void txtbillno_TextChanged(object sender, EventArgs e)
      {
         txtbillno.BackColor = System.Drawing.Color.Aqua;
      }
      private void txtbillno_KeyUp(object sender, KeyEventArgs e)
      {
      }
   }
}