RDLC Report

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using Microsoft.Reporting.WebForms;
using System.Configuration;
using System.Data.SqlClient;
using System.Data;
namespace RDLCTEST
{
    public partial class WebForm1 : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {

            if (!IsPostBack)
            {
                ReportViewer1.ProcessingMode = ProcessingMode.Local;
                ReportViewer1.LocalReport.ReportPath = Server.MapPath("~/Report1.rdlc");
                DataSet1 ds = GetData("select  * from  Employee");
                ReportDataSource datasource = new ReportDataSource("DataSet1", ds.Tables[0]);
                ReportViewer1.LocalReport.DataSources.Clear();
                ReportViewer1.LocalReport.DataSources.Add(datasource);


           
           
            }
        }

        private DataSet1 GetData(string qury)
        {
            string cn = ConfigurationManager.ConnectionStrings["RDLCConnectionString"].ConnectionString;
            SqlCommand cmd = new SqlCommand(qury);
            SqlConnection con = new SqlConnection(cn);
            SqlDataAdapter da = new SqlDataAdapter();
            cmd.Connection = con;
            da.SelectCommand = cmd;
            DataSet1 ds = new DataSet1();
            da.Fill(ds, "Employee");
            return ds;

       
        }

        protected void Button1_Click(object sender, EventArgs e)
        {
            ReportViewer1.ProcessingMode = ProcessingMode.Local;
            ReportViewer1.LocalReport.ReportPath = Server.MapPath("~/Report1.rdlc");
            DataSet1 ds = GetData("select * from  Employee where Name='"+TextBox1.Text+"' ");
            ReportDataSource datasource = new ReportDataSource("DataSet1", ds.Tables[0]);
            ReportViewer1.LocalReport.DataSources.Clear();
            ReportViewer1.LocalReport.DataSources.Add(datasource);


        }
    }
}