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Namespace Test{
    public class clsTables {
        // constructor
        public clsTables(string col0, string col1, string col2) {
            this.Column0= col0;
            this.Column1= col1;
            this.Column2= col2;
        }

       // properties
       public string Column0{ get; set; }
       public string Column1{ get; set; }
       public string Column2{ get; set; }
    }
}

namespace Test{
    public class clsMain{
        public void BindToRepprtViewer() {        
            // create dataset
            DataSet ds = new DataSet("myDataset");

            // create datatable
            DataTable dt = new DataTable("myDatatable");

            // add columns
            dt.Columns.Add("column1", typeof(string));
            dt.Columns.Add("column2", typeof(string));
            dt.Columns.Add("column3", typeof(string));

            // insert data rows
            dt.Rows.Add("row1-col1", "row1-col2", "row1-col3");
            dt.Rows.Add("row2-col1", "row2-col2", "row2-col3");

            // add datatable to dataset 
            ds.Tables.Add(dt);

            // save rows to rowList 
            List<clsTables> rowList = new List<clsTables>();
            rowList .Clear();
            foreach (DataRow row in dt.Rows) {
                rList.Add(new clsTables(Convert.ToInt32(row.ItemArray[0]), row.ItemArray[1].ToString(), row.ItemArray[2].ToString()));
            }

            // binding rowList to bs
            BindingSource bs = new BindingSource();
            bs.DataSource = rowList;

            // binding bs to rds
            ReportDataSource rds = new ReportDataSource();
            rds.Name = "dsBody";
            rds.Value = bs;

            // binding rds to report viewer
            reportViewer1.Reset();
            reportViewer1.LocalReport.ReportEmbeddedResource =  "Test.Report1.rdlc";
            reportViewer1.LocalReport.DataSources.Clear();
            reportViewer1.LocalReport.DataSources.Add(rds);
            reportViewer1.RefreshReport();
        }
    }
}