how to set row header and column header in datagridview

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C#

C#4.0

Hello friends

the following is my code for binding datatable value to datagridview and in that i have two datatable value 1.period and 2.result. and based on the column and row of these datatble count value i have created the datatable. but i want to set the datagridview column header text from period table and row header text from result datatable. my code is below and i can only able to set the columnName using datatable columnnam property.

period table value is

PeriodNo	StartTime	EndTime
1	        09:00	          10:00
2	        10:01	          11:00
3	        11:10	          12:10
4	        12:11	          01:10
5	        02:01	          03:00
6	        03:01	          04:00
L	        01:11	          02:00

and result table value is

Working_date	working_day
2013-04-22	Monday
2013-04-23	Tuesday
2013-04-25	Thursday
2013-04-26	Friday

and my code is

DataTable result= userdao.getdateanddayfortimetable1(comp);
          DataTable  period = userdao.getperiodfortimetable();
          int periodcount = period.Rows.Count;
          int daycount = result.Rows.Count;
          DataTable dt = new DataTable();
          for (int i = 0; i < periodcount; i++)
          {
              dt.Columns.Add();
          }
          for (int j = 0; j < daycount; j++)
          {
              dt.Rows.Add();
          }
          //System.Windows.Forms.DataGridView grid = new System.Windows.Forms.DataGridView();
          PLayer.GenerateTimetable gt = new PLayer.GenerateTimetable();
         // gt.dataGridView1.DataSource = dt;

          for (int k = 0; k < periodcount; k++)
          {
             //gt.dataGridView1.Columns[k].HeaderText
              dt.Columns[k].ColumnName= period.Rows[k]["PeriodNo"].ToString()+"(" + period.Rows[k]["StartTime"].ToString() +"-"+ period.Rows[k]["EndTime"].ToString() + ")";
          }
          gt.dataGridView1.DataSource = dt;
          for (int m = 0; m < daycount; m++)
          {
              gt.dataGridView1.Rows[m].HeaderCell.Value = result.Rows[m]["Working_day"].ToString();

          }