how to put check box inside datagrid

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.NET3.5

.NET

Hi Friends,

I have one requirement. I want to put a checkbox in a datagrid, not in datagridview.

I created datagrid table like below.
please give me any idea.

    DataTable dt = new DataTable("MyDataTable");
    //Create columns and add to DataTable;
    DataColumn dcID = new DataColumn("R_NAME");
    dt.Columns.Add(dcID); //ID column created and add to DataTable
    DataColumn dcSomeText = new DataColumn("R_Check");
    dt.Columns.Add(dcSomeText); //LastName column created and add to DataTable
    //Now Add some data to the DataTable
    DataRow dr;
    string[] str11 =new string[ ds.Tables[0].Rows.Count-1];

    for (int i = 0; i <= str11.Length; i++)
    {
        dr = dt.NewRow();
        //str11[0] = ds.Tables[0].Rows[i][1].ToString();

        dr["R_NAME"] = ds.Tables[0].Rows[i][1].ToString();
        dr["R_Check"] = ds.Tables[0].Rows[i][2].ToString() + i;

        dt.Rows.Add(dr);

    }
    return dt;
}

please modify and send me the solution.

Thanks
Venkat.S