Question :: How do to move and sum data in datagridview ?

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 System.Data.SqlClient;
namespace
{
    public partial class Form2 : Form
    {
        SqlConnection con = new SqlConnection(@"server = HOME-SAT/SQLEXPRESS;data source = .; initial catalog = test; user id=sa;pwd =pintu ;integrated security = SSPI");
        SqlCommand com;
        SqlDataAdapter sqlda;
        DataSet ds;
        string str;
        public Form2()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            con.Open();
            str = "select  distinct Name,sum(Money)as Money from emp group by Name";
            com = new SqlCommand(str, con);
            sqlda = new SqlDataAdapter(com);
            ds = new DataSet();
            sqlda.Fill(ds, "emp");
            dataGridView2.DataMember = "emp";
            dataGridView2.DataSource = ds;
            con.Close();
        }

        private void Form2_Load(object sender, EventArgs e)
        {
            con.Open();
            str = "select * from emp";
            com = new SqlCommand(str, con);
            sqlda = new SqlDataAdapter(com);
            ds = new DataSet();
            sqlda.Fill(ds, "emp");
            dataGridView1.DataMember = "emp";
            dataGridView1.DataSource = ds;
            con.Close();
        }
    }
}