Detail view of gridview record On textboxes

private void MSGrid_DblClick(object sender, EventArgs e)
{
try
{
if (MSGrid.get_TextMatrix(MSGrid.Row, 1) != "")
{
OleDbConnection con = new OleDbConnection(Path);
OleDbDataAdapter da = new OleDbDataAdapter("select * from Itemmast where icode=" + MSGrid.get_TextMatrix(MSGrid.Row, 1) + "", con);
DataSet ds = new DataSet();
da.Fill(ds, "Itemmast");
DataTable dt = ds.Tables["Itemmast"];
if (dt.Rows.Count > 0)
{
foreach (DataRow dr in dt.Rows)
{

this.Itemstab.SelectedIndex = 1;
txtICode.Text = dr["ICode"].ToString();


txtIName.Text = dr["IName"].ToString();
txtRate.Text = dr["Rate"].ToString();
double st1 = double.Parse(dr["opbal"].ToString());
if (CheckDecimal(st1) == false)
txtOBal.Text = st1.ToString("0");
else
txtOBal.Text = st1.ToString();


txtUOM.Text = dr["uom"].ToString();
st1 = double.Parse(dr["AvlQty"].ToString());
if (CheckDecimal(st1) == false)
txtAqty.Text = st1.ToString("0");
else
txtAqty.Text = st1.ToString();

CmbTax.Text = dr["TaxType"].ToString();
txttax.Text = dr["Tax"].ToString();


}
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}

i have Done Msflex grid In same Way u can do for datagrid by getting Row index value