private void btnLkpCondPagamento_Click(object sender, EventArgs e)
{
if (this.bdCondicaoDePagamento.ShowDialog() == DialogResult.OK)
{
cdp_cod.Text = Convert.ToString(sysPedidoCompraCondicaoDePagamento1.cdp_cod);
cdp_descr.Text = Convert.ToString(sysPedidoCompraCondicaoDePagamento1.cdp_descr);
}
}

But have a error :  The CurrentRow could not be evaluated because the CurrentRowIndex is out of range.  Business object record count: 0.  CurrentRowIndex: -1.

public System.Int32 cdp_cod
{
get
{
object loValue;
loValue = this.CurrentRow["cdp_cod"];
if (loValue == DBNull.Value)
{
return 0;
}
else
{
return (System.Int32)loValue;
}
}
set
{
this.CurrentRow["cdp_cod"] = value;
}
}