private void txt_buscar_TextChanged(object sender, EventArgs e)
{
var pago = new Clases.Pago();
if (txt_buscar.Text.Trim().Length > 0)
{
pago.BuscarPagoLike(dgv_pagos, txt_buscar.Text.Trim());
}
else
{
pago.ListarPagosDataGridView(dgv_pagos);
}
}