private void gruposToolStripMenuItem_Click(object sender, EventArgs e)
{
frmDM_Canal o = new frmDM_Canal(null);
o.MdiParent = this;
o.Show();
}
private void btnGoCanal_Click(object sender, EventArgs e)
{
eCANAL o = new eCANAL();
o.CAN_codigo = this.cmbCanal.SelectedValue != null?this.cmbCanal.SelectedValue.ToString() : "";
frmDM_Canal o2 = new frmDM_Canal(o);
o2.MdiParent = this.MdiParent;
o2.Show();
}