public static bool ValidateControl(Control.ControlCollection controls, Form1 frm)
{
foreach (Control cntr in controls)
{
if (cntr.HasChildren)
{
if (!ValidateControl(cntr.Controls, frm))
{
break;
}
}
else
{
cntr.Focus();
if (!frm.Validate())
{
return true;
}
}
}
return false;
}