problem with custom validator

[Dave Bailey via DotNetMonster.com]

I am using a custom validator on a web form. I am using the following code:

private void CheckRom()
{
int to = int.Parse(romToText.Text);
int from = int.Parse(romFromText.Text);
if (romCheck.Checked == true && romFromText.Text != null && romToText !=
null)
{
if (to < from)
{
validateROM.ErrorMessage = "The TO amount must be Greater than the
FROM amount!";
validateROM.IsValid = true;

}
else
{
validateROM.IsValid = false;
}
}

However, when running the code, the validator never fires. Can anyone help
with the code to make this happen?

Thanks,

Dave

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