/// <summary>
/// This eventhandler handles the OnServerValidate event fired from the "DupeValidator" object.
/// It checks the text input into the txtName control and determines if a group by that name already exists
/// </summary>
/// <param name="source">The object that fired this event</param>
/// <param name="args">ServerValidateEventArgs passed to the eventhandler</param>
protected void CheckForDuplicateGroupName(object source, ServerValidateEventArgs args)
{
if (string.IsNullOrWhiteSpace(txtName.Text))
{
args.IsValid = true;
}
else
{
var grouping = new Grouping(_environmentParametersViewModel);
args.IsValid = !grouping.GetDuplicateExists(txtName.Text);
}
}
