void BeginAddMode()
{
ViewState.Remove(CMSViewStateManager.TaxID);
pnlTaxItem.Visible = true;
txtRate.Text = string.Empty;
cbIsEnabled.Checked = false;
btnSave.Visible = true;
btnUpdate.Visible = false;
pnlTaxItem.Visible = true;
pnlTaxItem.DefaultButton = btnSave.ID;
}
#endregion