private void CampaignDonorsItems_VisibleChanged(object sender, EventArgs e)
{
if (CampaignDonorsItems.Visible)
{
DataTable donor = cms.GetTable(@"SELECT Name_, SSN, Campaign_ID
FROM Donate_to, Donor, Person
WHERE Person.SSN = Donor.Donor_SSN AND Donate_to.Donor_SSN = Donor.Donor_SSN", TableType.CustomQuery);
DataTable item = cms.GetTable(@"SELECT Name_, Campaign_ID
FROM Donate_to, Item
WHERE Item.Name_ = Donate_to.ItemName AND Item.MainName = Donate_to.ItemMainName and Item.SubName = Donate_to.ItemSubName", TableType.CustomQuery);
dataSet.Tables.Add(cms.GetTable("Campaign"));
dataSet.Tables.Add(donor);
dataSet.Tables.Add(item);
dataSet.Relations.Add(new DataRelation("CampaignDonor",
dataSet.Tables["Campaign"].Columns["ID_"], donor.Columns["Campaign_ID"]));
dataSet.Relations.Add(new DataRelation("CampaignItem",
dataSet.Tables["Campaign"].Columns["ID_"], item.Columns["Campaign_ID"]));
CampaignTable.DataSource = new BindingSource(dataSet, "Campaign");
DonorsTable.DataSource = new BindingSource(CampaignTable.DataSource, "CampaignDonor");
ItemsTable.DataSource = new BindingSource(CampaignTable.DataSource, "CampaignItem");
}
}