private void btnQuery_Click(object sender, EventArgs e)
{
QueryForm queryForm = new QueryForm();
DialogResult result = queryForm.ShowDialog();
if (result == DialogResult.OK)
{
if (queryForm.Condition == "" || queryForm.Condition == null)
{
orderBindingSource.DataSource = os.orders;
}
else
{
string condition = queryForm.Condition;
switch (queryForm.SelectedType)
{
case 0:
{
selectedOrders.Clear();
Order ret = os.InquireByID(Convert.ToInt32(condition));
if (ret != null)
{
selectedOrders.Add(ret);
}
break;
}
case 1:
{
List <Order> retList = os.InquireByCustomer(condition);
if (retList == null)
{
selectedOrders.Clear();
}
else
{
selectedOrders = retList;
}
break;
}
case 2:
{
List <Order> retList = os.InquireByCommodity(condition);
if (retList == null)
{
selectedOrders.Clear();
}
else
{
selectedOrders = retList;
}
break;
}
}
orderBindingSource.DataSource = selectedOrders;
}
RefreshDataGridViews();
}
}
