// sets datasources and bind data to controls.
private void Bind()
{
// get member
var service = new Service();
var member = service.GetMember(MemberId);
// set company name
LabelHeader.Text = "<font color='black'>Orders for:</font> "
+ member.CompanyName + " (" + member.Country + ")";
GridViewOrders.DataSource = service.GetOrdersByMember(MemberId);
GridViewOrders.DataBind();
}
// deletes member record
protected void GridViewMembers_RowDeleting(object sender, GridViewDeleteEventArgs e)
{
var row = GridViewMembers.Rows[e.RowIndex];
int memberId = int.Parse(row.Cells[0].Text);
var service = new Service();
// member with orders cannot be deleted
var orders = service.GetOrdersByMember(memberId);
if (orders.Count > 0)
{
string memberName = row.Cells[1].Text;
LabelError.Text = "Cannot delete " + memberName + " because they have existing orders!";
}
else
{
var member = service.GetMember(memberId);
service.DeleteMember(member);
Session["message"] = "Member successfully deleted";
Bind();
}
}