public int Add(Investor aType)
{
int returnValue = -1;
returnValue = new InvestorDataHelper().Insert(aType);
return(returnValue);
}
public BindingList <Investor> Show(Investor aType)
{
try
{
var myList = new InvestorDataHelper().SelectAll();
var bindingList = new BindingList <Investor>(myList);
return(bindingList);
}
catch (ArgumentNullException)
{
throw new DataExistence("No Data Found! No Investor is yet added.");
}
}
public BindingSource GetList()
{
InvestorDataHelper DH = new InvestorDataHelper();
BindingSource BS = new BindingSource();
Hashtable HT = new Hashtable();
List <Investor> myList = DH.SelectAll();
if (myList != null)
{
foreach (var item in myList)
{
if (item.State == EntityState.Enabled)
{
HT.Add(item.ID, item.Name);
}
}
}
HT.Add(-1, "Select Investor");
BS.DataSource = HT;
return(BS);
}
