public FormContact(GenericEnums.FormMode formMode, ContactBase contact, EventHandler contactsUpdated)
{
try
{
_formMode = formMode;
_contactsUpdated = contactsUpdated;
_contactNo = contact.ContactNo;
InitializeComponent();
SetFormMode();
// retrieve contact info
txtFriendlyName.Text = contact.FriendlyName;
txtIdentity.Text = contact.Identity;
}
catch (Exception ex)
{
Tools.Instance.Logger.LogError(ex.ToString());
}
}
public int AddContact(ContactBase contact)
{
ContactBase existingContact = GetContactByIdentity(contact.Identity);
if(existingContact != null)
{
return -1;
}
else
{
int maxContactNo = GetMaxContactNumber();
DataRow dr = _contactsDataSet.Tables[0].NewRow();
dr["ContactNo"] = ++maxContactNo;
dr["FriendlyName"] = contact.FriendlyName;
dr["Identity"] = contact.Identity;
_contactsDataSet.Tables[0].Rows.Add(dr);
SaveContacts();
LoadContacts(_xmlFilePath);
return int.Parse(dr["ContactNo"].ToString());
}
}
public void UpdateContact(ContactBase contact)
{
try
{
var contacts = from contactToUpdate in _contactsDataSet.Tables[0].AsEnumerable()
where contactToUpdate["ContactNo"].ToString().Equals(contact.ContactNo.ToString())
select contactToUpdate;
if (contacts.Count() == 0)
{
contacts = from contactToUpdate in _contactsDataSet.Tables[0].AsEnumerable()
where contactToUpdate["Identity"].ToString().Equals(contact.Identity)
select contactToUpdate;
}
DataRow toUpdate = contacts.First();
if (toUpdate != null)
{
toUpdate.SetField("FriendlyName", contact.FriendlyName);
this.SaveContacts();
}
}
catch (Exception ex)
{
Tools.Instance.Logger.LogError(ex.ToString());
}
}
