public static int AddContactpersonType(ContactpersonType type)
{
// If _ContactpersonType is null, create the Observable Collection
if (_ContactpersonTypes == null) GetContactpersonTypes();
try
{
// Add to db
DbParameter param = Database.AddParameter("@name", type.Name);
// Get ID from db
DbDataReader reader = Database.GetData("INSERT INTO contacttype(name) VALUES(@name); SELECT LAST_INSERT_ID() AS ID;", param);
foreach (DbDataRecord record in reader)
{
// Get ID
if (DBNull.Value.Equals(record["ID"])) type.ID = -1;
else type.ID = Convert.ToInt32(record["ID"]);
}
if (reader != null)
reader.Close();
_ContactpersonTypes.Add(type);
return type.ID;
}
// Fail
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
return -1;
}
public ContactTypeVM()
{
ContactTypes = ContactpersonType.GetContactpersonTypes();
SelectedType = new ContactpersonType();
Enabled = true;
ShowEdit = "Hidden";
ShowCancel = "Hidden";
ShowSave = "Visible";
}
private void SelectionChanged(ContactTypeVM contacttypevm)
{
if (SelectedType == null) return;
if (ShowCancel == "Visible") CancelUpdateContactType(this);
_oldType = SelectedType.Copy();
contacttypevm.ShowEdit = "Visible";
contacttypevm.ShowCancel = "Hidden";
contacttypevm.ShowSave = "Hidden";
Enabled = false;
}
private void DeleteContactType(ContactTypeVM contacttypevm)
{
if (SelectedType == null) return;
ContactpersonType.DeleteContactpersonType(SelectedType);
SelectedType = new ContactpersonType();
Enabled = true;
ShowEdit = "Hidden";
ShowCancel = "Hidden";
ShowSave = "Visible";
}
private void AddContactType(ContactTypeVM contacttypevm)
{
SelectedType = new ContactpersonType();
_oldType = null;
contacttypevm.ShowEdit = "Hidden";
contacttypevm.ShowCancel = "Visible";
contacttypevm.ShowSave = "Visible";
contacttypevm.Enabled = true;
}
public static void UpdateContactpersonType(ContactpersonType type)
{
// If _ContactpersonType is null, create the Observable Collection
if (_ContactpersonTypes == null) GetContactpersonTypes();
try
{
// Update db
DbParameter param1 = Database.AddParameter("@id", type.ID);
DbParameter param2 = Database.AddParameter("@name", type.Name);
int affectedRows = Database.ModifyData("UPDATE contacttype SET name = @name WHERE id = @id", param1, param2);
if (affectedRows == 0) return;
// Update _ContactpersonTypes
_ContactpersonTypes[GetIndexByID(type.ID)] = type;
}
// Fail
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
public static ObservableCollection<ContactpersonType> GetContactpersonTypes()
{
// If _ContactpersonType is null, create the Observable Collection
if (_ContactpersonTypes == null)
{
try
{
// Create _ContactpersonType
_ContactpersonTypes = new ObservableCollection<ContactpersonType>();
// Get data
DbDataReader reader = Database.GetData("SELECT * FROM contacttype");
foreach (DbDataRecord record in reader)
{
// Create new ContactpersonType
ContactpersonType type = new ContactpersonType();
// Get ID
if (DBNull.Value.Equals(record["ID"])) type.ID = -1;
else type.ID = Convert.ToInt32(record["ID"]);
// Get Name
if (DBNull.Value.Equals(record["Name"])) type.Name = "";
else type.Name = record["Name"].ToString();
// Add ContactpersonType
_ContactpersonTypes.Add(type);
}
if (reader != null)
reader.Close();
}
// Fail
catch (Exception ex)
{
Console.WriteLine(ex.Message);
// Clear ContactpersonTypes
_ContactpersonTypes.Clear();
_ContactpersonTypes = null;
}
}
// Return _ContactpersonType
return _ContactpersonTypes;
}
public static void DeleteContactpersonType(ContactpersonType type)
{
// If _ContactpersonType is null, create the Observable Collection
if (_ContactpersonTypes == null) GetContactpersonTypes();
try
{
// Add to db
DbParameter param = Database.AddParameter("@id", type.ID);
int affectedRows = Database.ModifyData("DELETE FROM contacttype WHERE id = @id", param);
if (affectedRows == 0) return;
// Update _ContactpersonTypes
_ContactpersonTypes.RemoveAt(GetIndexByID(type.ID));
}
// Fail
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
