public static bool DeleteGenus(Genus SelectedGenus)
{
try
{
DataAccessLayer.DeleteObject(SelectedGenus);
DataAccessLayer.SaveChanges(System.Data.Objects.SaveOptions.None);
}
catch (Exception ex)
{
string s = ex.ToString();
DataAccessLayer.Refresh(System.Data.Objects.RefreshMode.StoreWins, SelectedGenus);
return false;
}
DataAccessLayer.Refresh(System.Data.Objects.RefreshMode.StoreWins, SelectedGenus);
return true;
}
private void btnDelete_Click(object sender, EventArgs e)
{
if (GenusDataAccess.DeleteGenus(SelectedGenus) == false)
{
MessageBox.Show("Cannot delete, child nodes still exist", "Delete Fail", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
SelectedGenus = null;
LoadData();
try
{
dgGenus.CurrentCell = dgGenus.Rows[0].Cells[0];
dgGenus.Rows[0].Selected = true;
}
catch
{
txtGenusId.Text = "";
txtGenusName.Text = "";
}
}
public static int SaveGenus(Genus SelectedGenus)
{
return DataAccessLayer.SaveChanges();
}
/// <summary>
/// Create a new Genus object.
/// </summary>
/// <param name="genusId">Initial value of the GenusId property.</param>
public static Genus CreateGenus(global::System.Int32 genusId)
{
Genus genus = new Genus();
genus.GenusId = genusId;
return genus;
}
/// <summary>
/// Deprecated Method for adding a new object to the Genuss EntitySet. Consider using the .Add method of the associated ObjectSet<T> property instead.
/// </summary>
public void AddToGenuss(Genus genus)
{
base.AddObject("Genuss", genus);
}
private void SelectGenus(int id)
{
try
{
SelectedGenus = GenusDataAccess.GetGenusById(id);
txtGenusName.Text = SelectedGenus.GenusName;
txtGenusId.Text = SelectedGenus.GenusId.ToString();
}
catch { }
}
