private void deleteTag_Click(object sender, EventArgs e)
{
if (listTags.SelectedItems.Count > 0)
{
using (DataBaseEntities db = new DataBaseEntities())
{
Tag tag = (Tag)listTags.SelectedItems[0].Tag;
TagOfClient tagOfClient = db.TagOfClient.FirstOrDefault(t => t.TagID == tag.ID && t.ClientID == client.ID);
if (db.TagOfClient.ToList().Exists(t => t.ID == tagOfClient.ID &&
t.ClientID == tagOfClient.ClientID))
{
listTags.Items.Remove(listTags.SelectedItems[0]);
db.TagOfClient.Remove(tagOfClient);
}
db.SaveChanges();
}
}
}
private void Save()
{
var results = new List <ValidationResult>();
var context = new ValidationContext(bindingSourceClient[0]);
if (!Validator.TryValidateObject(client, context, results, true))
{
foreach (var error in results)
{
MessageBox.Show(error.ErrorMessage, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
}
if (MessageBox.Show("Сохранить?", "Сохранение", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
{
using (DataBaseEntities db = new DataBaseEntities())
{
if (!db.Client.ToList().Exists(c => c.ID == client.ID))
{
client.RegistrationDate = DateTime.Now;
db.Client.Add((ModelDB.Client)bindingSourceClient[0]);
}
var tagOfClients = db.TagOfClient.ToList();
foreach (ListViewItem item in listTags.Items)
{
Tag tag = (Tag)item.Tag;
TagOfClient tagOfClient = new TagOfClient {
ClientID = client.ID, TagID = tag.ID
};
if (tagOfClients.Exists(t => t.TagID == tagOfClient.TagID && t.ClientID == client.ID) == false)
{
db.Tag.Add(tag);
db.TagOfClient.Add(tagOfClient);
}
}
db.SaveChanges();
}
}
}
