private void btnEdit_Click(object sender, EventArgs e)
{
if (dataGridView.SelectedRows.Count > 0)
{
int index = dataGridView.SelectedRows[0].Index;
int id = 0;
bool converted = Int32.TryParse(dataGridView[0, index].Value.ToString(), out id);
if (converted == false)
{
return;
}
ConsCategory cCat = context.ConsCategoryList.Find(id);
ConsCtForm consCtForm = new ConsCtForm();
consCtForm.txtName.Text = cCat.Name;
DialogResult result = consCtForm.ShowDialog(this);
if (result == DialogResult.Cancel)
{
return;
}
cCat.Name = consCtForm.txtName.Text;
context.Entry(cCat).State = EntityState.Modified;
context.SaveChanges();
MessageBox.Show("Категория обновлена");
}
}
private void btnAdd_Click(object sender, EventArgs e)
{
ConsCtForm ccaeForm = new ConsCtForm();
DialogResult result = ccaeForm.ShowDialog(this);
if (result == DialogResult.Cancel)
{
return;
}
ConsCategory conCat = new ConsCategory();
conCat.Name = ccaeForm.txtName.Text;
context.ConsCategoryList.Add(conCat);
context.SaveChanges();
MessageBox.Show("Новая категория добавлена");
}
private void btnDelete_Click(object sender, EventArgs e)
{
if (dataGridView.SelectedRows.Count > 0)
{
int index = dataGridView.SelectedRows[0].Index;
int id = 0;
bool converted = Int32.TryParse(dataGridView[0, index].Value.ToString(), out id);
if (converted == false)
{
return;
}
ConsCategory cCat = context.ConsCategoryList.Find(id);
cCat.Consums.Clear();
context.ConsCategoryList.Remove(cCat);
context.SaveChanges();
MessageBox.Show("Категория удалена");
}
}
