private void delNote(object sender, EventArgs e)
{
TreeNode node = tree_Navi.SelectedNode;
if (node.Parent != null)
{
MessageBox.Show("操作失败");
return;
}
Catagory_info info = noteContext.Catagory.Find(node.Tag);
noteContext.Catagory.Remove(info);
//删除子集程序
var sub = fileContext.Detail.Where(x => x.Catagory_ID == info.Catagory_ID);
foreach (Catagory_detail detail in sub)
{
file_info file = fileContext.Files.Find(detail.File_ID);
fileContext.Files.Remove(file);
fileContext.Detail.Remove(detail);
}
tree_Navi.Nodes.Remove(node);
}
private void confirm(object sender, EventArgs e)
{
Catagory_info info = new Catagory_info();
info.Catagory_Nama = txt_title.Text;
NoteDbContext context = new NoteDbContext();
context.Catagory.Add(info);
context.SaveChanges();
}
