private void button1_Click(object sender, EventArgs e)
{
string name = textBox2.Text;
if (string.IsNullOrEmpty(name))
return;
using (DataContainer c = new DataContainer())
{
int id = Convert.ToInt32(Tree1.SelectedNode.Tag);
Category parent = c.Category.First(p => p.Id == id);
Category category = new Category();
category.Name = name;
category.Parent = parent;
c.AddToCategory(category);
c.SaveChanges();
}
//LoadInfo();
}
private void LoadInfo()
{
using (DataContainer c = new DataContainer())
{
var allCategorys = c.Category.ToList();
if (allCategorys.Count == 0 || allCategorys.Any(p => p.Name == "root") == false)
{
Category root_add = new Category();
root_add.Name = "root";
root_add.Parent = null;
c.AddToCategory(root_add);
c.SaveChanges();
}
Category root = c.Category.Where(p => p.Name == "root").First();
Tree1.Nodes.Clear();
var nodes = GetTreeNodes(root);
nodes.ExpandAll();
Tree1.Nodes.Add(nodes);
}
}
