private void InitTree()
{
TreeView1.Nodes.Clear();
using (var edm = new GoldEntities())
{
var query = from p in edm.Department
where p.DepartmentCode == "root"
select p;
Department root;
if (query.Count <Department>() == 0)
{
var tmp = edm.CreateObject <Department>();
tmp.DepartmentCode = "root";
tmp.DepartmentName = "深圳金币";
tmp.Parent = "0";
edm.AddToDepartment(tmp);
edm.SaveChanges();
root = tmp;
}
else
{
root = query.First();
}
TreeNode rootNode = new TreeNode();
rootNode.Text = root.DepartmentName;
rootNode.Value = root.DepartmentCode;
CreatChildNodes(rootNode, root, edm);
TreeView1.Nodes.Add(rootNode);
rootNode.ExpandAll();
if (TreeView1.SelectedNode == null)
{
rootNode.Select();
GridViewBind();//显示全部用户
}
}
}
