public string LoadForTree()
{
var models = _app.LoadAll();
//添加根节点
models.Add(new Category
{
Id = 0,
ParentId = -1,
Name = "根结点",
CascadeId = "0"
});
return(JsonHelper.Instance.Serialize(models));
}
public string LoadForTree()
{
return(JsonHelper.Instance.Serialize(_app.LoadAll()));
}