private async void Del()
{
var delMgr = treeView1.SelectedNode.Text;
if (Commons.ShowConfirmBox(this, string.Format("确认删除{0}吗？此操作无法被撤销。", delMgr)))
{
var p = await CrmInvestor.DeleteManager(delMgr);
if (p.IsOk)
{
UpdateTable1();
}
else
{
Commons.ShowResultErrorBox(this, p);
}
}
}