private void tV_GroupItem_AfterSelect(object sender, TreeViewEventArgs e)
{
TreeNode selectNode = this.tV_GroupItem.SelectedNode;
DataTable profileCus = new DataTable();
if (selectNode.Tag == "1")
{
dGV_Item.DataSource = _item.GetTableItemsMySQL_Sale();
}
else
{
if (selectNode.Tag == "2")
{
dGV_Item.DataSource = _item.GetListItem_ForGroup_Sale(selectNode.Text);
}
}
}
