private void AddToolStripMenuItem_Click(object sender, EventArgs e)
{
if (treeView1.SelectedNode.Parent == null)
{
AddCategoryForm addForm = new AddCategoryForm();
addForm.Owner = this;
addForm.Show();
}
else if (treeView1.SelectedNode.Parent.Parent != null || treeView1.SelectedNode.Parent == categoryRootNode)
{
AddProductForm addForm = new AddProductForm();
addForm.Owner = this;
addForm.Show();
}
}
