private void tsbtnBookRoom_Click(object sender, EventArgs e)
{
if (this.MdiChildren.Length == 0)
{
JHGoods jh = new JHGoods();
jh.MdiParent = this;
jh.Show();
}
}
private void 商品进货ToolStripMenuItem_Click(object sender, EventArgs e)
{
if (this.MdiChildren.Length == 0)
{
JHGoods jh = new JHGoods();
jh.MdiParent = this;
jh.Show();
}
}