//
private void returntool_Click(object sender, EventArgs e)
{
var toolGet = PublicMethods.transferToInt(ToolNo.Text);
if (toolGet != -1)
{
var stuffNo = stuffAndToolOnWork.FirstOrDefault(p => p.using_tool == toolGet);
if (stuffNo != null)
{
toolWaiting.Add(toolGet);
stuffAndToolOnWork.Remove(stuffAndToolOnWork.First(p => p.using_tool == toolGet));
MessageBox.Show(stuffNo.stuff + "号工人下班，" + toolGet + "号工具已归还");
}
else
{
MessageBox.Show("请勿重复下班！");
}
}
else
{
MessageBox.Show("工具号不正确！");
}
}