private void FrmAdmin1_Load(object sender, EventArgs e)
{
tsLable.Text = String.Format("欢迎你！{0}，登陆时间：{1}", UserHelpercs.UserName, DateTime.Now.ToString());
FrmSong frmSong = new FrmSong();
ShowSonForm(frmSong);
}
private void 歌曲管理ToolStripMenuItem_Click(object sender, EventArgs e)
{
FrmSong frmSong = new FrmSong();
ShowSonForm(frmSong);
}