private void manageSalaryToolStripMenuItem_Click(object sender, EventArgs e)
{
CloseAll();
frmManageSalary fmSalary = new frmManageSalary();
fmSalary.MdiParent = this;
fmSalary.Show();
}
private void pictureBox2_Click(object sender, EventArgs e)
{
frmManageSalary fm = new frmManageSalary();
fm.MdiParent = this.MdiParent;
fm.Show();
this.Close();
}