private void clientRequestToolStripMenuItem_Click_1(object sender, EventArgs e)
{
client_request frm = new client_request();
frm.MdiParent = this;
frm.Show();
}
private void btnClient_Click(object sender, EventArgs e)
{
panelMDI.Controls.Clear();
panelMDI.Visible = true;
client_request change = new client_request();
change.TopLevel = false;
change.AutoScroll = true;
panelMDI.Controls.Add(change);
change.Dock = DockStyle.Fill;
change.Show();
pictureBox1.Visible = true;
pictureBox1.Height = btnClient.Height;
pictureBox1.Top = btnClient.Top;
}