private void button6_Click(object sender, EventArgs e)
{
CategoryWiseLeg emp = new CategoryWiseLeg();
emp.MdiParent = this;
emp.Dock = DockStyle.Fill;
emp.Show();
}
private void button12_Click(object sender, EventArgs e)
{
CategoryWiseLeg frm = new CategoryWiseLeg();
frm.MdiParent = this;
frm.Dock = DockStyle.Fill;
frm.Show();
}