private void btnadduser_Click(object sender, EventArgs e)
{
frmAddUser frm = frmAddUser.GetSingleton();
frm.MdiParent = this.MdiParent;
frm.Show();
}
public static frmAddUser GetSingleton()
{
if (frm == null || frm.IsDisposed)
// if (frm == null)
{
frm = new frmAddUser();
}
frm.Activate();
return(frm);
}