private void BtnNewCity_Click(object sender, EventArgs e)
{
frmCityDetails frm = new frmCityDetails();
frm.TopLevel = false;
frm.AutoScroll = false;
panel1.Controls.Clear();
panel1.Controls.Add(frm);
panel1.Controls.SetChildIndex(frm, 0);
frm.Show();
}
private void CitiesGrid_MouseDoubleClick(object sender, MouseEventArgs e)
{
var id = citiesGrid.SelectedRows[0].Cells[0].Value;
frmCityDetails frm = new frmCityDetails(int.Parse(id.ToString()))
{
TopLevel = false,
AutoScroll = false,
WindowState = FormWindowState.Maximized
};
this.Parent.Controls.Add(frm);
frm.Show();
}