public FORM_USER_MANAGEMENT()
{
InitializeComponent();
if (frm == null) /*بعين قيمة لل form لو قيمتة ب null وهى تكون قيمتها الحالية */ // .......[4]
{
frm = this;
}
this.DGV_user.DataSource = ClaUser.GET_ALL_USER();
btn_update.Enabled = false;
btn_delete.Enabled = false;
btn_add_user.Enabled = true;
}
private static FORM_USER_MANAGEMENT frm; // ......................[1]
static void frm_formclosed(object sender, FormClosedEventArgs e) // ................[2]
{
frm = null;
}
private void userManagementToolStripMenuItem_Click(object sender, EventArgs e)
{
FORM_USER_MANAGEMENT frm = new FORM_USER_MANAGEMENT();
frm.ShowDialog();
}