private void FrmMain_Load(object sender, EventArgs e) { //sh.Credentials = System.Net.CredentialCache.DefaultCredentials;//这两句在NET 1.1或2.0下同样有效//如果WebService支持匿名访问,则用此句 textBox3.Text = ""; label14.Text = ""; loginform mylogin = new loginform(); mylogin.ShowDialog(); textBox2.Focus(); //LocationScan(); }