private async void btnChangePass_Click(object sender, EventArgs e)
        {
            if (txtNewPass.Text != txtNewPassConfirmation.Text)
            {
                MessageBox.Show("New passwords do not match", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Information);
                return;
            }

            KorisnikChangePass request = new KorisnikChangePass {
                KorisnickoIme = txtUserNAme.Text, NoviPass = txtNewPass.Text, pass = txtOldPass.Text
            };
            bool x = await _servicePass.ChangePass <bool>(request);

            if (x == false)
            {
                MessageBox.Show("Old Password Incorrect", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                return;
            }

            MessageBox.Show("Password succesfully changed !\n Please log in.", "Succes", MessageBoxButtons.OK, MessageBoxIcon.Information);

            Form hehe = FindForm();

            hehe.Dispose();
            hehe.Close();

            frmLogin frmLogin = new frmLogin();

            frmLogin.ShowDialog();
        }