private void button3_Click(object sender, EventArgs e) { string uid = this.textBox1.Text.Trim(); string pwd = this.textBox2.Text.Trim(); if (uid == "" || pwd == "") { MessageBox.Show("信息不全!"); return; } userinfo u = new userinfo(); u.userid = uid; u.password = pwd; u.creator = "arwqt4g"; u.realname = "AAAAAA"; WcfClient.AddUserAsync(u); }