后台代码
//按钮事件
void saveButton_Click(object sender, RoutedEventArgs e)
{
if (userName.Text.Trim() == string.Empty)
{
errMessage.Foreground = new SolidColorBrush(Colors.Red);
errMessage.Text = "请输入用户名称！";
errMessage.Visibility = Visibility.Visible;
return;
}
//调用WebService
     WebServiceProxy.UserManageSoapClient userMgrSoapClient =
new YJingLee.WebSrv.WebServiceProxy.UserManageSoapClient();
//创建用户操作
     userMgrSoapClient.CreateUserAsync(userName.Text);
userMgrSoapClient.CreateUserCompleted +=
new EventHandler<YJingLee.WebSrv.WebServiceProxy.
CreateUserCompletedEventArgs>(userMgrSoapClient_CreateUserCompleted);
}
void userMgrSoapClient_CreateUserCompleted(object sender,
YJingLee.WebSrv.WebServiceProxy.CreateUserCompletedEventArgs e)
{
if (e.Error == null)
{
errMessage.Text = "创建用户成功！";
errMessage.Foreground = new SolidColorBrush(Colors.Blue);
errMessage.Visibility = Visibility.Visible;
}
else
{
errMessage.Foreground = new SolidColorBrush(Colors.Red);
errMessage.Text = e.Error.ToString();
errMessage.Visibility = Visibility.Visible;
}
}