我使用 WCF 从实体框架查询这个,我想在手机客户端使用数据,我可以知道如何从 WCF 函数查询多个数据类型吗?
[OperationContract]
string LoginUser(string email, string password);
IService.cs
public string LoginUser(string email, string password)
{
string query = @"SELECT VALUE tblUser FROM MyEntities.tblUsers AS tblUser WHERE tblUser.email = @email AND tblUser.password = @password";
ObjectParameter[] parameters = new ObjectParameter[2];
parameters[0] = new ObjectParameter("email", email);
parameters[1] = new ObjectParameter("password", password);
using (var context = new SteamKingEntities())
{
ObjectQuery<string> results = context.CreateQuery<string>(query, parameters);
foreach (string result in results)
{
if (result != null)
{
return result;
}
}
}
return null;
}
IService.svc.cs
public Login()
{
InitializeComponent();
_serviceClient = new Service1Client();
_serviceClient.LoginUserCompleted += new EventHandler<LoginUserCompletedEventArgs>(_serviceClient_LoginUserCompleted);
}
private void loginBtn_Click(object sender, RoutedEventArgs e)
{
_serviceClient.LoginUserAsync(txtEmail.Text, txtPassword.Password);
}
private void _serviceClient_LoginUserCompleted(object sender, LoginUserCompletedEventArgs e)
{
if (e.Error == null && e.Result != null)
{
MessageBox.Show("Welcome " + e.Result + "!");
}
else
{
MessageBox.Show(e.Error.Message + " Couldn't Login, Please try again =D");
}
}
登录.xaml.cs
我想从 Entity Framework 返回整个表,并允许我在 Window Phone 端一一处理。
我想我需要对 IService 端做一些修改,但我真的不知道怎么做,因为我是电话开发的新手并且习惯于 Linq to SQL。请您指导我如何为退货制作类似类型的东西,拜托。谢谢你。
更新
我得到的错误There was an error while trying to deserialize parameter http://tempuri.org/:LoginUserResult. Please see InnerException for more details.
我将代码修改为WCF 自定义对象中所述的方式,但我无法反序列化它......我猜问题来自 WP 部分,我该如何反序列化结果?