我有一堂公共领域的课
public class DateUser
{
public static string Name { get; set; }
public static string SurName { get; set; }
}
我试图在这些字段中写入执行请求时应该获得的值\u200b\u200b
//заполнение полей
DateUser.Name = Convert.ToString(App.DataBase.SchoolBoys.
SqlQuery($"Select b.Name From SchoolBoy b Where EXISTS(Select 1 From SchoolAndTeachers s Where s.IdSchool = b.Id And s.Login = '{tBLogin.Text}')"));
DateUser.SurName = Convert.ToString(App.DataBase.SchoolBoys.
SqlQuery($"Select b.SurName From SchoolBoy b Where EXISTS(Select 1 From SchoolAndTeachers s Where s.IdSchool = b.Id And s.Login = '{tBLogin.Text}')"));
查询本身正在工作。
这是文本块中的条目
NameAndSyrName.Text = (DateUser.Name + " " + DateUser.SurName).ToString();
此代码编写在 App.xaml.cs 文件中
public partial class App : Application
{
public static readonly Entities.LibraryEntities DataBase = new Entities.LibraryEntities();
}


所有问题已解决