调度程序未显示约会

Question

我的调度程序在调试时没有显示任何约会数据源不为空：

ID与资源ID相同。

我的映射是：

this.schedulerStorage1.Appointments.Mappings.Description = "Opmerking";
this.schedulerStorage1.Appointments.Mappings.End = "Eindtijd";
this.schedulerStorage1.Appointments.Mappings.ResourceId = "ID";
this.schedulerStorage1.Appointments.Mappings.Start = "Starttijd";
this.schedulerStorage1.Appointments.Mappings.Subject = "Handeling";

输出图像是：