/// <summary>
/// 创建年级
/// </summary>
/// <param name="name"></param>
/// <returns></returns>
public static async Task CreateGrade(string name)
{
using (var gradeSvc = new GradeService())
{
var maxOrder = await gradeSvc.GetAll().MaxAsync(m => m.Order);
await gradeSvc.CreateAsync(new Grade()
{
Name = name
});
}
}