运行时,我的DTO对象出现了空错误:
我不明白为什么该列可为空:
[DataContract]
public class SearchParametersCompanyDTO
{
public SearchParametersCompanyDTO();
[DataMember]
public CompanyColumnsEnumDTO? Column { get; set; }
[DataMember]
public int PageIndex { get; set; }
[DataMember]
public int PageSize { get; set; }
[DataMember]
public string Term { get; set; }
}
[DataContract]
public enum CompanyColumnsEnumDTO
{
[EnumMember]
CompanyName = 0,
[EnumMember]
City = 1,
[EnumMember]
PostCode = 2,
}
这一定是一个转换问题,因为该列接受 null 值。
var dto = new SearchParametersCompanyDTO
{
PageIndex = pageIndex,
PageSize = defaultPageSize,
Term = term,
Column = null
};
任何想法?