c# – CsvReaderException未处理

发布时间：2020-12-15 17:37:25 所属栏目：百科来源：网络整理

导读：我不断遇到这个错误： An unhandled exception of type ‘CsvHelper.CsvReaderException’ occurred in CsvHelper.dll Additional information: No properties are mapped for type ‘RPS_String_Parse.Program+FormattedRow’. 但我相信我正在跟着the docum

我不断遇到这个错误：

An unhandled exception of type ‘CsvHelper.CsvReaderException’ occurred in CsvHelper.dll

Additional information: No properties are mapped for type ‘RPS_String_Parse.Program+FormattedRow’.

但我相信我正在跟着the documentation.在引用“入门”部分后,我实现了这一点：

using (var sr = new StreamReader(filePath))
{
    var csv = new CsvReader(sr);
    var records = csv.GetRecords<FormattedRow>();
    foreach (var record in records)
    {
        Console.WriteLine(record.Address1);
    }

    Console.ReadLine();
}

和我的班：

public class FormattedRow
{
        public string IDOrderAlpha;
        public string IDOrder;
        public string AddressCompany;
        public string Address1;
        public string Address2;
        public string AddressCity;
        public string AddressState;
        public string AddressZip;
        public string AddressCountry;
        public string ShipMethod;
        public string ContactEmail;
        public string ContactName;
        public string ServiceRep;
        public string CustomerPuchaSEOrder;
}

我觉得这应该是有效的,因为文档规定：

Auto Mapping

If you don’t supply a mapping file,auto mapping will be
used. Auto mapping will map the properties in your class in the order
they appear in. If the property is a custom class,it recursively maps
the properties from that class in the order they appear in. If the
auto mapper hits a circular reference,it will stop going down that
reference branch

我失踪了什么

解决方法

文档说明它将映射到“属性”.你的班有Fields.进行此更改：

public class FormattedRow
{
    public string IDOrderAlpha { get; set; }
    // add { get; set; } for all
}

这将会将您的字段更改为“自动属性”.

（编辑：李大同）

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