C# - LINQToExcel - Null Values

本文关键字:Values Null LINQToExcel | 更新日期: 2023-09-27 18:22:23

我正在学习如何使用LINQTOExcel查询CSV文件。根据网站上的教程,我调整了他们的例子来处理我的数据(文件名通过OpenDialog组件传递给它):

var csv  = new ExcelQueryFactory(filename);
var test = from c in csv.Worksheet<TestData>()
           select c;
foreach(var t in test)
{
    Console.WriteLine(t.Contract_Id);
}

我有一个单独的TestData类/模型,看起来像这样:

class TestData
{
    public string Transaction_Id { get; set; }
    public string Value_Date { get; set; }
    public string Transmit_Date { get; set; }
    public string Transmit_Time { get; set; }
    public string Contract_Id { get; set; }
    public string Contract_Amount { get; set; }
    public string Contract_Rage { get; set; }
    public string TestAmount { get; set; }
    public string Employer_Code { get; set; }
    public string Test_Acceptor { get; set; }
    public string Institution_Id { get; set; }
}

但当我循环通过时,每个项的所有值都是"null"。我是不是错过了一步?

CSV数据示例:

transaction_id,value_date,transmit_date,transmit_time,contract_no,contract_amount,instalment,test_amount,employer_code,test_acceptor,institution_id
35454521,20111230,20120102,2:23:12,1442,1714.56,1,285.76,0,643650,a

C# - LINQToExcel - Null Values

CSV文件需要一个与属性名称匹配的头行:

Transaction_Id,Value_Date,Transmit_Date,Transmit_Time,Contract_Id,Contract_Amount,Contract_RageTestAmount,Employer_Code,Test_Acceptor,Institution_Id
35454521,20111230,20120102,2:23:12,1442,1714.56,1,285.76,0,643650