csvhelper

问题 I am using CsvHelper I need to wrap all values with quotes. Is that possible? Data = is a List using (StreamWriter textWriter = new StreamWriter(path)) { textWriter.BaseStream.Write(p, 0, p.Length); // var dt = new DataTable(); var csv = new CsvWriter(textWriter); csv.WriteRecords(Data); textWriter.Flush(); textWriter.Close(); } Thanks 回答1: There is a config value called ShouldQuote where you can determine on a field level if it should be quoted. void Main() { var records = new List<Foo> {

问题 I am using CSVMapper to output the objects within a dictionary: using (TextWriter writer = new StreamWriter($"somefile.csv")) { var csvDP = new CsvWriter(writer); csvDP.WriteHeader<NodeDPCount>(); csvDP.NextRecord(); foreach (NodeDPCount dpItem in dp.Values) { csvDP.WriteRecord(dpItem); csvDP.NextRecord(); } } It is a simple class with fields like ID, Name, Age, etc. However, the output of the columns is in an order I do not like (e.g. ID is not first) and I want to specify which column is

问题 I am using CsvHelper to convert dapper objects to CsvFiles. I am using classmaps to map properties for indices and name mapping. The issue is I need a row with the table title before the records are written as mentioned below: My old code without the title: using (var writer = new StreamWriter(@"C:\Users\NPandian\Desktop\test.csv", false, System.Text.Encoding.UTF8)) using (var csvWriter = new CsvWriter(writer)) { var ReportName = "Test Class"; csvWriter.Configuration.RegisterClassMap(classMap

问题 I am using CsvHelper to convert dapper objects to CsvFiles. I am using classmaps to map properties for indices and name mapping. The issue is I need a row with the table title before the records are written as mentioned below: My old code without the title: using (var writer = new StreamWriter(@"C:\Users\NPandian\Desktop\test.csv", false, System.Text.Encoding.UTF8)) using (var csvWriter = new CsvWriter(writer)) { var ReportName = "Test Class"; csvWriter.Configuration.RegisterClassMap(classMap

问题 I am trying to convert an uploaded csv file to an object, so i can save in db. In the controller I am using CsvHeler But looks like this only works if I first save the file and read from it. CsvHelper is not able to process the file contents directly from memory stream. In the code below the first GetRecords returns empty [HttpPost] [Route(ApiRoutes.EodVariationMarginPlugs)] public async Task<IActionResult> UploadPlugAsync(IFormFile filePayload) { if (filePayload.Length > 0) { using (var

问题 I am trying to convert an uploaded csv file to an object, so i can save in db. In the controller I am using CsvHeler But looks like this only works if I first save the file and read from it. CsvHelper is not able to process the file contents directly from memory stream. In the code below the first GetRecords returns empty [HttpPost] [Route(ApiRoutes.EodVariationMarginPlugs)] public async Task<IActionResult> UploadPlugAsync(IFormFile filePayload) { if (filePayload.Length > 0) { using (var

问题 Trying to write the contents of people to a CSVfile and then export it, however i'm getting a build error and its failing. the error is: cannot convert from 'System.IO.StreamWriter' to 'CsvHelper.ISerializer' Not sure why this is happening unless as i'm certain i've done it this way loads of times. private void ExportAsCSV() { using (var memoryStream = new MemoryStream()) { using (var writer = new StreamWriter(memoryStream)) { using (var csv = new CsvHelper.CsvWriter(writer)) { csv

问题 Trying to write the contents of people to a CSVfile and then export it, however i'm getting a build error and its failing. the error is: cannot convert from 'System.IO.StreamWriter' to 'CsvHelper.ISerializer' Not sure why this is happening unless as i'm certain i've done it this way loads of times. private void ExportAsCSV() { using (var memoryStream = new MemoryStream()) { using (var writer = new StreamWriter(memoryStream)) { using (var csv = new CsvHelper.CsvWriter(writer)) { csv

问题 I implement a web api in .Net Framework using csvHelper to export a csv. I have the classes public class StudentInfo { public Student Student {get;set;} public Courses[] Courses { get; set; } } public class Student { public string Id {get;set;} public string Name{ get; set; } } public class Course { public string CourseId {get;set;} public string CourseName{ get; set; } } I have a method which return a List public List<StudentInfo> FetchStudentInfo() { //bla bla } Now I want to export in a

问题 I implement a web api in .Net Framework using csvHelper to export a csv. I have the classes public class StudentInfo { public Student Student {get;set;} public Courses[] Courses { get; set; } } public class Student { public string Id {get;set;} public string Name{ get; set; } } public class Course { public string CourseId {get;set;} public string CourseName{ get; set; } } I have a method which return a List public List<StudentInfo> FetchStudentInfo() { //bla bla } Now I want to export in a