WebDec 8, 2024 · Update: Each row is a record, so you really can't create a new record with your ClassMap outside of the row. What you might be able to do is wrap your class in another class that contains a List of the records you are trying to create and then combine them back into a single List. If Account can be type string in …WebApr 22, 2024 · I have created a complex ClassMap that I wanted to use to write a list of objects out to a file. How can I add the ClassMap to the CsvHelper instance's Configuration for writing? public class SpecimenMap : ClassMap { public SpecimenMap () { Map (s => DataFunctions.GetSiteByName (s.SiteName).RecordNo.ToString () + "-" + s ...
c# - CsvHelper. How can i invoke ConvertUsing of …
Web2 Answers. Its possible with a custom type converter but tricky. You need to decorate the property with an Index attribute (even though it's not used) public class FooBar { [Index (2)] public List Bars { get; set; } } The converter is used for both reading and writing, so you need to override two methods: WebExamples. Implied knowledge when using CsvHelper. Reading CSV data. Writing CSV data. Configuring the behavior of CsvHelper to work with your CSV data or custom class structures. Using type conversion to convert CSV fields to and from .NET types. Using a DataTable to read CSV data. rd3p200sntl1
CsvHelper parse csv and convert string to DateTime
WebApr 26, 2024 · 1 1. If your CSV has a string that is a Timespan and your class property is a Timespan, you don't need to do anything. CsvHelper will convert it for you using the TimeSpanConverter. CsvHelper already has default converters registered for classes like int, DateTime and TimeSpan. You would use .TypeConverter () if …WebJul 1, 2024 · So i tried inline conversion with ConvertUsing like this: classMap.Map (requestMonitoring => requestMonitoring.PUsrCrStatus) .ConvertUsing (row = > _context.Stamps.SingleOrDefault (stamp => stamp.MachineName == row.GetField ("#P_USR_CR_Status")); But this works only if i put [Ignore] attributes on every attribute …WebApr 9, 2024 · Can't use Map Name and ConvertUsing · Issue #984 · JoshClose/CsvHelper · GitHub. JoshClose / CsvHelper Public. Notifications. Fork 989. Star 4.1k. Code. Issues 250. Pull requests 16. Discussions.rd4info.nl