Sorting List by DateTime

Question

I have tried the solutions I have found and cannot seem to make this work for me.

I have a class:

public class InvokeGetReportRequestListResponse
{
    public MarketplaceWebServiceException Error { get; set; }
    public bool CallStatus { get; set; }
    public List<RequestedReport> Reports { get; set; }
}

public class RequestedReport
{
    public String ReportRequestId;
    public String ReportType;
    public DateTime? StartDate;
    public DateTime? EndDate;
    public Boolean Scheduled;
    public DateTime? SubmittedDate;
    public String ReportProcessingStatus;
    public String GeneratedReportId;
    public DateTime? StartedProcessingDate;
    public DateTime? CompletedDate;
}

I make a call to a service:

InvokeGetReportRequestListResponse callResponse = InvokeGetReportRequestList(callRequest);

And now I want to sort the Reports list in callResponse by CompletedDate

callResponse.Reports.Sort((x, y) => DateTime.Compare(x.CompletedDate, y.CompletedDate));

This returns an error:

Cannot convert lambda expression to type 'System.Collections.Generic.IComparer<WebFeeds.Amazon.API.DataTypes.RequestedReport>' because it is not a delegate type

what's the .NET framework version you are using? this code should work fine in .Net 4 and above — Selman Genç
– Selman Genç, Commented Dec 16, 2014 at 8:19

Codor · Accepted Answer · 2014-12-16 08:09:36Z

4

Sorting can be done using Linq via the following statement.

var Result = callResponse.Report.OrderBy( iItem => iItem.CompletedDate );

answered Dec 16, 2014 at 8:09

Codor

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4 Comments

Fred Over a year ago

This is the way I thought I would go but callResponse.Report has no OrderBy method.

Codor Over a year ago

Please show the definition of InvokeRepoerRequestListResponse.

user2160375 Over a year ago

@Fred have you using System.Linq?

Fred Over a year ago

@pwas Thank you! I cant believe I missed that.

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