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   using System;
   using System.Globalization;
   using System.Linq;

    public static DateTime PersianDateToGregorianDate(string pDate)
    {
        var dateParts = pDate.Split(new[] { '/' }).Select(d => int.Parse(d)).ToArray();
        var hour = 0;
        var min = 0;
        var seconds = 0;
        return new DateTime(dateParts[0], dateParts[1], dateParts[2],
                            hour, min, seconds, new PersianCalendar());
    }

D:\Program Files\MongoDB\Server\3.4\bin>mongoexport -d publisher -c books -f Title,ISBN --csv -o D:\temp\books.csv
2017-03-04T22:50:20.671+0330    csv flag is deprecated; please use --type=csv instead
2017-03-04T22:50:20.673+0330    connected to: localhost
2017-03-04T22:50:20.673+0330    exported 7 records

D:\Program Files\MongoDB\Server\3.4\bin>mongoimport -d publisher -c books -f Title,ISBN --type csv D:\temp\books.csv
2017-03-04T23:05:50.588+0330    connected to: localhost
2017-03-04T23:05:50.591+0330    imported 8 documents

Today at .NET Conf 2019, we shared some exciting announcements for Xamarin and Visual Studio developers, including:

• XAML Hot Reload for Xamarin.Forms: Make changes to your XAML UI. See them reflected live on your emulator, simulator, or physical device.
• Xamarin Hot Restart: Test changes made to your app, including multi-file code edits, resources, and references, while using a much faster build and deploy cycle.
• iOS 13 and Android 10: Take advantage of the full power and performance of native platforms and APIs. Including iPadOS, dark mode, and foldable support. 

Multi Step Form with jQuery validation  Demo

• utilizes jquery validation (with or without jquery unobtrusive validation) to validate the form at each step.
• contains customizable header step classes to distinguish between active, complete, and incomplete steps.
• triggers custom change events with relevant step data for custom processing (e.g. updating progress bars)

npm install multi-step-form-js