Prerequisites

You will need the following to follow along with this tutorial:

• NET Core SDK from here
• Visual Studio or Visual Studio Code from here

Steps for ASP.NET Core MVC | Populate DropdownList with Month Names Using LINQ

Create a Dropdownlist control.

First, in our Razor view, we need to add a Dropdownlist control.

@*
    For more information on enabling MVC for empty projects, visit https://go.microsoft.com/fwlink/?LinkID=397860
*@
@{
    ViewData["Title"] = "Home Page";
}

<div class="row">
    <div class="col-md-4">
        <div class="form-group">
            <label class="control-label">Select Month</label>
            <select nme="getMonth" class="form-control" asp-items="@ViewBag.Month"></select>

        </div>
    </div>
</div>

Create a List of Month Names

The next step is to make a list of month names. We’ll use LINQ to generate a list of months, with the current month set as the default value.

 public IActionResult Index()
        {
          var GetMonth =  Enumerable.Range(1,12)
                .Select(m => new SelectListItem
                {
                    Text = new DateTimeFormatInfo().GetAbbreviatedMonthName(m),
                    Value = m.ToString()
                }).ToList();
                       
            ViewBag.Month = GetMonth; 
            return View();
        }

Conclusion

Using LINQ to populate a Dropdownlist control with month names in ASP.NET Core is a simple process. You can rapidly construct a Dropdownlist control with a list of months for your users to select by following the methods explained in this article.

FAQs

1. What exactly is LINQ?

LINQ is an acronym that stands for Language Integrated Query. It is a.NET language feature that allows developers to query several data sources using a uniform syntax.

2. Is it possible to associate the Dropdownlist control with a list of objects?

Yes, you may associate the Dropdownlist control with a collection of objects. Simply build a list of SelectListItem objects, where the Value property is the object’s ID and the Text property is the object’s name.

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