Convert my List<int> into a List<SelectListItem>

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I have a DropDownList containing a range of ten years (from 2010 to 2020) created like such :

var YearList = new List<int>(Enumerable.Range(DateTime.Now.Year - 5, ((DateTime.Now.Year + 3) - 2008) + 1));
ViewBag.YearList = YearList;

But here's my problem, I wish to have a default value selected and keep this value when I submit my information and I wish to use the type List<SelectListItem> for it, since its more practical.

Once in this type I will simply do as such to keep a selected value:

foreach (SelectListItem item in list)
            if (item.Value == str)
                item.Selected = true;

How may I convert my List<int> into a List<SelectListItem> ?

Try converting it using Linq:

List<SelectListItem> item = YearList.ConvertAll(a =>
                    return new SelectListItem()
                        Text = a.ToString(),
                        Value = a.ToString(),
                        Selected = false

Then the item will be the list of SelectListItem

Why is PyCharm suggesting I convert my list to a set?, The menu you show is not a suggestion; it's a tool (known as "intention action"). It gives you possibility to change this list into a set if you decide  For the most part, each list inside the list have the same element names but some will have some elements that others will not. So each list should be a Row in my data.frame, each variable name should be a column and in cases where a list doesn't have a particular variable the data.frame should contain an NA element.

You can use LINQ to convert the items from a List<int> into a List<SelectListItem>, like so:

var items = list.Select(year => new SelectListItem
    Text = year.ToString(),
    Value = year.ToString()

How to Convert Pandas DataFrame into a List, The bottom part of the code converts the DataFrame into a list using: df.values.​tolist(). Here is the full Python code: from pandas import DataFrame products = {'​  public static void MyMethod(List<AnyClass> list) public static void MyMethod(int anyInt) public static void MyMethod(string someString) And so on for the types you want. share | follow |

There is now an even cleaner way to do this:

SelectList yearSelectList = new SelectList(YearList, "Id", "Description"); 

Where Id is the name of the list item's value, and Description is the text. If you like you can add a parameter after this to specify the selected item. All you gotta do it pass in the ICollection that you wish to convert to a select list!

In you view you do this:

@Html.DropDownListFor(m => m.YearListItemId,
                        yearSelectList as SelectList, "-- Select Year --",
                        new { id = "YearListItem", @class= "form-control", @name= 
"YearListItem" })

Convert a List to Dataframe in Python (with examples), At times, you may need to convert your list to a DataFrame in Python. In this post, I'll show you 3 examples to perform the conversion. List<Giraffe> giraffes = new List<Giraffe>(); List<Animal> animals = giraffes; // this is not legal; suppose it were. animals.Add(new Tiger()); // it is always legal to put a tiger in a list of animals

Python program to convert a list to string, For example, conversion to string from the list of string or the list of integer. Example: Input: ['Geeks', 'for', 'Geeks'] Output: Geeks for  181. Converting from dict to list is made easy in Python. Three examples: >> d = {'a': 'Arthur', 'b': 'Belling'} >> d.items() [ ('a', 'Arthur'), ('b', 'Belling')] >> d.keys() ['a', 'b'] >> d.values() ['Arthur', 'Belling'] share. Share a link to this answer. Copy link. |.

MOS 2010 Study Guide for Microsoft Word, Excel, PowerPoint, and , To convert a selected SmartArt diagram to a bulleted list ➜ On the SmartArt Tools Design contextual tab, in the Reset group, click the Convert button, and then  You can use LINQ to convert the items from a List<int> into a List<SelectListItem>, like so: var items = list.Select(year => new SelectListItem { Text = year.ToString(), Value = year.ToString() });

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  • You dont set item.Selected = true! You bind to a model property. See my comments to your last question
  • This should be the answer - Excellent Answer! ( & Clean!!)
  • The question explicit asks for List<int>. There is no "Id" nor "Description" for List<int>.