What is the best way to code up a Month and Year drop down list for ASP.NET?
Solution 1
You could use this to get a list of all the Month names and loop through it.
CultureInfo.CurrentCulture.DateTimeFormat.MonthNames
You can use it like this...using the index of the Month as the value for your dropdown
var months = CultureInfo.CurrentCulture.DateTimeFormat.MonthNames;
for (int i = 0; i < months.Length; i++)
{
ddl.Items.Add(new ListItem(months[i], i.ToString()));
}
Solution 2
Extending @Jesse Brown's answer...
With a using System.Globalization directive, I have the following code:
for (int x = 0; x < 12; x++)
{
cboMonth.Items.Add
(
(x+1).ToString("00")
+ " "
+ CultureInfo.CurrentCulture.DateTimeFormat.MonthNames.GetValue(x)
);
}
This produces a dropdown list that looks like:
01 January 02 February 03 March ... 12 December
A further refinement might be to make the displayed month the current month by adding:
cboMonth.Text = DateTime.Now.Month.ToString("00")
+ " "
+ CultureInfo.CurrentCulture.DateTimeFormat.MonthNames.GetValue(DateTime.Now.Month);
After the for loop.
Solution 3
Below code is for load month dropdown as Select
private void LoadMonth()
{
ddlmonth.Items.Add(new ListItem("Select", 0.ToString()));
var months = CultureInfo.CurrentCulture.DateTimeFormat.MonthNames;
for (int i = 0; i < months.Length-1; i++)
{
ddlmonth.Items.Add(new ListItem(months[i], (i+1).ToString()));
}
}
Solution 4
Here is my solution, which is very similar to @jesse-brown's solution (the accepted answer)
VB.NET:
In a global functions class:
Public Shared Function GetMonthList() As Generic.Dictionary(Of String, String)
Dim months As New Generic.Dictionary(Of String, String)()
For m As Int32 = 1 To 12
months.Add(String.Format("{0:0#}", m), CultureInfo.CurrentCulture.DateTimeFormat.GetMonthName(m))
Next
Return months
End Function
On the ASPX page:
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
ddMonth.DataSource = GlobalFunctions.GetMonthList()
ddMonth.DataValueField = "Key"
ddMonth.DataTextField = "Value"
ddMonth.DataBind()
End Sub
This implementation is in VB.NET because that happens to be what this webapp is using (legacy), however thank you very much for the examples in C# (my preferred language), I'm posting the VB.NET here to help the VB.NET community as well.
Solution 5
For ASP.NET MVC this is what I'm doing.
Note I prefer to use a codebehind for things like this - its still part of the view and there's nothing wrong with the view constructing a SelectList.
PaymentControl.ascx
<%= Html.DropDownList("ExpirationMonth", ExpirationMonthDropdown)%> /
<%= Html.DropDownList("ExpirationYear", ExpirationYearDropdown)%>
PaymentControl.ascx.cs
public partial class PaymentControl : ViewUserControl<CheckoutModel>
{
public IEnumerable<SelectListItem> ExpirationMonthDropdown
{
get
{
return Enumerable.Range(1, 12).Select(x =>
new SelectListItem()
{
Text = CultureInfo.CurrentCulture.DateTimeFormat.AbbreviatedMonthNames[x - 1] + " (" + x + ")",
Value = x.ToString(),
Selected = (x == Model.ExpirationMonth)
});
}
}
public IEnumerable<SelectListItem> ExpirationYearDropdown
{
get
{
return Enumerable.Range(DateTime.Today.Year, 20).Select(x =>
new SelectListItem()
{
Text = x.ToString(),
Value = x.ToString(),
Selected = (x == Model.ExpirationYear)
});
}
}
}
Comments
-
Astra almost 2 years
I have an internal application that I needs to have a drop down list for two date type elements: Month and Year. These values are not in a database or other repository of information.
I know I could just setup a list with the values I need by adding them to a dictionary like object (I need to correlate the Month to the numerical representation, January => 01):
var months = new Dictionary<String,String>(); months.Add("01", "January"); ...
The drop down list for the year will be a bit easier as I can just choose a starting year and iterate up to the current or current+1 year in a generic list.
Is there a better way to handle these data elements? Something built in, or a good design pattern that I should be implementing?
-
pyrocumulus about 15 yearsInteresting question, I have had the same question once. +1
-
Greg about 15 yearsDo you need to localize this value?
-
Astra about 15 yearsLocalization isn't a requirement, however if it already exists in a localized state, it wouldn't hurt.
-
-
Astra about 15 yearsIs there a way to corrolate a month name with the numeric representation (i.e. January => 1)?
-
Greg about 15 yearsThe array returned by CultureInfo.InvariantCulture.DateTimeFormat.MonthNames contains contains "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December", and "" in order. You can use a for loop to get the index for each value.
-
NewXcoder about 15 yearsGreat answer! I love StackOverflog -- I truly learn something new at least twice a day. I've added my contribution in homage to @Jesse Brown's answer in another answer.
-
aruno over 14 yearsbe sure to check out the other properties on DateTimeFormat - such as AbbreviatedMonthNames. Don't just do substring(0,3) !!
-
Nikkelmann over 10 yearsFor localized month names, use Thread.CurrentThread.CurrentCulture.DateTimeFormat.MonthNames.
-
mastov almost 9 yearsPlease provide some explanation about your code. This way your answer will be more useful.
-
kez about 8 yearsOnce I use this
public IEnumerable<SelectListItem> ExpirationMonthDropdown {
inside my model class I'm getting following errorThe name 'Model' does not exist in the current context
-
Tim Malone almost 8 yearsHi there, both link-only answers and code-only answers are discouraged here. Can you edit your answer to explain how this solves the OP's problem?
-
Ali Humayun about 7 yearsmonths.DataSource = CultureInfo.CurrentCulture.DateTimeFormat.MonthNames; months.DataBind(); and use like months.SelectedIndex + 1