maintain state in a mvc drop down

Question

I have the following code and when I update, I get the correct results out of a list of dropdowns. I.E.. if I update one of the list items to "Closed" it does exactly what it is told both in the view and the database.

But as soon as I move away from the view and then come back, I lose the "state". Is there a way I can add a "Selected" to this of do I need to re-think?

@{
    var listItems = new List<ListItem> {
    new ListItem {Text = "Open", Value = "Open"},
    new ListItem {Text = "Closed", Value = "Closed"},
    new ListItem {Text = "Standby", Value = "Standby"}};
}
@Html.DropDownList("Parks[" + (@i + 10) + "].ParkStatus", new SelectList(listItems), new { @class = "form-control" })

Edit

I think I need some kind of "Is Selected" in the following string?

@Html.DropDownList("Parks[" + (@i + 10) + "].ParkStatus", new SelectList(listItems), new { @class = "form-control" })

score 1 · Answer 1 · edited May 23 '17 at 12:06

1

You need to use @Html.DropDownListFor - see this question Difference between DropDownlist or DropDownListFor Html helper

edited May 23 '17 at 12:06

Community

1
1

answered Mar 24 '15 at 10:00

ste-fu

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but that is not what I need here! – Bojangles Mar 24 '15 at 10:22
How about this answer http://stackoverflow.com/questions/624828/asp-net-mvc-html-dropdownlist-selectedvalue – ste-fu Mar 24 '15 at 10:33

score 1 · Accepted Answer · answered Mar 25 '15 at 02:40

Worked it out and I was on the right track, it was a need for extra parameters in:

@Html.DropDownList("Parks[" + (@i + 10) + "].ParkStatus", new SelectList(listItems), new { @class = "form-control" })

It now looks like this:

@Html.DropDownList("Parks[" + (@i + 10) + "].ParkStatus", new SelectList(listItems, "Text", "Value", Model[i].ParkStatus), new { @class = "form-control" })

And is working great.

Thanks for you help ste-fu you helped point me in the right direction.

maintain state in a mvc drop down

2 Answers2