In asp.net dropdownlist some value disabled to select [duplicate]

Question

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make drop down list item unselectable

I have an asp.net dropdownlist and would like to make some values disabled to select. We have a list of 10-100 items that will be in the dropdown list. Users need to select an Item to perform a function.

Each item has a Heading that it's sorted on, 10 items under 1 heading (example). and I want to not allow the heading to be selected.

Per Kastman · Accepted Answer · 2012-01-11 12:38:54Z

4

Try for each element you want to diable:

  ListItem i = DropDownList1.Items.FindByValue(str);
  i.Attributes.Add("style", "color:gray;");
  i.Attributes.Add("disabled", "true");

answered Jan 11, 2012 at 12:38

Per Kastman

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1 Comment

Piush shukla Over a year ago

Thanks kman :) You save my time

Alexander Galkin · Accepted Answer · 2012-01-11 12:39:44Z

2

As long as your DropDownList is populated with items you can easily enable and disable them using the following property:

DropDownList1.Items[1].Enabled = false;
DropDownList1.Items[2].Enabled = true;

This will lead to the rendering them in HTML as non-selectable.

answered Jan 11, 2012 at 12:39

Alexander Galkin

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