multi-select | 易学教程

Add Remove Column Handler on jqGrid ColumnChooser

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问题 I'm using the jqGrid columnChooser, like so: jQuery(grid).jqGrid( 'navButtonAdd', pagerDiv, { caption: "Columns", buttonicon: "ui-icon-newwin", title: "Hide/Show Columns", onClickButton: function () { $(this).jqGrid('columnChooser', { done: function (perm) { if (perm) { $(this).jqGrid('remapColumns', perm, true); } }, modal: true, width: 400, height: 300, classname: 'column-chooser-select' }); } } ); and was wondering if there was a way to specify an event handler on the columnChooser (using

WPF DataGrid multiselect binding

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问题 I have a datagrid that is multi-select enabled. I need to change the selection in the viewmodel. However, the SelectedItems property is read only and can't be directly bound to a property in the viewmodel. So how do I signal to the view that the selection has changed? 回答1: Andy is correct. DataGridRow.IsSelected is a Dependency Property that can be databound to control selection from the ViewModel. The following sample code demonstrates this: <Window x:Class="DataGridMultiSelectSample.Window1

Angular Mat Select Multiple selectionchange finding which option was changed

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问题 I have a <mat select> with the multiple option set (a multi-select). When the selectionChange event fires I need to know which option has been checked or unchecked, however, it only returns the new current list of selected options. For instance I have a list: <mat-select (selectionChange)="change($event)" multiple placeholder="Select"> <mat-option value="1">one</mat-option> <mat-option value="2">two</mat-option> <mat-option value="3">three</mat-option> <mat-option value="4">four</mat-option>

Why is the first element always blank in my Rails multi-select, using an embedded array?

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I'm using Rails 3.2.0.rc2 . I've got a Model , in which I have a static Array which I'm offering up through a form such that users may select a subset of Array and save their selection to the database, stored in a single column in Model . I've used serialize on the database column which stores the Array and Rails is correctly converting the users' selections into Yaml (and back to an array when reading that column). I'm using a multi-select form input to make selections. My problem is that, the way I currently have it, everything works as I would expect except that the user's subset array

Quick way to clear all selections on a multiselect enabled <select> with jQuery?

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问题 Do I have to iterate through ALL the and set remove the 'selected' attribute or is there a better way? 回答1: Simply find all the selected <option> tags within your <select> and remove the selected attribute: $("#my_select option:selected").removeAttr("selected"); As of jQuery 1.6, you should use .prop instead of removing the attribute: $("#my_select option:selected").prop("selected", false); 回答2: In order to clear all selection, I am using like this and its working fine for me. here is the

jqGrid multiselect - limit the selection of the row only using the checkbox

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问题 Good morning, I'm working on a jqGrid that have the multiselection active. I need to limit the selection of the row only using the multisel box, not by clicking everywhere on the row. Thats's because I need to do some action by clicking links on some cells and I won't alter the active multiselection. I tried to set the multiboxonly property, but it's not what I need. I didn't find anything else to customize this function of the grid. 回答1: You can control on which click the row will be

jQuery multiselect drop down menu

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I have a simple html multi select drop down list: <select id="transactionType" multiple="multiple" size="10"> <option value="ALLOC">ALLOC</option> <option value="LOAD1">LOAD1</option> <option value="LOAD2">LOAD2</option>  </select> I want to continue to use this list in the event javascript is disabled however with javaScript I would like to render the list as a multi-select drop down list. That is it only shows one item in the list until clicked and then will expand to show x items and provide scrolling, where I can select multiple elements as you would expect while

How do you properly create a MultiSelect <select> using the DropdownList helper?

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问题 (sorry, there are several item here but none seems to allow me to get this working.) I want to create a DropDownList which allows multiple selection. I am able to populate the list but I can't get the currently selected values to seem to work. I have the following in my controller: ViewBag.PropertyGroups = from g in db.eFinGroups where g.GroupType.Contents == "P" select new { Key = g.Key, Value = g.Description, Selected = true }; ViewBag.SelectedPropertyGroups = from g in company.Entities

How to implement multi-select in RecyclerView?

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ListView had a multiple choice mode, what should I use for implementing the same using RecyclerView? How to handle onItemCheckedStateChanged? I checked this , But i couldn't make out much out of this. Any code snippet or a sample project implementing the same would be great. Thanks in advance. I know it's a little bit late to answer this question. And I don't know whether it meets requirements of OP or not. But this may help someone. I implemented this multi-select RectyclerView with a simple trick. Here is my code. activity_main.xml <?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns

Why is the first element always blank in my Rails multi-select, using an embedded array?

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问题 I\'m using Rails 3.2.0.rc2 . I\'ve got a Model , in which I have a static Array which I\'m offering up through a form such that users may select a subset of Array and save their selection to the database, stored in a single column in Model . I\'ve used serialize on the database column which stores the Array and Rails is correctly converting the users\' selections into Yaml (and back to an array when reading that column). I\'m using a multi-select form input to make selections. My problem is