Multiselect ListBox
The ListBox has multiple selection already implemented. Just change SelectionMode property to Multiple or Extened. You can use SelectedItems property to get all the selected items afterwards.
multi-select
Select All mat option and deselect All
Use code as below create function on click each mat-option and select()/deselect() all option: See stackblitz:https://stackblitz.com/edit/angular-material-with-angular-v5-jsgvx6?file=app/app.component.html TS: togglePerOne(all){ if (this.allSelected.selected) { this.allSelected.deselect(); return false; } if(this.searchUserForm.controls.userType.value.length==this.userTypeFilters.length) this.allSelected.select(); } toggleAllSelection() { if (this.allSelected.selected) { this.searchUserForm.controls.userType .patchValue([…this.userTypeFilters.map(item => item.key), 0]); } else { this.searchUserForm.controls.userType.patchValue([]); } } HTML: <form [formGroup]=”searchUserForm” fxFlex fxLayout=”column” autocomplete=”off” style=”margin: 30px”> <mat-select placeholder=”User Type” … Read more
bootstrap multiselect get selected values
the solution what I found to work in my case $(‘#multiselect1’).multiselect({ selectAllValue: ‘multiselect-all’, enableCaseInsensitiveFiltering: true, enableFiltering: true, maxHeight: ‘300’, buttonWidth: ‘235’, onChange: function(element, checked) { var brands = $(‘#multiselect1 option:selected’); var selected = []; $(brands).each(function(index, brand){ selected.push([$(this).val()]); }); console.log(selected); } });
Deselecting all elements from a multi-select dropdown in jQuery
$(“#edit-rec option:selected”).removeAttr(“selected”);
Angular Mat Select Multiple selectionchange finding which option was changed
I needed to use onSelectionChange on the <mat-option>, which is different than the selectionChange that you can use on the <mat-select> It would be nice if that was in the documentation for mat-select. Here it is working https://stackblitz.com/edit/angular-1e9gsd-34hrwg?file=app/select-overview-example.html
WPF XAML : How to disable multi selection in a DataGrid?
Set the DataGrid.SelectionMode: <DataGrid SelectionMode=”Single” …
Quick way to clear all selections on a multiselect enabled with jQuery?
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);
jQuery multiselect drop down menu
Update (2017): The following two libraries have now become the most common drop-down libraries used with Javascript. While they are jQuery-native, they have been customized to work with everything from AngularJS 1.x to having custom CSS for Bootstrap. (Chosen JS, the original answer here, seems to have dropped to #3 in popularity.) Select2: https://select2.github.io/ Selectize: … Read more
Customizing the TreeView to allow multi select
I have a variation on SoMoS implementation that uses an attached property declared on a derivation of the base TreeView control to track the selection state of the TreeViewItems. This keeps the selection tracking on the TreeViewItem element itself, and off of the model object being presented by the tree-view. This is the new TreeView … Read more
How to implement multi-select in RecyclerView? [closed]
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 RecyclerView with a simple trick. Here is my code. activity_main.xml <?xml version=”1.0″ encoding=”utf-8″?> <RelativeLayout xmlns:android=”http://schemas.android.com/apk/res/android” xmlns:app=”http://schemas.android.com/apk/res-auto” android:layout_width=”match_parent” android:layout_height=”match_parent” android:background=”#EEE”> <android.support.v7.widget.RecyclerView android:id=”@+id/recycler_view” android:layout_width=”match_parent” android:layout_height=”match_parent” … Read more