selecteditem

问题 @Override public void onBindViewHolder(final mainscreenspecializationadap.MyViewHolder holder, final int positionz) { this.position = holder.getAdapterPosition(); final specializationpojo album = albumList.get(holder.getAdapterPosition()); holder.txtspecs.setText(album.getSplztnname()); holder.imgspecs.setImageResource(album.getIcon()); holder.linelayout.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { row_index=positionz; album.setOpened(!album

问题 I am programming a webpage which uses a select option dropdown menu to change the language in a MySQL table. There are currently only two language options. I simply want the menu to reflect the current value from the MySQL table. I retreive the value from MySQL and assign it to variable $valuelanguage . Here is the php code which I am using, that is not working: <select id="language" name="language"> <?php if($valuelanguage=="en") { echo '<option selected value="en">English</option>'; echo '

问题 <script> $(function () { $("select[name='CusList']").removeAttr('multiple'); $("select[name='CusList']").attr('size', '8'); $("select[name='CusList']").find('option:first').attr('selected', 'selected'); //fx(); }); function fx() { var resid = $("select[name='resourcename']").val(); alert(resid); } </script> @Html.ListBox("CusList", ((List<SelectListItem>)ViewData["Customer"]), new { @class = "k-list"}) I tried to call fx() from the pageload(on controller) and also inside the function(). Both

问题 Im having a very funny issue in WPF Im creating a Combobox through code, and adding it to a control. When I set the Combobox.SelectedItem or Combobox.SelectedIndex or Combobox.SelectedValue I am unable to select another option from the Combox items. ForeignKeyDisplayAttribute attribute = (ForeignKeyDisplayAttribute)this.GetAttribute(typeof(ForeignKeyDisplayAttribute), property); if (attribute != null) { ForeignKeyDisplayAttribute fkd = attribute; Type subItemType = fkd.ForeignKeyObject;

问题 I have a combobox, whose SelectedItem is bound to a dependency property. public IEnumerable<KeyValuePair<int,string>> AllItems { get { return _AllItems; } set { _AllItems = value; this.NotifyChange(() => AllItems); } } public KeyValuePair<int, string> SelectedStuff { get { return (KeyValuePair<int, string>)GetValue(SelectedStuffProperty); } set { SetValue(SelectedStuffProperty, value); LoadThings(); } } public static readonly DependencyProperty SelectedStuffProperty = DependencyProperty

问题 I’m using .Net 4.0 DataGrid with MVVM pattern. I need to enable user to select cells and copy information from selected cells to other DataGrid rows (either via keyboard shortcut or context-menu copy/paste). I tried to achieve this via SelectedItem or sending SelectedItem as CommandParameter but this functions only with the whole row and not with cells. (DataGrid is bound to ObservableCollection that contains objects with float fields. These fields are then mapped to DataGrid cells) So, is

问题 I have to set the selected item for a dropdownlist in view. But its not working. //View <div class="editor-label"> @Html.LabelFor(model => model.Gender) </div> <div class="editor-field"> @Html.DropDownListFor(model => model.Gender,Model.GenderList) </div> //Model [Required(ErrorMessage = "Please select gender!")] [Display(Name = "Gender")] public string Gender { get; set; } public IEnumerable<SelectListItem> GenderList { get { return new[] { new SelectListItem { Value = "0", Text = "Select" }

问题 Recently I've been working on a project which imports data programmicaly into a WPF DataGrid. I'm almost done with the project but the thing that I left out was a button to remove selected cells and this is where I'm stuck! I wrote this code using my basic knowledge of DataGrids: var grid = dataGrid1; if (grid.SelectedIndex >= 0) { for (int i = 0; i <= grid.SelectedItems.Count; i++) { grid.Items.Remove(grid.SelectedItems[i]); }; } Works fine on removing only the item selected just like

问题 ok, I must be having a brain freeze here... I have a ComboBox with 6 items and I'm trying to bind the selected item to an integer value. Its not working, I suspect its because the ComboBoxItem's are strings. I don't feel like making a list in code behind just to fill this little box, so is there a way in xaml to tell the comboboxitems that they are holding integer numbers? Something like <x:Int>2</x:Int> maybe? xaml: <ComboBox SelectedItem="{Binding SavedPrintTicket.PagesPerSheet}">

问题 In my tab SelectionChanged event (is this the correct event, I can't find a tab changed event?), how do I access the new tab? Also from outside this event in normal code, how do I access the currently selected tab? TabControl.SelectionChanged += new System.Windows.Controls.SelectionChangedEventHandler(TabControl_SelectionChanged); void TabControl_SelectionChanged(object sender, System.Windows.Controls.SelectionChangedEventArgs e) { //How so access my currently selected tab??? } 回答1: