listitem

问题 I'm new to windows phone development. I'm showing data in list box. For for all rows in the list box the back ground color is same. But I want to add two different colors for alternate rows to list box items. Below is the code for list view. <Grid x:Name="ContentPanel" Grid.Row="1" Margin="0,10,0,0" Background="White"> <ListBox Margin="6,6,-6,6" Name="itemslb" SelectionChanged="itemList_SelectionChanged"> <ListBox.ItemTemplate> <DataTemplate> <Grid x:Name="listItem"> <Grid.RowDefinitions>

问题 I've got a DropDownList in ASP.NET that has a ListItem that requires being disabled... but I DON'T mean Enable="False" . And I also don't want to disable the entire DropDownList , just one specific ListItem . What I'm talking about is written in HTML as disabled="disabled" , like so: <option disabled="disabled" value="-1">Disabled Option</option> Anyone know how to do this in ASP.NET? 回答1: Have you tried adding disabled="disabled" on the ListItem element? <asp:DropDownList runat="server" ID=

问题 This question already has answers here : How can I get the selected item of a dropdownlist, the first time my page loads? (4 answers) Closed 3 years ago . I am trying to get all dropdownlists on my page, and in each of them the selected item text/value. But I am seem to be missing something. foreach (DropDownList dr in this.Page.Form.Controls.OfType<DropDownList>()) { foreach (ListItem li in dr.Items) { if (li.Selected) { //put the selected items value/text into something. } } } Any idea to

问题 In a ListView, how can I attach an object at any time to an already existing ListItem? (I know I can attach an object to a ListItem with AddItem , however I need to attach the object after the ListItem has been created). 回答1: You can access it through the TListItem.Data property. For example: var ListItem: TListItem; begin ListView1.AddItem('Item 1', nil); ... ListItem := ListView1.Items[0]; ListItem.Data := Edit1; TEdit(ListItem.Data).Text := 'Updated text...'; end; 回答2: You could solve this

问题 I'm trying to create some test programs, just for fun to learn c#, and I came to something I really couldn't figure out. I wanted to add an image to an item in a listview. I found an article on Stackoverflow explaining how to do this, and it worked. However, I cannot add extra text to the item. I'd like to have an image with text next to it. My current code: ImageList Imagelist = new ImageList(); private void Form1_Load(object sender, EventArgs e) { //retrieve all image files String[]

问题 I have this simple XML View: <core:View xmlns:core="sap.ui.core" xmlns:mvc="sap.ui.core.mvc" xmlns="sap.m" controllerName="listicons.list" xmlns:html="http://www.w3.org/1999/xhtml"> <Page title="Title"> <content> <List id="test-list"></List> </content> </Page> </core:View> In my controller, I call a method to build list items onInit. First of all set some data: var data = { "products": [ { "prodName": "Apple", "prodCountry": "Netherlands", "price": "normal" }, { "prodName": "Orange",

问题 I have a site which contains a custom list Master. I have a number of sub sites which contain copies of this list. When someone edits or adds a new list item to the master list, I would like all sub sites to be updated accordingly by an event handler which is associated with the master list. e.g. if item is added, add it to the list of each sub site if item is updated, update the appropriate list item of each sub site if item is deleted, delete the appropriate list item from each sub site I

问题 I have a ListItem which includes an ImgaeView. I want to delete the ListItem whenever its image or icon is clicked. Here is my ListItemActivity. How would I call the remove method of the adapter to remove the ListItem? Im having the problem with referencing. Please let me know if there is any better way of doing it. public class TaskListItem extends LinearLayout { private Task task; private TextView taskName; private TextView responsible; private TextView priority; private ImageView bin;

问题 I implemented an ExtensionMethod which basically works as ForEach-Loop, my Implementation looks like this: public static void ForEach(this ListItemCollection collection, Action<ListItem> act ) { foreach (ListItem item in collection) act(item); } However, I'd like the method to stop looping after the first time a specific condition is met. Here's how I currently use it: ddlProcesses.Items.ForEach(item => item.Selected = item.Value == Request["Process"]?true:false); The Problem with this is

问题 I have a this aspx-code: (sample) <asp:DropDownList runat="server" ID="ddList1"></asp:DropDownList> With this codebehind: List<System.Web.UI.WebControls.ListItem> colors = new List<System.Web.UI.WebControls.ListItem>(); colors.Add(new ListItem("Select Value", "0")); colors.Add(new ListItem("Red", "1")); colors.Add(new ListItem("Green", "2")); colors.Add(new ListItem("Blue", "3")); ddList1.DataSource = colors; ddList1.DataBind(); The output looks like this: <select name="ddList1" id="ddList1">