combobox

问题 I came across something that maybe a bug in wpf listbox. Please see the code and then I explain what happens Window <Window > <Grid> <local:MultiSelectionComboBox Width="200" MinHeight="25" HorizontalAlignment="Center" VerticalAlignment="Center" ASLDisplayMemberPath="FirstName" ASLSelectedItems="{Binding SelectedModels}" ItemsSource="{Binding Models}" /> <ListBox HorizontalAlignment="Right" VerticalAlignment="Top" DisplayMemberPath="FirstName" ItemsSource="{Binding SelectedModels}" /> </Grid>

问题 I have a WPF application. In one window there is a combobox..and I want to hide the toggle button and disable the combo box if there is only one item. How would I achieve this ? I have tried the below code for hiding the toggle button. But of no luck Any help would be appreciated. thanks <ComboBox x:Name="CList" ItemsSource="{Binding Path=C}" > <Style TargetType="{x:Type ToggleButton}" > <Style.Triggers> <DataTrigger Binding="{Binding Path=Items.Count, ElementName=CList}" Value="1"> <Setter

问题 If anyone of you have used kendo ui than can you please let me know how to add a new item dynamically in kendo combobox. I have tried searching on google and everywhere and my conclusion is that there is no such feature in kendo. For reference - JSBIN kendo link - here Thanks in advance. 回答1: As you probably know, there are two way to create a combobox (select and input). I was not able to add a new item dynamically using select (like your example). However, using the input and databinding,

问题 May I ask why does both comboboxes trigger each other such that both have same values? Can't I share a single list and have 2 comboboxes with different selected text? private void Form1_Load(object sender, EventArgs e) { BindingList<string> list = new BindingList<string>(); list.Add("A"); list.Add("B"); list.Add("C"); list.Add("D"); bind(cbo1, list); bind(cbo2, list); } private void bind(ComboBox combobox, BindingList<string> list) { // commented lines are in actual code, // but appears

问题 I used the select disctinct statement with 2 fields from my sql database table. Here is my code. myCommand = New SqlCommand("SELECT DISTINCT Author FROM tblBook UNION SELECT DISTINCT BookCode FROM tblBook",myConnection) myAdapter = New SqlDataAdapter(myCommand) myAdapter.Fill(myDataSet, "tblBook") cboAuthor.DataSource = myDataSet.Tables(0) cboAuthor.DisplayMember = "Author" cboAuthor.DisplayValue = "BookCode" and it generates error : cannot bind to the new member. Parameter name:value .

问题 I have used miglayout in swing applicaion.I have encounted one issue like jtable cant appear in whole frame it show only left side some area. i want to show untill at right side end of jframe edge My implemantaion code is below package test; import java.awt.EventQueue; import java.util.Arrays; import javax.swing.DefaultListModel; import javax.swing.JButton; import javax.swing.JComboBox; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JList; import javax.swing.JPanel;

问题 I have been playing around with customizing the WinForm combobox...So far I have the following: Using this code: public class ComboBoxWithBorder : ComboBox { private Color _borderColor = Color.Black; private ButtonBorderStyle _borderStyle = ButtonBorderStyle.Solid; private static int WM_PAINT = 0x000F; protected override void WndProc(ref Message m) { base.WndProc(ref m); if (m.Msg == WM_PAINT) { Graphics g = Graphics.FromHwnd(Handle); Rectangle bounds = new Rectangle(0, 0, Width, Height);

问题 How do i get the components with same 'itemId'? using ExtJS 3.4. I have 4 combos in different hbox layout with same itemId. I need get the values of all these combox. Is there any api's available for this? form1 row1 combo1 form1 row2 combo2 form1 row3 combo3 form1 row4 combo4 Please help. 回答1: I solved it by using 'hiddeName' for components inside the form. Through Ext.query() we can get all the hbox forms and from that form.getValues() will provide the values of components inside the form.

问题 I'm changing the look of all ComboBox es in my application by adding this Style to App.xaml: <Style TargetType="ComboBox"> <Setter Property="Foreground" Value="White"/> <Setter Property="Background" Value="#303030"/> <Setter Property="BorderBrush" Value="#000000"/> </Style> There are two colors that I haven't been able to set: 1) the Background color when IsEnabled=false 2) the highlight Background color when the mouse is over the ComboBox . How can I change these two colors? [edit: it looks

问题 Form will accept information and then copy the info to Sheet1. The form contains 5 textbox and 2 combobox. 1st combobox options are CRIS, TRACS, and DOCS. 2nd combobox option should be based on the 1st combobox selection. Here's my code so far: Private Sub cmdClear_Click() Call UserForm_Initialize End Sub Private Sub cmdMove_Click() Dim emptyRow As Long Sheet1.Activate 'Make Sheet1 active emptyRow = WorksheetFunction.CountA(Range("A:A")) + 1 'Transfer information Cells(emptyRow, 1).Value =