combobox | 易学教程

How to populate textbox with data , using selected combobox items

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问题 private void comboBox1_SelectedIndexChanged(object sender, EventArgs e) { combobox.items.add=("peter magdy"); if (combobox.selecteditems=("peter magdy") textbox.text==("age 23, male, etc"); } this code helps you to populate textbox with value from combobox 回答1: Consider this // your person model where you hold person info public class Person { public int Id {get; set;} public string Name {get; set;} public int Age {get; set;} public string Sex {get; set;} } // You will hold not strings but

Select text from combobox

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问题 I have a simple question: I have a combobox in WPF, but i want users to be able to copy the text from it to the clipboard. So select the displayed text of the selected item and right-click copy or ctrl+c. Just like default windows behaviour. <ComboBox ItemsSource="{Binding Products}" DisplayMemberPath="ProductName" IsEditable="True" SelectedItem="{Binding SelectedStroomProduct}"> </ComboBox> How can i do that without using code behind or putting a lame button next to it? 回答1: Unless you do

JavaFx: show DatePicker

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问题 I have a ComboBox<MyItem> and I want to show a DatePicker when I select a special item from the ComboBox . I created a class that extends ComboBox, and I have a DatePicker in that class. I have added a listener to its selectedItemProperty : public class CustomComboBox extends ComboBox<MyItem>{ private DatePicker datePicker; public CustomComboBox(){ getSelectionModel().selectedItemProperty().addListener((observable, oldValue, newValue) -> { if (MyItem.DATE.equals(newValue)) { initDatePicker();

WPF find textbox control inside combo box with combobox.Template

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问题 This question is extension to WPF ComboBox with checkboxes and textbox with search field Adding the UserControl in my window as follows <Usercontrols:MultiSelectComboBox x:Name="multiCombo" HorizontalAlignment="Left" Height="28" VerticalAlignment="Top" Width="235" Margin="81,27,0,0"/> I am having my combobox.Template as follows in my combobox <ComboBox> <ComboBox.Template> <ControlTemplate TargetType="ComboBox"> <Grid Name="control" > <ToggleButton x:Name="ToggleButton" Grid.Column="2"

flex表单验证---combobox

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上次说到了简单的表单验证，可以配置错误信息，点击按钮可以进行所有表单验证，那么如果验证都通过，怎样执行提交任务呢？一般都会这么处理，下面这个是button点击事件处理方法 Xml代码 < SPAN style = "FONT-SIZE: medium" > function vaidateForm():void{ var all:Array = Validator .validateAll([numVD,emailVD,comboValidator]); if( all.length ==0){ Alert.show("验证成功"); //这里可以发送请求进行表单提交任务 } } </ SPAN > 关于错误信息提示方面，有人说到字体太小了不好看，那么针对这个问题肯定是样式没有配好，就如同提示框的字体太小一样都可以进行style设置的现附上图类似于这样的效果，配置如下 Xml代码 < SPAN style = "FONT-SIZE: medium" > < fx:Style > @namespace s "library://ns.adobe.com/flex/spark"; @namespace mx "library://ns.adobe.com/flex/mx"; .errorTip { fontSize:16; } mx|Alert{ fontSize:16; } </

Excel VBA: Why does combo box shows only one item in the list?

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问题 I tried to make a combo box via VBA which will show in its drop down list a number of values in certain cells from worksheet. This is the relevant code: Set header = ActiveWorkbook.Worksheets(source_sheet_1_name).Range(Cells(4, 4), Cells(4, 9)) ActiveWorkbook.Names.Add Name:="header", RefersTo:=header UserForm2.ComboBox1.RowSource = "header" However, combo box shows only the first item in the list. I looked into it for a day and still could not figure out what I did wrong. 回答1: RowSource won

Load data Oracle Table to C# combobox using Oledb

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问题 hello i have create a table buy_unit in oracle database CREATE TABLE buy_unit( unit_id NUMBER(10) not null PRIMARY KEY, unit_name VARCHAR2(10) not null ); and insert Values INSERT INTO BUY_UNIT values(001,'Liter'); desc SELL_BUY_UNIT; then create a combo box combobox1 in C# now can load buy_unit table data in combobox ? i have use the connection: OleDbConnection con = new OleDbConnection("Provider=MSDAORA;Data Source=XE;User ID=user1;password=pssword"); 回答1: Well, you can see below code which

Get font of selected text in JEditorPane

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问题 Basically the question says it all; I have a JEditiorPane with the content type 'text/html'. I have created a font family and font size combo box and enabled them using the StyledEditorKit actions. This works great and I can change the font attributes of selected text (you what it does...) The only thing is when I select the text it's a bit confusing because the ComboBox's still show the users previous selection. I would love to implement the functionality to update the combo box values

ExtJS chained store filter not filtering

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问题 Filter for combobox is not working and I am not sure why. I have two comboboxes, one is province and other is city . When I select a province, the city combobox will be filtered according to the selected province using the province_id. View Model Code: data: { selectedProvince: null }, stores: { province: { fields: [ 'province_id', 'province_name' ], proxy: { type: 'ajax', url: '*some url to province*', reader: { type: 'json', rootProperty: 'data' } } }, city: { fields: [ 'city_id', 'city

Extjs combo initial value after loadRecord before loading store

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问题 I have a problem with combobox initial value. I'm using form.loadRecord() and form.updateRecord() to load form values and insert them to grid. It works ok except for the combo values. I load store for combo on demand when it is clicked, so after the initial loadRecord() I get an int value with id. I have both smthid and smthname columns on grid. I tried to change the value beforerender but as suspected it gets propagated to grid. I need to somehow change the initial value of the combo without