radio-button | 易学教程

Android - Check RadioButton ID in a RadioGroup with LinearLayout

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问题 Is there any possible way to get the selected radio button in this layout? because rg.getCheckedRadioButtonId() not working on this layout. I can't get each of my radiobuttons ID . It's like all my radio button are out of my radio Group <RadioGroup android:layout_width="match_parent" android:layout_height="wrap_content" android:id="@+id/rg" android:gravity="center" android:layout_centerVertical="true" android:layout_alignParentStart="true"> <LinearLayout android:layout_width="wrap_content"

remember radio button selections

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问题 I have the following code that works perfectly. It allows the user to 'like' or 'dislike' each post with radio buttons. The checkboxes are switches that allow the user to show/hide all liked or disliked posts. The problem is, I need the page to remember the radio button selections when the user leaves and returns. Would this require cookies? If so, how do i implement it? <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <title>Unhide on checkboxes/radio buttons<

How do I make a CheckBox look like a RadioButton

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问题 I wanna use a CheckBox but I want it to have the RadioButton chrome. What's the easiest way to do this? 回答1: public partial class RadioCheckBox : CheckBox {...} RadioCheckBox.xaml: <CheckBox x:Class="WpfApplication1.RadioCheckBox" ... xmlns:m="clr-namespace:WpfApplication1" > <CheckBox.Style> <Style TargetType="{x:Type m:RadioCheckBox}"> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="{x:Type m:RadioCheckBox}"> <Grid> <RadioButton IsChecked="{Binding RelativeSource=

WinForms TreeView with both radios and checkboxes

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问题 I have a case where I would like TreeView to be able to show radio buttons on multiple root nodes, and checkboxes on their children. There would only be one level of children beneath any root node. The radios should also behave like a group, ie one root is selected and the others' radios deselect. I've been trying to fake it with images, but it doesn't look realistic. I originally had a listbox and a separate checkedlistbox, but the usability gods struck it down. Has anyone implemented this

Keeping radio/checkbox values on postback?

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问题 There's is something I don't get with ASP objects. I have a button in a update panel. On the same page, I have a checkbox, a radiobutton and a textbox (outside the update panel). When I click on my button, I access all those three objects. The textbox is able to keep the his text value. But the radio/checkbox always return false when I check there checked state. Of course, my form is more complicated than what I just said. It involves Javascript and usercontrols. I managed to use the Request

Common Action Listener for 3 Buttons

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问题 I am having trouble with the design of my code. I have 3 buttons not in a button group. I want to - based on the selected button - perform an action. Now the action requires a modification of an object in the class. This means i cannot use an inner class because this does not have access to the outer. If i could add an event listener to a button group this would be much easier but as i see it i will need an event handler for each radio button, is this correct? If not how else can i do it?

Radiobuttons as a group in different panels

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问题 I'm using C# to develop WindowsForms application. I have created a form with some panels. Each panel has a RadioButton . When I click a RadioButton , and then other one, both are checked. How could I simulate that all the RadioButtons are in the same group, so only one can be checked, and the others are unchecked? Of course, I can control the checkedChanged event for each RadioButton ... but is there any better solution? Thanks in advance. 回答1: RadioButtons are automatically linked if they

v-for and v-if not working together in vue.js

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问题 A form is used to submit text and two options which tell vue which column to display the text in. When the col2 radio button is checked the submitted text should display in column 2. This is not happening, on column 1 text is displaying. I have two radio buttons which should pass the value 'one' or 'two' to a newInfo.option On submnit a method pushed the form data to the array 'info'. <input type="radio" id="col1" value="one" v-model="newInfo.col"> <input type="radio" id="col2" value="two" v

v-for and v-if not working together in vue.js

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jQuery radio onchange toggle class of parent element?

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问题 Please have a look on the following: $('#myRadio').change(function() { if($(this).is(':checked')) { $(this).parent().addClass('green'); } else { $(this).parent().removeClass('green'); } }); Markup lookslike somewhat as following <table> <tr> <td>Some text 1 </td> <td><input type="radio" value="txt1" name="myRadio" id="text1" /></td> <td>Some text 2 </td> <td><input type="radio" value="txt2" name="myRadio" id="text2" /></td> <td>Some text 3 </td> <td><input type="radio" value="txt3" name=