checkbox

问题 Need some help to solve this. I have a gridview and inside the gridview I have a checkbox and after clicking the checkbox, I am doing a postback event and trying to update this particular row only on the database. This is my gridview checkbox code. see the OnCheckedChanged. <asp:TemplateField HeaderText="Sample"> <ItemTemplate> <asp:CheckBox runat="server" ID="chkSample" Checked='<%# Bind("Sample") %>' OnCheckedChanged="UpdateSupplyLed" AutoPostBack="True"> </asp:CheckBox> </ItemTemplate> <

问题 I want to set check-boxes state from database, so I write, {{ Form::checkbox('asap', null, $offer->asap) }} But if I want to set 'id' to the check-box like {{ Form::checkbox('asap', null, $offer->ASAP, array('id'=>'asap')) }} It always set my check-box state to true. (Before user select it) So question how set 'id' in blade check-boxes when check-box state is set before user select it? 回答1: 3rd argument decides whether checkbox is checked or not. So probably $offer->ASAP (or $offer->asap is

问题 I want to set check-boxes state from database, so I write, {{ Form::checkbox('asap', null, $offer->asap) }} But if I want to set 'id' to the check-box like {{ Form::checkbox('asap', null, $offer->ASAP, array('id'=>'asap')) }} It always set my check-box state to true. (Before user select it) So question how set 'id' in blade check-boxes when check-box state is set before user select it? 回答1: 3rd argument decides whether checkbox is checked or not. So probably $offer->ASAP (or $offer->asap is

问题 The listener for checkbox in my custom listview works only for the first checkbox. I think this has something to do with the position in getView(). I'm attaching my code with this question please suggest me a work around for this problem. public View getView(final int position, View convertView, ViewGroup parent) { final ViewHolder holder; LayoutInflater inflater = context.getLayoutInflater(); if(convertView==null) { convertView = inflater.inflate(R.layout.custom_list, null); holder = new

问题 when i have more items in listview and i select some checkbox and scroll it down to select more checkbox then checkbox which were selected above gets deselect. Plz help. where i can save checked state and position and when i do refresh list. code given below. protected void onCreate(Bundle savedInstanceState) { dladapter = new DifferenceListAdapter(this, prodCodeArr, prodDescArr, serialBatchArr, expDtArr, qtyArr, serialNo, 0); diffeneceLv.setAdapter(dladapter);} static class ViewHolder {

问题 There are 3(I do not know how many would be it changeable. 3 only example) checkboxes in my form and I want to detect unchecked checkboxes with php when it post. How can I do this? 回答1: Gumbo is right. There is a work around however, and that is the following: <form action="" method="post"> <input type="hidden" name="checkbox" value="0"> <input type="checkbox" name="checkbox" value="1"> <input type="submit"> </form> In other words: have a hidden field with the same name as the checkbox and a

问题 it has text, an image, and then the checkbox, I want to use a better image for the check, but cannot find a way to change the checked and unchecked images this.checkBox1.CheckAlign = System.Drawing.ContentAlignment.MiddleRight; this.checkBox1.Checked = true; this.checkBox1.CheckState = System.Windows.Forms.CheckState.Checked; this.checkBox1.Image = global::ClientExam.Properties.Resources.action32; this.checkBox1.Location = new System.Drawing.Point(145, 140); this.checkBox1.Name = "checkBox1";

问题 The explanation is below the code: The code for HTML is : <div id="container"><h1>Add-ons</h1> <input type="checkbox" name="ch1" value="10" id="qr1" />Add-on Number 1 - 10 QR <br /> <input type="checkbox" name="ch1" value="20" id="qr1" />Add-on Number 2 - 20 QR <br /> <input type="checkbox" name="ch1" value="40" id="qr1" />Add-on Number 3 - 40 QR <br /> <input type="checkbox" name="ch1" value="60" id="qr1" />Add-on Number 4 - 60 QR <br /> </div> <div> I want more add-ons <select id="more"

问题 The explanation is below the code: The code for HTML is : <div id="container"><h1>Add-ons</h1> <input type="checkbox" name="ch1" value="10" id="qr1" />Add-on Number 1 - 10 QR <br /> <input type="checkbox" name="ch1" value="20" id="qr1" />Add-on Number 2 - 20 QR <br /> <input type="checkbox" name="ch1" value="40" id="qr1" />Add-on Number 3 - 40 QR <br /> <input type="checkbox" name="ch1" value="60" id="qr1" />Add-on Number 4 - 60 QR <br /> </div> <div> I want more add-ons <select id="more"

问题 i have a listview which is having image, text and checkbox i have inflated this using BaseAdapter. i want to send only those images which are selected but how to store the state of checkbox ? may be i am wrong as i am using baseadapter. you can suggest any other way to do that. 回答1: please look below my Baseadapter class ImageInfoAdapter extends BaseAdapter{ @Override public int getCount() { if(viewcount == 0){ return 0; } return viewcount; } @Override public Object getItem(int position) {