checkboxlist

问题 I have tried all the sollutions in similar cases that I found, but with no luck. My jsp. <s:checkboxlist list = "positionsMap" listKey = "%{key.toString()}" listValue = "%{value}" name = "selectedPositions" value = "positionName" label = "Position" /> positionsMap is a Hashmap with key positionId and value positionName . selectedPositions is a list filled with the prechecked positions. Tested with debugger and has the correct value taken from database. positions is a list with id and name. So

问题 I'm trying to create an event app where each event has multiple tables and each table has multiple people sitting at a table the event has multiple tickets which map the people to the tables that they are sitting at -> in order to achieve this I have created a checkbox nested in the fields_for :tables (which is in turn in the event form) I presume something is wrong with either the strong parameters or the form itself but I have not been able to find any information that provides a solution

问题 I'm trying to create an event app where each event has multiple tables and each table has multiple people sitting at a table the event has multiple tickets which map the people to the tables that they are sitting at -> in order to achieve this I have created a checkbox nested in the fields_for :tables (which is in turn in the event form) I presume something is wrong with either the strong parameters or the form itself but I have not been able to find any information that provides a solution

问题 Could you help me understand what is going on here. I consulted Javadoc: JFrame has setLayout method. So, what sharing error springs out is a mystery to me. public class View extends JFrame { public View(){ // LayoutManager for the whole frame. this.setLayout(new BoxLayout(this, BoxLayout.X_AXIS)); } } Result Exception in thread "main" java.awt.AWTError: BoxLayout can't be shared at javax.swing.BoxLayout.checkContainer(BoxLayout.java:465) at javax.swing.BoxLayout.invalidateLayout(BoxLayout

问题 Could you help me understand what is going on here. I consulted Javadoc: JFrame has setLayout method. So, what sharing error springs out is a mystery to me. public class View extends JFrame { public View(){ // LayoutManager for the whole frame. this.setLayout(new BoxLayout(this, BoxLayout.X_AXIS)); } } Result Exception in thread "main" java.awt.AWTError: BoxLayout can't be shared at javax.swing.BoxLayout.checkContainer(BoxLayout.java:465) at javax.swing.BoxLayout.invalidateLayout(BoxLayout

问题 I have tow drop downs as below. <select id="checkOwner" multiple="multiple" onchange="copyValue1(this)"> <option value="FirstName">First Name</option> <option value="SecondName">Last Name</option> </select> <select id="checkMember" multiple="multiple" onchange="copyValue2(this)> <option value="FirstName">First Name</option> <option value="SecondName">Last Name</option> </select> I have below javascript to print selected multiple values from dropdowns. function copyValue() { var str = ""; for

问题 In my page I have a CheckBoxList control and I have 7 items on it. I would like to set those 7 items as checked in my Page_load codebihind. my page: <asp:CheckBoxList ID="WeeklyCondition" runat="server"> <asp:ListItem Value="1">Sat</asp:ListItem> <asp:ListItem Value="2">Sun</asp:ListItem> <asp:ListItem Value="3">Mon</asp:ListItem> <asp:ListItem Value="4">Tue</asp:ListItem> <asp:ListItem Value="5">Wed</asp:ListItem> <asp:ListItem Value="6">Thu</asp:ListItem> <asp:ListItem Value="7">Fri</asp

问题 i have a Questions model and Answers model in which Question to Answer is one-many relation. How do i implement checkboxlist in Yii2 so that it will display in a form as follows： Form: Question 1 description [checkbox] Answer 1 description [checkbox] Answer 2 description Question 2 Description [checkbox] Answer 3 description [checkbox] Answer 4 description Question 3 Description [checkbox] Answer 5 description [checkbox] Answer 6 description [Save button] When i click save and for eg. Answer

问题 i have a Questions model and Answers model in which Question to Answer is one-many relation. How do i implement checkboxlist in Yii2 so that it will display in a form as follows： Form: Question 1 description [checkbox] Answer 1 description [checkbox] Answer 2 description Question 2 Description [checkbox] Answer 3 description [checkbox] Answer 4 description Question 3 Description [checkbox] Answer 5 description [checkbox] Answer 6 description [Save button] When i click save and for eg. Answer

问题 I am having a form in a view page that looks as below: <form runat="server" id="dcrsubmit"> <asp:CheckBoxList ID="CheckBoxList1" runat="server"> <asp:ListItem>test1</asp:ListItem> <asp:ListItem>test2</asp:ListItem> <asp:ListItem>test3</asp:ListItem> <asp:ListItem>test4</asp:ListItem> <asp:ListItem>test5</asp:ListItem> <asp:ListItem>test6</asp:ListItem> </asp:CheckBoxList> ....other controls </form> Now when the form is posted, I am trying to retrieve the values submitted in the controller as