使用jquery单击文本时如何更改文本的颜色？ [英] How do I change color of a text when click on it using jquery ?
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问题描述
我努力改变文字的颜色，点击它但没有取得成功。
有6个标签： - 一个用于提问，四个答案选项和一个正确的答案
当我点击四个选项中的任何一个时，它应该与正确的答案进行比较，如果答案是正确的，那么文本该选项应该变为绿色，否则它应该变为红色（如果答案不正确）。
但它不是那样发生的。我找不到原因。
查看我的代码。告诉我我犯错的地方和解决方案。
I am trying hard to change the color of a text after clicking on it but not getting success.
There are 6 labels :- one for question, four for answer options and one for correct ans
When I click on any of the four option then it should compare with the correct answer and if the answer is correct the the text of the option should turn to green otherwise it should turn to red(if answer is incorrect).
But it is not happening like that. I can't find out why.
Have a look at my code. Show me where I am making mistake and what is the solution.
我尝试过：
What I have tried:
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<link rel="stylesheet" href="http://code.jquery.com/ui/1.8.3/themes/base/jquery-ui.css" />
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script>
<script type="text/javascript" src="http://code.jquery.com/ui/1.8.3/jquery-ui.js"></script>
<script type="text/javascript">
var currentTab = 0;
$(function () {
$("#tabs").tabs({
select: function (e, i) {
currentTab = i.index;
}
});
});
$("#btnNext").live("click", function () {
var tabs = $('#tabs').tabs();
var c = $('#tabs').tabs("length");
currentTab = currentTab == (c - 1) ? currentTab : (currentTab + 1);
tabs.tabs('select', currentTab);
$("#btnPrevious").show();
if (currentTab == (c - 1)) {
$("#btnNext").hide();
} else {
$("#btnNext").show();
}
});
$("#btnPrevious").live("click", function () {
var tabs = $('#tabs').tabs();
var c = $('#tabs').tabs("length");
currentTab = currentTab == 0 ? currentTab : (currentTab - 1);
tabs.tabs('select', currentTab);
if (currentTab == 0) {
$("#btnNext").show();
$("#btnPrevious").hide();
}
if (currentTab < (c - 1)) {
$("#btnNext").show();
}
});
$(function () {
//$("#Panel2").hide();
document.getElementById('form1').onsubmit = function () {
return false;
}//Avoid Reloading
$(".panelButton").click(function () {
var $thisButton = $(this); //save button into a variable
var $ansPanel = $(this).parent().find('.AnswerPanel'); //save ans panel into a variable
if ($ansPanel.is(":hidden")) {
$ansPanel.show();
}
else {
$ansPanel.hide();
}
if ($thisButton.val() == "Show Answer") {
$thisButton.val("Hide Answer");
} else {
$thisButton.val("Show Answer");
}
});
$(".optionclass").click(function () {
var $thisoption = $(this);
var $corrans = $(".correctans");
if ($thisoption.val() == $corrans.val()) {
$thisoption.css("color", "green");
}
else {
$thisoption.css("color", "red");
}
});
});
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<div id="tabs">
<ul>
<li><a href="#tabs-1">Tab 1</a></li>
<li><a href="#tabs-2">Tab 2</a></li>
<li><a href="#tabs-3">Tab 3</a></li>
<li><a href="#tabs-4">Tab 4</a></li>
<li><a href="#tabs-5">Tab 5</a></li>
</ul>
<div id="tabs-1">
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="false" >
<Columns>
<asp:TemplateField>
<ItemTemplate>
<asp:Panel ID="Panel1" runat="server">
<asp:Label ID="Label1" runat="server" Text='<%#Eval("Question") %>'></asp:Label>
<br />
<br />
<br />
<span>A-</span> <asp:Label class="optionclass" ID="Label2" runat="server" Text='<%#Eval("Option1")%>'></asp:Label>
<br />
<br />
<span>B-</span> <asp:Label class="optionclass" ID="Label3" runat="server" Text='<%#Eval("Option2")%>'></asp:Label>
<br />
<br />
<span>C-</span> <asp:Label class="optionclass" ID="Label4" runat="server" Text='<%#Eval("Option3")%>'></asp:Label>
<br />
<br />
<span>D-</span> <asp:Label class="optionclass" ID="Label5" runat="server" Text='<%#Eval("Option4")%>'></asp:Label>
<br />
<br />
<asp:Button class="panelButton" runat="server" Text="Show Answer" ClientIDMode="Static" />
<br />
<asp:Panel ID="anspanel" class="AnswerPanel" runat="server" ClientIDMode="Static">
<span>Correct Answer is :-</span><asp:Label class="correctans" ID="Label6" runat="server" Text='<%#Eval("CorrectAns")%>'></asp:Label>
<br />
<br />
<asp:Label ID="Label7" runat="server" Text='<%#Eval("Explanation")%>'></asp:Label>
</asp:Panel>
</asp:Panel>
<br />
<br />
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
</div>
<div id="tabs-3">
Tab 3 Content
</div>
<div id="tabs-4">
Tab 4 Content
</div>
<div id="tabs-5">
Tab 5 Content
</div>
</div>
<input type="button" id="btnPrevious" value="Previous" style = "display:none"/>
<input type="button" id="btnNext" value="Next" />
</div>
</form>
</body>
</html>
.cs :-
.cs :-
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data.SqlClient;
using System.Data;
using System.Configuration;
public partial class Student_Test : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
GridView1.DataSource = GetData("SELECT top 2 Question, Option1, Option2, Option3, Option4, CorrectAns, Explanation FROM Questions");
GridView1.DataBind();
foreach (GridViewRow row in GridView1.Rows)
{
if (row.RowType == DataControlRowType.DataRow)
{
Panel panel1 = (Panel)row.FindControl("Panel1");
Panel anspanel = (Panel)panel1.FindControl("anspanel");
anspanel.Style.Add("display", "none");
}
}
}
private DataSet GetData(string query)
{
string conString = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;
SqlCommand cmd = new SqlCommand(query);
using (SqlConnection con = new SqlConnection(conString))
{
using (SqlDataAdapter sda = new SqlDataAdapter())
{
cmd.Connection = con;
sda.SelectCommand = cmd;
using (DataSet ds = new DataSet())
{
sda.Fill(ds);
return ds;
}
}
}
}
}推荐答案
(function () {
(\"#tabs\").tabs({
select: function (e, i) {
currentTab = i.index;
}
});
});
("#tabs").tabs({ select: function (e, i) { currentTab = i.index; } }); });
(\"#btnNext\").live(\"click\", function () {
var tabs =
("#btnNext").live("click", function () { var tabs =
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