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POhow to show pictures by radio button list?
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  1. POhow to show pictures by radio button list?
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    copied!<p>I have a project that I want show one record from DB by radio button list.and after selecting one option and click on Next button next record loads.this is my Html code :</p> <pre><code>&lt;table style ="width :800px"&gt; &lt;tr&gt; &lt;td style="width: 100px"&gt; &lt;asp:Image ID="Image1" runat="server" ImageUrl="~/images/stdents12.jpeg" /&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td style="width: 100px"&gt; &lt;table style="width: 950px" id="TABLE1" onclick="return TABLE1_onclick()"&gt; &lt;tr&gt; &lt;td colspan="8" style="color: white; height: 21px; background-color: #3366ff"&gt; &lt;asp:Label ID="Label1" runat="server" Font-Bold="True" Text="Test No :" Width="82px"&gt;&lt;/asp:Label&gt; &lt;asp:Label ID="TestNo" runat="server" Text="Label" Width="100px"&gt;&lt;/asp:Label&gt;&lt;asp:Label ID="Label2" runat="server" Font-Bold="True" Text="Test Name :" Width="84px"&gt;&lt;/asp:Label&gt; &lt;asp:Label ID="TestName" runat="server" Text="Name Of the Test" Width="501px"&gt;&lt;/asp:Label&gt;&lt;asp:Label ID="Label3" runat="server" Font-Bold="True" Text="Question :"&gt;&lt;/asp:Label&gt; &lt;asp:Label ID="Question" runat="server" Text="N of T" Width="52px"&gt;&lt;/asp:Label&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td style="width: 23px" rowspan="5"&gt; &lt;/td&gt; &lt;td style="width: 100px; height: 1px;"&gt; &amp;nbsp;&lt;/td&gt; &lt;td style="width: 100px; height: 1px;"&gt; &lt;/td&gt; &lt;td style="width: 100px; height: 1px;"&gt; &lt;/td&gt; &lt;td style="width: 100px; height: 1px;"&gt; &lt;/td&gt; &lt;td style="width: 100px; height: 1px;"&gt; &lt;/td&gt; &lt;td style="width: 100px; height: 1px;"&gt; &lt;/td&gt; &lt;td style="width: 100px; height: 1px;"&gt; &lt;div class="timerCss"&gt; &lt;asp:Label ID="lblTimerCount" runat="server" Height="5px" Width="232px"&gt;&lt;/asp:Label&gt;&amp;nbsp;&lt;/div&gt; &lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td colspan="7" align="right"&gt; &lt;asp:Image ID="Image2" runat="server" /&gt; &lt;asp:Label ID="Questionlbl" runat="server" Height="66px" Text="Label" Width="317px"&gt;&lt;/asp:Label&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td colspan="7"&gt; &amp;nbsp;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td colspan="7"&gt; &lt;asp:RadioButtonList ID="RadioButtonList1" runat="server" RepeatDirection="Horizontal"&gt; &lt;/asp:RadioButtonList&gt; &lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td style="width: 100px; height: 12px;"&gt; &amp;nbsp;&lt;/td&gt; &lt;td style="width: 100px; height: 12px;"&gt; &lt;/td&gt; &lt;td style="width: 100px; height: 12px;"&gt; &lt;/td&gt; &lt;td style="width: 100px; height: 12px;"&gt; &lt;/td&gt; &lt;td style="width: 100px; height: 12px;"&gt; &lt;/td&gt; &lt;td style="width: 100px; height: 12px;"&gt; &lt;asp:Button ID="Button2" runat="server" Text="Skip" Width="55px" /&gt;&lt;/td&gt; &lt;td style="width: 100px; height: 12px;"&gt; &lt;asp:Button ID="BtnNext" runat="server" onclick="BtnNext_Click" Text="Next" Width="70px" /&gt; &lt;/td&gt; &lt;/tr&gt; &lt;/table&gt; &lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td style="background-color: silver;" class="style1"&gt; &lt;/td&gt; &lt;/tr&gt; &lt;/table&gt; </code></pre> <p>and this is my code behind page:</p> <pre><code>void Page_PreRender(object sender, EventArgs e) { OnlineExamEntities context = new OnlineExamEntities(); StringBuilder bldr = new StringBuilder(); bldr.AppendFormat("var Timer = new myTimer({0},{1},'{2}','timerData');", this.timerStartValue, this.TimerInterval, this.lblTimerCount.ClientID); bldr.Append("Timer.go()"); ClientScript.RegisterStartupScript(this.GetType(), "TimerScript", bldr.ToString(), true); ClientScript.RegisterHiddenField("timerData", timerStartValue.ToString()); ///////////////////////////// List&lt;int&gt; a = (List&lt;int&gt;)Session["QnumList"]; List&lt;string&gt; resulttemp = new List&lt;string&gt;(); int j = a[Convert.ToInt32(Session["Click"].ToString())]; var q3 = ((from c in context.questions orderby c.QID where c.QID == j select c)).SingleOrDefault(); resulttemp.Add(q3.trueAns.ToString()); Session["result"] = resulttemp; Questionlbl.Text = q3.Question1.ToString(); Image2.ImageUrl = q3.ans4.ToString(); RadioButtonList1.Items.Clear(); string ans1, ans2, ans3; ans1 = q3.ans1.ToString(); ans2 = q3.ans2.ToString(); ans3 = q3.ans3.ToString(); RadioButtonList1.Items.Add(String.Format("&lt;img src='{0}'&gt;", ans1)); RadioButtonList1.Items.Add(String.Format("&lt;img src='{0}'&gt;", ans2)); RadioButtonList1.Items.Add(String.Format("&lt;img src='{0}'&gt;", ans3)); } </code></pre> <p>and when I choose one option and click Next button to load another record I get this error :</p> <p>*<strong>A potentially dangerous Request.Form value was detected from the client (RadioButtonList1="*</strong></p> <p>I adjusted Validate Request ="false" but it's not working.</p>
 

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