to Display list<string> in repeator inside data list control

Question

hello I have a session variable "question" whose fields are of type string ques , string qtype, list correctans, listyourans.
now i have to display the question with all values,
i have pased question through session variable , in datalist control, but since two fields are of list , it is giving error,
can you plz guide how should i display a question in datalist with list type field.

 

C# Code
exam = (Examination)Session["questions"];
Examination exam = (Examination)Session["Question"];
DataList1.DataSource = exam.questions;
DataList1.DataSource = exam.questions;
DataList1.DataBind();

 

aspx page
 

<asp:DataList ID="DataList1" runat="server" Width="100%">

<HeaderTemplate>

<a href="showresult.aspx">Show Result</a>

<h2>Review Questions</h2>

<hr size="5" style="color: red" />

</HeaderTemplate>

<ItemTemplate>

<pre style="color: Red; background-color: #eeeeee"><%# DataBinder.Eval( Container.DataItem,"QuestionText")%></pre>

<pre>1.<%# DataBinder.Eval( Container.DataItem,"Answer1") %></pre>

<pre>2.<%# DataBinder.Eval( Container.DataItem,"Answer2") %></pre>

<pre>3.<%# DataBinder.Eval( Container.DataItem,"Answer3") %></pre>

<pre>4.<%# DataBinder.Eval( Container.DataItem,"Answer4") %></pre>

</ItemTemplate>

<ItemTemplate>

<pre>Correct Answer :</pre>

<asp:Repeater ID="Repeater1" runat="server" >

<ItemTemplate>

<span><%# DataBinder.Eval( Container.DataItem,"cans") %></span>

</ItemTemplate>

</asp:Repeater>

</ItemTemplate>

<SeparatorTemplate>

<hr size="2" style="color: Red" />

</SeparatorTemplate>

<FooterTemplate>

<hr size="5" style="color: red" />

<a href="showresult.aspx">Show Result</a>

</FooterTemplate>

</asp:DataList>