I am doing an online exam project in asp.net. options are listing in radiobuttonlist. Problem is on clicking next and previous button the selection is not maintaing ,Again it wants to be selected....

Question

2.00/5 (1 vote)

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This is my code.

C#

public void GetNextQuestion(int next)
   {
       dt = (DataTable)ViewState["Datatable"];
       dr = dt.Rows[next];
       lblQuestion.Text = "Q." + Session["counter"] + "  " + dr["Qn"].ToString();
      // RblOption.ClearSelection();
       RblOption.Items.Clear();
       RblOption.Items.Add(dr["option1"].ToString());
       RblOption.Items.Add(dr["option2"].ToString());
       RblOption.Items.Add(dr["option3"].ToString());
       RblOption.Items.Add(dr["option4"].ToString());
       //CheckAnswer();



//       Session["RblOption"] = (string)RblOption.SelectedValue;

   }

C#

public void GetPrevQuestion(int prev)
    {
        dt = (DataTable)ViewState["Datatable"];
        dr = dt.Rows[prev];
        //Session["RblOption"] = (string)RblOption.SelectedValue;
        //RblOption.SelectedValue = (string)Session["RblOption"];
        lblQuestion.Text = "Q." + Session["counter"] + "  " + dr["Qn"].ToString();
       // RblOption.ClearSelection();
        RblOption.Items.Clear();
        RblOption.Items.Add(dr["option1"].ToString());
        RblOption.Items.Add(dr["option2"].ToString());
        RblOption.Items.Add(dr["option3"].ToString());
        RblOption.Items.Add(dr["option4"].ToString());




        if (prev != 0)
        {
            BtnPrev.Visible = true;
        }
        BtnNext.Visible = true;
    }

Posted 5-May-14 18:24pm

KALYANI BIBIN

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KALYANI BIBIN 6-May-14 0:36am

Wat should i do to maintain the selection in radiobutton if it has already selected. I am just a beginner to project. So pls help me.

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MNamrata · Accepted Answer · 2014-05-05T18:42:00

Solution 1

You need to store previous or next question answer in somewhere so that you can fetch it whenever required. In my project I saved it in database.

Posted 5-May-14 18:42pm

MNamrata

Comments

KALYANI BIBIN 6-May-14 0:44am

yes i have stored it in db table with columns QuestionId,UserOption(int),
User_Id . but how it should use?

MNamrata 6-May-14 0:55am

See when user not attempted question there is no entry in database when he answered question then we will get record against that questionID. It means when I click on answered question then send that questionid to db and fetch answer and bind it to radiobuttonlist.

ds=GetAnswers(UserID,QuestionID,ExamID);

rbl.DataSource = ds.tables[0];
rbl.DataTextField = "OptionName";
rbl.DataValueField = "QOptionID";
rbl.DataBind();

KALYANI BIBIN 6-May-14 3:25am

i have tried it but not getting item as selected.
it tried the below code to make the option as selected
RblOption.SelectedIndex = x;
x is the userOption column in database table. x is getting the value from database. But RblOption.SelectedIndex is still -1.

MNamrata 6-May-14 4:58am

foreach (ListItem li in rbl.Items)
{
if (li.Value == X)
{
li.Selected = true;
break;
}
}

KALYANI BIBIN 9-May-14 2:01am

Yes i got it. Thanks namratamane .

MNamrata 9-May-14 2:09am

You are welcome!
If you solved problem by my solution then plz accept my answer.

KALYANI BIBIN 9-May-14 2:11am

OK..

Member 10575434 14-Dec-15 4:06am

hi, i have to make a online exam website using asp.net like you ..can please send you r code me/? ...