eswar rao

eswar rao

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how to get previous question by using below code..

Dec 14 2015 4:13 AM
hi, friends i want to get previous question when i am click on previous button , i got a next question but i can not do for previous question so please write a cod or give a refer url to me.... i hope you understand my problem...Thank you.i am waiting for your reply
 
protected void btn_next_Click(object sender, EventArgs e)
{
getNextQuestion();
}
protected void btn_startexam_Click(object sender, EventArgs e)
{
btn_startexam.Visible = false;
Panel1.Visible = true;
int score = Convert.ToInt32(txtScore.Text);
lblScore.Text = "Score : " + Convert.ToString(score);
Session["counter"] = "1";
Random rnd = new Random();
int i = rnd.Next(1, 10);//Here specify your starting slno of question table and ending no.
getQuestion(i);
}
public void getQuestion(int no)
{
string str = "select * from Question where slNo=" + no + "";
SqlDataAdapter da2 = new SqlDataAdapter(str, sqlconn);
DataSet ds2 = new DataSet();
da2.Fill(ds2, "Question");
if (ds2.Tables[0].Rows.Count > 0)
{
DataRow dtr;
int i = 0;
while (i < ds2.Tables[0].Rows.Count)
{
dtr = ds2.Tables[0].Rows[i];
Session["Answer"] = Convert.ToString(Convert.ToInt32(dtr["Correct"].ToString()) - 1);
lblQuestion.Text = "Q." + Session["counter"].ToString() + " " + dtr["Question"].ToString();
RblOption.ClearSelection();
RblOption.Items.Clear();
RblOption.Items.Add(dtr["Option1"].ToString());
RblOption.Items.Add(dtr["Option2"].ToString());
RblOption.Items.Add(dtr["Option3"].ToString());
RblOption.Items.Add(dtr["Option4"].ToString());
i++;
}
}
}
 
public void getNextQuestion()
{
if (Convert.ToInt32(Session["counter"].ToString()) < 10)//10 is a counter which is used for 10 questions
{
if (RblOption.SelectedIndex >= 0)
{
if (Session["Answer"].ToString() == RblOption.SelectedIndex.ToString())
{
int score = Convert.ToInt32(txtScore.Text) + 1;// 1 for mark for each question
txtScore.Text = score.ToString();
lblScore.Text = "Score : " + Convert.ToString(score);
}
}
Random rnd = new Random();
int i = rnd.Next(1, 10);
//lblQuestion.Text = i.ToString();
getQuestion(i);
Session["counter"] = Convert.ToString(Convert.ToInt32(Session["counter"].ToString()) + 1);
}
else
{
Panel2.Visible = false;
//code for displaying after completting the exam, if you want to show the result then you can code here.
}
}
 
 
 
 
public void GetPrevQuestion(int prev)
{
write your code for me...

Answers (8)