Quiz Question Answer with dynamic options using C# in ASP.Net

Hi irshad1231,

I have created sample for your reference. Refer the below sample code and modify as per your requirement.

SQL

CREATE TABLE QuestionTable(QuestionId INT NOT NULL,QuestionDescription NVARCHAR(500) NOT NULL)
INSERT INTO QuestionTable VALUES(1,'Who is the Prime minister of India')
INSERT INTO QuestionTable VALUES(2,'Capital City of Maharashtra')
INSERT INTO QuestionTable VALUES(3,'Maximum run in ODI by a batsman')

CREATE TABLE OptionTable(QuestionId INT NOT NULL,Options NVARCHAR(500) NOT NULL)
INSERT INTO OptionTable VALUES(1,'LK Advani')
INSERT INTO OptionTable VALUES(1,'Manmohan singh')
INSERT INTO OptionTable VALUES(1,'Sachin Tendulker')
INSERT INTO OptionTable VALUES(1,'N. Modi')
INSERT INTO OptionTable VALUES(2,'Delhi')
INSERT INTO OptionTable VALUES(2,'Mumbai')
INSERT INTO OptionTable VALUES(2,'Kolkata')
INSERT INTO OptionTable VALUES(3,'Ricky Pointing')
INSERT INTO OptionTable VALUES(3,'Sachin Tendulker')

CREATE TABLE AnswerTable(QuestionId INT NOT NULL,Answer NVARCHAR(500) NOT NULL)
INSERT INTO AnswerTable VALUES(1,'N. Modi')
INSERT INTO AnswerTable VALUES(2,'Mumbai')
INSERT INTO AnswerTable VALUES(3,'Sachin Tendulker')

HTML

<div>
    <div id="dvQuestion" runat="server">
        <h1>
            <asp:Label ID="lblQuestion" runat="server" />
        </h1>
        <asp:RadioButtonList ID="rbtnOptions" runat="server">
        </asp:RadioButtonList>
        <br />
        <asp:Button ID="btnNext" Text="Next" runat="server" OnClick="Next" />
    </div>
    <div id="dvResult" runat="server" visible="false">
        <h1>
            <asp:Label ID="lblResult" runat="server" />
        </h1>
    </div>
</div>

C#

private DataTable DataTableQuestions
{
    get { return (DataTable)ViewState["Questions"]; }
    set { ViewState["Questions"] = value; }
}
private int Score
{
    get { return (int)ViewState["Score"]; }
    set { ViewState["Score"] = value; }
}
static int QuestionId;
static int attemptCount = 0;
protected void Page_Load(object sender, EventArgs e)
{
    if (!IsPostBack)
    {
        Score = 0;
        QuestionId = 1;
        DataTableQuestions = PopulateQuestions();
        GetCurrentQuestion(QuestionId, PopulateQuestions());
    }
}

protected void Next(object sender, EventArgs e)
{
    if (QuestionId <= DataTableQuestions.Rows.Count)
    {
        if (rbtnOptions.SelectedIndex != -1)
        {
            string otionSelected = rbtnOptions.SelectedItem.Text.Trim();
            string correctAnswer = CorrectAnswer(QuestionId);

            if (otionSelected.ToLower() != correctAnswer.ToLower())
            {
                attemptCount++;
            }
            else
            {
                attemptCount = 0;
            }
            if (attemptCount == 1)
            {
                ClientScript.RegisterClientScriptBlock(this.GetType(), "", "alert('Answer is Wrong. Try Again')", true);
                GetCurrentQuestion(QuestionId, DataTableQuestions);
            }
            else
            {
                QuestionId++;
                if (otionSelected.ToLower() == correctAnswer.ToLower())
                {
                    Score++;
                    ClientScript.RegisterClientScriptBlock(this.GetType(), "", "alert('Answer is Correct')", true);
                }
                GetCurrentQuestion(QuestionId, DataTableQuestions);
                attemptCount = 0;
            }
        }
    }
}

private void GetCurrentQuestion(int questionId, DataTable dtQuestions)
{
    if (QuestionId <= dtQuestions.Rows.Count)
    {
        lblQuestion.Text = dtQuestions.Rows[questionId - 1]["QuestionDescription"].ToString();
        DataTable dtOptions = PopulateOptions(questionId);
        List<ListItem> options = new List<ListItem>();
        for (int i = 0; i < dtOptions.Rows.Count; i++)
        {
            options.AddRange(new ListItem[] { new ListItem(dtOptions.Rows[i][1].ToString(), i.ToString()) });
        }
        rbtnOptions.Items.Clear();
        rbtnOptions.Items.AddRange(options.ToArray());
        rbtnOptions.DataBind();
    }
    else
    {
        dvQuestion.Visible = false;
        dvResult.Visible = true;
        lblResult.Text = string.Format("You Scored {0}/{1}", Score, QuestionId - 1);
    }
}

private DataTable PopulateQuestions()
{
    DataTable dt = new DataTable();
    string constr = ConfigurationManager.ConnectionStrings["constr"].ConnectionString;
    using (SqlConnection con = new SqlConnection(constr))
    {
        using (SqlCommand cmd = new SqlCommand("SELECT QuestionId,QuestionDescription FROM QuestionTable", con))
        {
            using (SqlDataAdapter da = new SqlDataAdapter(cmd))
            {
                con.Open();
                da.Fill(dt);
                con.Close();
            }
        }
    }
    return dt;
}

private DataTable PopulateOptions(int questionId)
{
    DataTable dt = new DataTable();
    string constr = ConfigurationManager.ConnectionStrings["constr"].ConnectionString;
    using (SqlConnection con = new SqlConnection(constr))
    {
        using (SqlCommand cmd = new SqlCommand("SELECT QuestionId,Options FROM OptionTable WHERE QuestionId = @QuestionId", con))
        {
            cmd.Parameters.AddWithValue("@QuestionId", questionId);
            using (SqlDataAdapter da = new SqlDataAdapter(cmd))
            {
                con.Open();
                da.Fill(dt);
                con.Close();
            }
        }
    }
    return dt;
}

private string CorrectAnswer(int questionId)
{
    string answer = "";
    string constr = ConfigurationManager.ConnectionStrings["constr"].ConnectionString;
    using (SqlConnection con = new SqlConnection(constr))
    {
        using (SqlCommand cmd = new SqlCommand("SELECT Answer FROM AnswerTable WHERE QuestionId = @QuestionId", con))
        {
            cmd.Parameters.AddWithValue("@QuestionId", questionId);
            con.Open();
            answer = cmd.ExecuteScalar().ToString();
            con.Close();
        }
    }
    return answer;
}

Screenshot