我希望从表中获取下一条记录显示为Question。使用以下代码，我无法从表格中获得下一个Question。
protected void Page_Load(object sender, EventArgs e)
{
if (Page.IsPostBack == false)
{
Quiz_Load();
}
}
private void Quiz_Load()
{
try
{
if (Session["UserQuizID"] != null)
{
string mayank = "mm.bhagat";
string UserQuiz_ID = Session["UserQuizID"].ToString();
SqlConnection con = new SqlConnection(c);
SqlCommand cmd = new SqlCommand("select top 0.1 percent QuestionID, Title, Answer1,Answer2,Answer3,Answer4,UserAnswer from [Table_UserAnswer] WHERE UserQuizID = '" + UserQuiz_ID.ToString() + "' AND UserName = '" + mayank.ToString() + "' order by newid()", con);
con.Open();
SqlDataReader dr = cmd.ExecuteReader();
if (dr.Read())
{
Session["QuestionID"] = dr[0].ToString();
Lbl_QuestionTitle.Text = dr[1].ToString();
RadBut_Answer.Items.Add(dr[2].ToString());
RadBut_Answer.Items.Add(dr[3].ToString());
RadBut_Answer.Items.Add(dr[4].ToString());
RadBut_Answer.Items.Add(dr[5].ToString());
Session["UserAnswer"] = dr[6].ToString();
}
else
{
}
con.Close();
}
else
{
Response.Redirect("Start.aspx");
}
}
catch
{
}
}
protected void RadBut_Answer_SelectedIndexChanged(object sender, EventArgs e)
{
try
{
int getvalue;
getvalue = Convert.ToInt32(RadBut_Answer.SelectedIndex + 1);
Lbl_SelectedAnsMsg.Text = MessageFormatter.GetFormattedAlertsMessage("Your Selected Answer is : " + getvalue.ToString());
Session["UserAnswer"] = getvalue.ToString();
}
catch
{
}
}
protected void But_Next_Click(object sender, EventArgs e)
{
UpdateUserAns();
if (Session["UserAnswer"] == null)
{
Response.Redirect("Result.aspx");
}
else
{
}
}
private void UpdateUserAns()
{
try
{
string mayank = "mm.bhagat";
string UserQuiz_ID = Session["UserQuizID"].ToString();
string Question_ID = Session["QuestionID"].ToString();
string User_Answer = Session["UserAnswer"].ToString();
SqlConnection con = new SqlConnection(c);
SqlCommand cmd = new SqlCommand("UPDATE Table_UserAnswer SET UserAnswer='" + User_Answer.ToString() + "' WHERE UserQuizID = '"+ UserQuiz_ID.ToString() +"' AND QuestionID = '"+Question_ID.ToString()+"' AND UserName = '"+mayank.ToString()+"'", con);
con.Open();
cmd.ExecuteNonQuery();
con.Close();
cmd.Cancel();
}
catch
{
}
}