ASP.NET Listview Updating ve Deleting Çalışmıyor

<asp:ScriptManager ID="smQ" runat="server"></asp:ScriptManager>
    <asp:UpdatePanel ID="questionUP" runat="server" UpdateMode="Conditional">
        <ContentTemplate>   
      <asp:ListView ID="questionlist" runat="server" AutoPostBack="true" onitemupdating="questionlist_ItemUpdating" onitemdeleting="questionlist_ItemDeleting" OnItemDataBound="questionlist_ItemDataBound">
                        <LayoutTemplate>
                        <asp:PlaceHolder runat="server" ID="itemPlaceholder">
    <div ID="itemPlaceholderContainer" runat="server">

     </div>

    </asp:PlaceHolder>
                    </LayoutTemplate>
          <ItemTemplate> 
              <asp:Panel CssClass="question" runat="server">    

                    <div class="exactly" runat="server">
                        
                        <asp:Button ID="exactly2" Text="" runat="server" CommandName="" />
                        <asp:Label ID="exactlynum" CssClass="exactlylbl" Text='' runat="server" />
                    </div>
                    <div class="questiontitle">
                        <asp:Label ID="questionID" Text='<%# Eval("ID") %>' runat="server"/>
                        <a href="s.aspx?ID=<%# Eval("ID")%>" class="questiontitlelbl" ><%# Eval("questionTitle").ToString().Substring(0,Math.Min(52,Eval("questionTitle").ToString().Length)) %></a>
                        
                    </div>
                    <div class="questionview" runat="server">
                        <div class="qaimg"><img width="16" src="e.png" /></div>
                        <a><asp:Label ID="viewlbl" CssClass="qaviewlbl" Text='<%#Eval("questionView")%>' runat="server" /></a>
                    </div>
                    
                    <div class="questionanswer" runat="server">
                        <div class="qaimg"><img width="16" src="p.png" /></div>
                        <a><asp:Label ID="answerlbl" CssClass="qaviewlbl" Text='<%#Eval("questionAnswer")%>' runat="server" /></a>
                    </div>
                    <div class="questiondate" runat="server">
                        <div class="calendar"><i class="fa fa-calendar-o"></i></div>
                        <a><asp:Label ID="questiondate" CssClass="questiondatelbl" Text='<%#Bind("questionDate", "{0:dd-M-yyyy}")%>' runat="server" /></a>
                    </div>
               </asp:Panel>
</ItemTemplate>
                    </asp:ListView>
            </ContentTemplate>
    </asp:UpdatePanel>

MySqlConnection cn = new MySqlConnection("Server=; Database=; Uid=; Password=;");
        MySqlCommand cmd = new MySqlCommand();
        MySqlDataReader dr;

        private void question()
        {
            

            cmd = new MySqlCommand("Select * from question order by ID desc", cn);

            cn.Open();

            dr = cmd.ExecuteReader();
            questionlist.DataSource = dr;
            questionlist.DataBind();

            cn.Close();
           
        }
        protected void Page_Load(object sender, EventArgs e)
        {
            question();
           
            
        }

        protected void questionlist_ItemUpdating(object sender, ListViewUpdateEventArgs e)
        {
            bool z;
            Label questionID = (questionlist.Items[e.ItemIndex].FindControl("questionID")) as Label;
            Label questionPlus = (questionlist.Items[e.ItemIndex].FindControl("exactlynum")) as Label;
            Button exactly2 = (questionlist.Items[e.ItemIndex].FindControl("exactly2")) as Button;
            //ImageButton exactly = (questionlist.Items[e.ItemIndex].FindControl("exactly")) as ImageButton;

            cmd = new MySqlCommand("Select * FROM questionLike WHERE questionID=@qID AND userID=@uID", cn);
            cmd.Parameters.AddWithValue("@qID", questionID.Text);
            cmd.Parameters.AddWithValue("@uID", Session["userID"]);
            cn.Open();
            dr = cmd.ExecuteReader();
            if (dr.Read())
            {
                z = true;
            }
            else
            {
                z = false;
            }
            cn.Close();

            if (z == false && Session["userID"] != null)
            {
                if (exactly2.CommandName == "Update")
                {
                    string cmds = string.Format("Insert into questionLike(questionID, userID) values(@qID, @uID)");
                    cmd = new MySqlCommand(cmds, cn);
                    cmd.Parameters.AddWithValue("@qID", questionID.Text);
                    cmd.Parameters.AddWithValue("@uID", Session["userID"]);
                    cn.Open();
                    cmd.ExecuteNonQuery();
                    exactly2.Text = "Vazgeç";
                    exactly2.CommandName = "Delete";
                    cn.Close();
                }
            }
            int uQPLus = -1;
            cmd = new MySqlCommand("select count(userID) from questionLike where questionID=@qID", cn);
            cmd.Parameters.AddWithValue("@qID", questionID.Text);
            cn.Open();
            uQPLus = Convert.ToInt32(cmd.ExecuteScalar());
            questionPlus.Text = uQPLus.ToString();
            cn.Close();

      
        }

        protected void questionlist_ItemDeleting(object sender, ListViewDeleteEventArgs e)
        {
            
            Label questionID = (questionlist.Items[e.ItemIndex].FindControl("questionID")) as Label;
            Label questionPlus = (questionlist.Items[e.ItemIndex].FindControl("exactlynum")) as Label;
            Button exactly2 = (questionlist.Items[e.ItemIndex].FindControl("exactly2")) as Button;
            //ImageButton exactly = (questionlist.Items[e.ItemIndex].FindControl("exactly")) as ImageButton;

            if (exactly2.CommandName == "Delete")
            {
                cmd = new MySqlCommand("DELETE FROM questionLike WHERE userID=@uID AND questionID=@qID", cn);
                cmd.Parameters.AddWithValue("@uID", Session["userID"]);
                cmd.Parameters.AddWithValue("@qID", questionID.Text);
                cn.Open();
                cmd.ExecuteNonQuery();
                exactly2.Text = "Beğen";
                exactly2.CommandName = "Update";
                cn.Close();
            }
            int uQPLus = -1;
            cmd = new MySqlCommand("select count(userID) from questionLike where questionID=@qID", cn);
            cmd.Parameters.AddWithValue("@qID", questionID.Text);
            cn.Open();
            uQPLus = Convert.ToInt32(cmd.ExecuteScalar());
            questionPlus.Text = uQPLus.ToString();
            cn.Close();

        }

        protected void questionlist_ItemDataBound(object sender, ListViewItemEventArgs e)
        {
            Label questionID = (Label)e.Item.FindControl("questionID");
            Label questionPlus = (Label)e.Item.FindControl("exactlynum");
            Button exactly2 = (Button)e.Item.FindControl("exactly2");
        
           
            //ImageButton exactly = (ImageButton)e.Item.FindControl("exactly");

            MySqlConnection cn2 = new MySqlConnection("Server=; Database=; Uid=; Password=;");
            MySqlCommand cmd2 = new MySqlCommand();
            MySqlDataReader dr2;


            int uQPLus = -1;
            cmd2 = new MySqlCommand("select count(userID) from questionLike where questionID=@qID", cn2);
            cmd2.Parameters.AddWithValue("@qID", questionID.Text);
            cn2.Open();
            uQPLus = Convert.ToInt32(cmd2.ExecuteScalar());
            questionPlus.Text = uQPLus.ToString();
            cn2.Close();

            cmd2 = new MySqlCommand("Select * from questionLike where questionID=@qID and userID=@uID", cn2);
            cmd2.Parameters.AddWithValue("@uID", Session["userID"]);
            cmd2.Parameters.AddWithValue("@qID", questionID.Text);
            cn2.Open();
            dr2 = cmd2.ExecuteReader();

            if (dr2.Read())
            {
                exactly2.Text = "Vazgeç";
                exactly2.CommandName = "Delete";


            }
            else
            {
                exactly2.Text = "Beğen";
                exactly2.CommandName = "Update";

            }

            cn2.Close();

      

        }