Остановите двойной вывод при запуске программы

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using System.Data.SqlClient;
using System.Data;
using System;
using System.Linq;
using System.Web.UI.WebControls;
using java.util;
using System.Configuration;
using Microsoft.VisualBasic;

namespace Intranet.WebApp.Feedback.Surveys.Survey
{
    public partial class Questions : System.Web.UI.Page
    {

        private bool InstanceFieldsInitialized = false;

        private Questions()
        {
            if (!InstanceFieldsInitialized)
            {
                InitializeInstanceFields();
                InstanceFieldsInitialized = true;
            }
        }

        private void InitializeInstanceFields()
        {
            r = User.Identity.Name;
        }

        private ArrayList @params = new ArrayList();
        string r;
        private ArrayList pklist = new ArrayList();

        //Dynamically Loads the Questions based off of the table.
        protected void Page_Load(object sender, System.EventArgs e)
        {
            //Questions Loaded

            string proc = "Question_Select";
            SqlConnection QuestionsConnection = new SqlConnection(ConfigurationManager.ConnectionStrings["Feedback-ConnectionString"].ConnectionString);
            SqlCommand QuestionsCommand = new SqlCommand(proc, QuestionsConnection);
            QuestionsCommand.CommandType = CommandType.StoredProcedure;
            SqlDataAdapter da = new SqlDataAdapter(QuestionsCommand);
            DataTable vTable = new DataTable();
            da.Fill(vTable);




            Table detailsTable = new Table();
            detailsTable.CellSpacing = 10;
            var i = 0;

            foreach (DataRow row in vTable.Rows)
            {
                var value = vTable.Rows[i][0].ToString();
                TableRow tRow = new TableRow();
                TableCell tCell1 = new TableCell();
                TableCell tCell2 = new TableCell();
                var pk = vTable.Rows[i][1].ToString();
                pklist.add(pk);

                Label myLabel = new Label();

                myLabel.CssClass = "bold";

                TextBox myText = new TextBox();

                myText.TextMode = TextBoxMode.MultiLine;
                myText.Columns = 40;
                myText.Rows = 4;
                myText.ID = "Box" + i;
                @params.add(myText.ID);

                myLabel.Text = string.Format("{0}. {1}", i + 1, value);
                tCell1.Controls.Add(myLabel);
                tCell2.Controls.Add(myText);
                tRow.Cells.Add(tCell1);
                tRow.Cells.Add(tCell2);

                detailsTable.Rows.Add(tRow);
                i += 1;
            }
            Panel1.Controls.Add(detailsTable);

        }


        //INSTANT C# WARNING: Strict 'Handles' conversion only applies to fields declared in the same class - the event will be wired in 'SubscribeToEvents':
        //ORIGINAL LINE: Protected Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
        protected void Button1_Click(object sender, EventArgs e)
        {

            //When a survey is completed, this method checks to see who completed the survey and insert them into a table.
            string proc2 = "User_Insert";
            SqlConnection ResponsesConnection2 = new SqlConnection(ConfigurationManager.ConnectionStrings["Feedback-ConnectionString"].ConnectionString);
            SqlCommand ResponsesCommand2 = new SqlCommand(proc2, ResponsesConnection2);
            ResponsesCommand2.CommandType = CommandType.StoredProcedure;

            ResponsesCommand2.Parameters.AddWithValue("@UserName", r);
            ResponsesConnection2.Open();
            ResponsesConnection2 = (SqlConnection)ResponsesCommand2.ExecuteScalar();

            //   Establish connection and set up command to use stored procedure
            string proc = "Responses_Insert";
            SqlConnection ResponsesConnection = new SqlConnection(ConfigurationManager.ConnectionStrings["Feedback-ConnectionString"].ConnectionString);
            SqlCommand ResponsesCommand = new SqlCommand(proc, ResponsesConnection);
            ResponsesCommand.CommandType = CommandType.StoredProcedure;

            ResponsesConnection.Open();
            var i = 0;
            for (int a = 0; a < @params.ToString().Count(); a++)
            {
                ResponsesCommand.Parameters.Clear();
                TextBox textbox = Panel1.FindControl(@params.ToString().ElementAt(a).ToString()) as TextBox;
                ResponsesCommand.Parameters.AddWithValue("@QuestionID", pklist.ToString().ElementAt(i).ToString());
                ResponsesCommand.Parameters.AddWithValue("@response", textbox.Text);
                ResponsesCommand.Parameters.AddWithValue("@UserName", r);
                ResponsesConnection = (SqlConnection)ResponsesCommand.ExecuteScalar();
                i += 1;

            }


            Microsoft.VisualBasic.Interaction.MsgBox("Thank you for completing the survey.", Microsoft.VisualBasic.MsgBoxStyle.MsgBoxSetForeground, "Survey Complete");



            Response.Redirect("../../../Default.aspx");

        }
        //Button to see if a person has chosen to be marked annonymous.
        //INSTANT C# WARNING: Strict 'Handles' conversion only applies to fields declared in the same class - the event will be wired in 'SubscribeToEvents':
        //ORIGINAL LINE: Protected Sub CheckBox1_CheckedChanged(sender As Object, e As EventArgs) Handles Checkbox1.CheckedChanged
        protected void CheckBox1_CheckedChanged(object sender, EventArgs e)
        {
            if (Checkbox1.Checked == false)
            {
                r = User.Identity.Name;
            }
            else
            {
                r = "Anonymous";
            }
        }
    }
}

Что я уже пробовал:

Я конвертирую Vb в C#. Я не могу понять, почему он печатает вопросы опроса дважды. Используется 3 различных преобразователя кода.

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