我的Windows窗体上的按钮不工作.Visual studio在我的代码中没有显示任何错误

我有一个平均计算器Windows窗体应用程序，询问用户他们想要输入多少分数。一个文本框接受输入，一旦他们点击OK，他们输入的数字就会变成文本框，供他们在其中输入分数。一旦文本框被填充，他们可以点击计算来计算显示给他们的平均值。

我的问题是，当我在文本框中输入一个数字，然后点击OK，没有任何反应。

请帮忙，这是我的代码。

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace AverageCalculator
{
public partial class AverageCalculator : Form
{
    //Private instance variable, Scores, which is an array of TextBox objects.
    //Do not instantiate the array.
    private TextBox[] Scores;
    // Create a Form_Load event hadler
    private void Form_Load(object sender, EventArgs e)
   {
        // Set the visible property of btnCalculate to false
        btnCalculate.Visible = false;
    } // end Form_Load event handler
    //Create the Click event handler for the OK button
    private void btnOK_Click(object sender, EventArgs e)
    {
        // Declare an integer, intNumTextBoxes
       int intNumTextBoxes;
        //Store the number of text boxes to be created into the integer
        intNumTextBoxes = Convert.ToInt32(txtNumScores.Text);
        // Set the height of the form to 500 pixels
        this.Height = 500;
        // Set the visible property of btnCalculate to true
        btnCalculate.Visible = true;
        // Set the enabled property of btnOK to false
        btnOK.Enabled = false;
        // Call CreateTextBoxes and pass it the integer, intNumTextBoxes as a parameter
        CreateTextBoxes(intNumTextBoxes);
    }
    // CreateTextBoxes method
    private void CreateTextBoxes(int number)
    {
        //Instantiate the Scores array and use the parameter "number" as the size of the array
        Scores = new TextBox[number];
        //Declare an integer, intTop, with an initial value of 150
        int intTop = 150;
        //Loop through the entire array, Scores
        for (int i = 0; i < Scores.Length; i++)
        {
            // Instantiate a new TextBox using the default
            // constructor and assign it to the current element 
            // of the Scores array
            Scores[i] = new TextBox();
            // Set the left property of the TextBox to 20.
            Scores[i].Left = 20;
            // Set the Top property of the Textbox to intTop
            Scores[i].Top = intTop;
            // Increment intTop by 50
            intTop += 50;
            // Ad the TextBox to the controls collection of the Form
            this.Controls.Add(Scores[i]);
        } // end for loop
    } // end CreateTextBoxes method
    // Create the Click event handler for the btnCalculate button
    private void btnCalculate_Click(object sender, EventArgs e)
    {
    }
    public AverageCalculator()
    {
        InitializeComponent();
    }
}

}

btnOK.Click +=(s,e)=>{MessageBox.Show("Foo");};