?
Solved

Calculator help, buttons not working?

Posted on 2014-04-13
6
Medium Priority
?
152 Views
Last Modified: 2014-04-13
My buttons aren't working

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 Calculator2
{


    public partial class Form1 : Form
    {
        List<int> scores = new List<int>();
        private int Total = 0;
        private int Average = 0;
        public Form1()
        {
            InitializeComponent();
            TextBox[] tbs = new TextBox[] { txtTotal, txtCount, txtAverage };
            foreach (TextBox tb in tbs)
                tb.Enabled = false;
            txtScore.KeyPress += new KeyPressEventHandler(textBox1_KeyPress);
            txtScore.Focus();
        }
        private void textBox1_KeyPress(object sender, KeyPressEventArgs e)
        {
            if (e.KeyChar != (Char)Keys.Back && !Char.IsNumber(e.KeyChar))
                e.Handled = true;
            if (e.KeyChar == (Char)Keys.Enter)
                AddingNumbers();
        }
        private void btnAdd_Click(object sender, EventArgs e)
        {
            AddingNumbers();
        }

        private void AddingNumbers()
        {
            int ScoreInput;
            if (string.IsNullOrEmpty(txtScore.Text) || !int.TryParse(txtScore.Text, out ScoreInput))
            {
                txtScore.Focus();
                MessageBox.Show("Please enter a valid score", "Input Error");
                txtScore.Focus();
                return;
            }
            else if ((ScoreInput < 0) || (ScoreInput > 100))
            {
                txtScore.Focus();
                MessageBox.Show("The score must be between 0 and 100", "Input Error");
                txtScore.Focus();
                return;
            }
            scores.Add(20);
            int sum = 0;
            for (int i = 0; i < scores.Count; i++)
            {
                int score = scores[i];
                sum += score;
            }
            Total = ScoreInput + Total;
            Average = Total / scores.Count;
            txtTotal.Text = Total.ToString();
            txtAverage.Text = Average.ToString(string.Empty);
            txtCount.Text = scores.Count.ToString(string.Empty);
            txtScore.Text = string.Empty;
            txtScore.Focus();
        }
        private void btnDisplay_Click(object sender, EventArgs e)
        {
            scores.Sort();
            StringBuilder sb = new StringBuilder();
            for (int i1 = 0; i1 < scores.Count; i1++)
                sb.AppendLine(i1.ToString());
            MessageBox.Show(sb.ToString().Trim(), "Sorted Scores");
        }
        private void btnClear_Click(object sender, EventArgs e)
        {
            scores = null;
            TextBox[] tbs = new TextBox[] {txtScore, txtTotal, txtCount, txtAverage};
            foreach (TextBox tb in tbs)
                tb.Text = String.Empty;
            txtScore.Focus();
        }
        private void buttonExit_Click(object sender, EventArgs e)
        {
            this.Dispose();
        }
    }
}

Open in new window

0
Comment
Question by:ryanbecker24
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
  • 4
  • 2
6 Comments
 
LVL 75

Expert Comment

by:käµfm³d 👽
ID: 39997884
I see where you attached a handler for key presses here:

txtScore.KeyPress += new KeyPressEventHandler(textBox1_KeyPress);

Open in new window


Did you do the same for the buttons?
0
 

Author Comment

by:ryanbecker24
ID: 39997898
How do I do that?
0
 
LVL 75

Accepted Solution

by:
käµfm³d   👽 earned 2000 total points
ID: 39997929
btnAdd.Click += btnAdd_Click;
btnDisplay.Click += btnDisplay_Click;
btnClear.Click += btnClear_Click;

Open in new window

0
Industry Leaders: We Want Your Opinion!

We value your feedback.

Take our survey and automatically be enter to win anyone of the following:
Yeti Cooler, Amazon eGift Card, and Movie eGift Card!

 

Author Comment

by:ryanbecker24
ID: 39997935
I want to enter or click for the add button, but only click the others.
0
 

Author Comment

by:ryanbecker24
ID: 39997943
Thank you the buttons work now. My only problems now is that I want to display up to 10 numbers and also it's not displaying the numbers correctly. Anyway you could help me out with that?
0
 

Author Comment

by:ryanbecker24
ID: 39997950
Thank you the buttons work now. My only problems now is that I want to display up to 10 numbers and also it's not displaying the numbers correctly. Anyway you could help me out with that?
0

Featured Post

Independent Software Vendors: We Want Your Opinion

We value your feedback.

Take our survey and automatically be enter to win anyone of the following:
Yeti Cooler, Amazon eGift Card, and Movie eGift Card!

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Having just graduated from college and entered the workforce, I don’t find myself always using the tools and programs I grew accustomed to over the past four years. However, there is one program I continually find myself reverting back to…R.   So …
Performance in games development is paramount: every microsecond counts to be able to do everything in less than 33ms (aiming at 16ms). C# foreach statement is one of the worst performance killers, and here I explain why.
The goal of this video is to provide viewers with basic examples to understand and use conditional statements in the C programming language.
The viewer will be introduced to the technique of using vectors in C++. The video will cover how to define a vector, store values in the vector and retrieve data from the values stored in the vector.
Suggested Courses

764 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question