Messages In This Thread

MindHACKer · Nov 20 2011, 01:28 PM

How to make it possible to use different Numeric Variables in the Input process:
As we all know the only control that could be used to enter input like "Characters & Numbers & ..etc" is the Text-box, the problem is that the program cant process mathematics processes because he thinks that the Text-box is a String only, that's why you get an error when you sub 2 numbers or divide others.

..this is a Sample on how to solve the issue:

Code:
float doc = Convert.ToSingle(textBox1.Text) / Convert.ToSingle(textBox3.Text);

textBox4.Text = doc.ToString();

So the main idea is to convert it back to string in the end.

Here is a full "Simple Calculator" i made from scratch...

Code:
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 hhhhh

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

        }

        private void button1_Click(object sender, EventArgs e)

        {

            switch (textBox2.Text)

            {

                case "":

                    MessageBox.Show("Enter +,-,*,/ Only");

                    break;

                default:

                    int x = Convert.ToInt32(textBox1.Text);

                    int y = Convert.ToInt32(textBox3.Text);

                    int z;

                    char t = Convert.ToChar(textBox2.Text);

                    switch (t)

                    {

                        case '+':

                            z = Convert.ToInt32(textBox1.Text) + Convert.ToInt32(textBox3.Text);

                            textBox4.Text = z.ToString();

                            break;

                        case '-':

                            z = Convert.ToInt32(textBox1.Text) - Convert.ToInt32(textBox3.Text);

                            textBox4.Text = z.ToString();

                            break;

                        case '*':

                            z = Convert.ToInt32(textBox1.Text) * Convert.ToInt32(textBox3.Text);

                            textBox4.Text = z.ToString();

                            break;

                        case '/':

                            float doc = Convert.ToSingle(textBox1.Text) / Convert.ToSingle(textBox3.Text);

                            textBox4.Text = doc.ToString();

                            break;

                    }

                    break;

            }

        }

        private void button2_Click(object sender, EventArgs e)

        {

            MessageBox.Show("NeptuneHACK!");

        }

    }

}

MindHACKer