2010年10月22日 星期五

33333333

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 WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        System.Windows.Forms.TextBox[] textboxs;
        int[,] a = new int[5, 5];
        int[,] b = new int[5, 5];
        int[,] c = new int[5, 5];
        public Form1()
        {
            InitializeComponent();
        }
        private void Form1_Load(object sender, EventArgs e)
        {
            textboxs = new System.Windows.Forms.TextBox[48];
            for (int j = 0; j < 48; j++)
            {
                textboxs[j] = new TextBox();
                this.Controls.Add(textboxs[j]);
                if (j <= 3)
                    textboxs[j].Location = new System.Drawing.Point(10 + j * 110, 10);
                else if (j > 3 && j <= 7)
                    textboxs[j].Location = new System.Drawing.Point(10 + (j - 4) * 110, 40);
                else if (j > 7 && j <= 11)
                    textboxs[j].Location = new System.Drawing.Point(10 + (j - 8) * 110, 70);
                else if (j > 11 && j <= 15)
                    textboxs[j].Location = new System.Drawing.Point(10 + (j - 12) * 110, 100);
                else if (j > 15 && j <= 19)
                    textboxs[j].Location = new System.Drawing.Point(10 + (j - 16) * 110, 140);
                else if (j > 19 && j <= 23)
                    textboxs[j].Location = new System.Drawing.Point(10 + (j - 20) * 110, 170);
                else if (j > 23 && j <= 27)
                    textboxs[j].Location = new System.Drawing.Point(10 + (j - 24) * 110, 200);
                else if (j > 27 && j <= 31)
                    textboxs[j].Location = new System.Drawing.Point(10 + (j - 28) * 110, 230);
                else if (j > 31 && j <= 35)
                    textboxs[j].Location = new System.Drawing.Point(10 + (j - 32) * 110, 270);
                else if (j > 35 && j <= 39)
                    textboxs[j].Location = new System.Drawing.Point(10 + (j - 36) * 110, 300);
                else if (j > 39 && j <= 43)
                    textboxs[j].Location = new System.Drawing.Point(10 + (j - 40) * 110, 330);
                else if (j > 43 && j <= 47)
                    textboxs[j].Location = new System.Drawing.Point(10 + (j - 44) * 110, 360);
            }
            textboxs[0].Text = "1";
            textboxs[1].Text = "0";
            textboxs[2].Text = "0";
            textboxs[3].Text = "0";
            textboxs[4].Text = "0";
            textboxs[5].Text = "1";
            textboxs[6].Text = "0";
            textboxs[7].Text = "0";
            textboxs[8].Text = "0";
            textboxs[9].Text = "0";
            textboxs[10].Text = "1";
            textboxs[11].Text = "0";
            textboxs[12].Text = "0";
            textboxs[13].Text = "0";
            textboxs[14].Text = "0";
            textboxs[15].Text = "1";
            textboxs[16].Text = "1";
            textboxs[17].Text = "0";
            textboxs[18].Text = "0";
            textboxs[19].Text = "0";
            textboxs[20].Text = "0";
            textboxs[21].Text = "1";
            textboxs[22].Text = "0";
            textboxs[23].Text = "0";
            textboxs[24].Text = "0";
            textboxs[25].Text = "0";
            textboxs[26].Text = "1";
            textboxs[27].Text = "0";
            textboxs[28].Text = "0";
            textboxs[29].Text = "0";
            textboxs[30].Text = "0";
            textboxs[31].Text = "1";
        }
        private void button1_Click(object sender, EventArgs e)
        {
            //輸入 intput
            for (int i = 0; i < 16; i++)
            {
                if (i <= 3)
                    a[1, i + 1] = Convert.ToInt16(textboxs[i].Text);
                else if (i > 3 && i <= 7)
                    a[2, (i - 4) + 1] = Convert.ToInt16(textboxs[i].Text);
                else if (i > 7 && i <= 11)
                    a[3, (i - 8) + 1] = Convert.ToInt16(textboxs[i].Text);
                else if (i > 11 && i <= 15)
                    a[4, (i - 12) + 1] = Convert.ToInt16(textboxs[i].Text);
            }
            for (int i = 0; i < 16; i++)
            {
                if (i <= 3)
                    b[1, i + 1] = Convert.ToInt16(textboxs[(i + 16)].Text);
                else if (i > 3 && i <= 7)
                    b[2, (i - 4) + 1] = Convert.ToInt16(textboxs[(i + 16)].Text);
                else if (i > 7 && i <= 11)
                    b[3, (i - 8) + 1] = Convert.ToInt16(textboxs[(i + 16)].Text);
                else if (i > 11 && i <= 15)
                    b[4, (i - 12) + 1] = Convert.ToInt16(textboxs[(i + 16)].Text);
            }
            c[1, 1] = a[1, 1] * b[1, 1] + a[1, 2] * b[2, 1] + a[1, 3] * b[3, 1] + a[1, 4] * b[4, 1];
            c[1, 2] = a[1, 1] * b[1, 2] + a[1, 2] * b[2, 2] + a[1, 3] * b[3, 2] + a[1, 4] * b[4, 2];
            c[1, 3] = a[1, 1] * b[1, 3] + a[1, 2] * b[2, 3] + a[1, 3] * b[3, 3] + a[1, 4] * b[4, 3];
            c[1, 4] = a[1, 1] * b[1, 4] + a[1, 2] * b[2, 4] + a[1, 3] * b[3, 4] + a[1, 4] * b[4, 4];
            c[2, 1] = a[2, 1] * b[1, 1] + a[2, 2] * b[2, 1] + a[2, 3] * b[3, 1] + a[2, 4] * b[4, 1];
            c[2, 2] = a[2, 1] * b[1, 2] + a[2, 2] * b[2, 2] + a[2, 3] * b[3, 2] + a[2, 4] * b[4, 2];
            c[2, 3] = a[2, 1] * b[1, 3] + a[2, 2] * b[2, 3] + a[2, 3] * b[3, 3] + a[2, 4] * b[4, 3];
            c[2, 4] = a[2, 1] * b[1, 4] + a[2, 2] * b[2, 4] + a[2, 3] * b[3, 4] + a[2, 4] * b[4, 4];
            c[3, 1] = a[3, 1] * b[1, 1] + a[3, 2] * b[2, 1] + a[3, 3] * b[3, 1] + a[3, 4] * b[4, 1];
            c[3, 2] = a[3, 1] * b[1, 2] + a[3, 2] * b[2, 2] + a[3, 3] * b[3, 2] + a[3, 4] * b[4, 2];
            c[3, 3] = a[3, 1] * b[1, 3] + a[3, 2] * b[2, 3] + a[3, 3] * b[3, 3] + a[3, 4] * b[4, 3];
            c[3, 4] = a[3, 1] * b[1, 4] + a[3, 2] * b[2, 4] + a[3, 3] * b[3, 4] + a[3, 4] * b[4, 4];
            c[4, 1] = a[4, 1] * b[1, 1] + a[4, 2] * b[2, 1] + a[4, 3] * b[3, 1] + a[4, 4] * b[4, 1];
            c[4, 2] = a[4, 1] * b[1, 2] + a[4, 2] * b[2, 2] + a[4, 3] * b[3, 2] + a[4, 4] * b[4, 2];
            c[4, 3] = a[4, 1] * b[1, 3] + a[4, 2] * b[2, 3] + a[4, 3] * b[3, 3] + a[4, 4] * b[4, 3];
            c[4, 4] = a[4, 1] * b[1, 4] + a[4, 2] * b[2, 4] + a[4, 3] * b[3, 4] + a[4, 4] * b[4, 4];
            textboxs[32].Text = "" + c[1, 1];
            textboxs[33].Text = "" + c[1, 2];
            textboxs[34].Text = "" + c[1, 3];
            textboxs[35].Text = "" + c[1, 4];
            textboxs[36].Text = "" + c[2, 1];
            textboxs[37].Text = "" + c[2, 2];
            textboxs[38].Text = "" + c[2, 3];
            textboxs[39].Text = "" + c[2, 4];
            textboxs[40].Text = "" + c[3, 1];
            textboxs[41].Text = "" + c[3, 2];
            textboxs[42].Text = "" + c[3, 3];
            textboxs[43].Text = "" + c[3, 4];
            textboxs[44].Text = "" + c[4, 1];
            textboxs[45].Text = "" + c[4, 2];
            textboxs[46].Text = "" + c[4, 3];
            textboxs[47].Text = "" + c[4, 4];

        }
    }
}
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44

namespace WindowsFormsApplication1
{
    public partial class Form2 : Form
    {
        System.Windows.Forms.TextBox[] textboxs;
        int[,] a = new int[5, 5];
        int[,] b = new int[5, 5];
        int[,] c = new int[5, 5];
        public Form2()
        {
            InitializeComponent();
        }

        private void Form2_Load(object sender, EventArgs e)
        {
            textboxs = new System.Windows.Forms.TextBox[48];
            for (int j = 0; j < 48; j++)
            {
                textboxs[j] = new TextBox();
                this.Controls.Add(textboxs[j]);
                if (j <= 3)
                    textboxs[j].Location = new System.Drawing.Point(10 + j * 110, 10);
                else if (j > 3 && j <= 7)
                    textboxs[j].Location = new System.Drawing.Point(10 + (j - 4) * 110, 40);
                else if (j > 7 && j <= 11)
                    textboxs[j].Location = new System.Drawing.Point(10 + (j - 8) * 110, 70);
                else if (j > 11 && j <= 15)
                    textboxs[j].Location = new System.Drawing.Point(10 + (j - 12) * 110, 100);

                else if (j > 15 && j <= 19)
                    textboxs[j].Location = new System.Drawing.Point(10 + (j - 16) * 110, 140);
                else if (j > 19 && j <= 23)
                    textboxs[j].Location = new System.Drawing.Point(10 + (j - 20) * 110, 170);
                else if (j > 23 && j <= 27)
                    textboxs[j].Location = new System.Drawing.Point(10 + (j - 24) * 110, 200);
                else if (j > 27 && j <= 31)
                    textboxs[j].Location = new System.Drawing.Point(10 + (j - 28) * 110, 230);

                else if (j > 31 && j <= 35)
                    textboxs[j].Location = new System.Drawing.Point(10 + (j - 32) * 110, 270);
                else if (j > 35 && j <= 39)
                    textboxs[j].Location = new System.Drawing.Point(10 + (j - 36) * 110, 300);
                else if (j > 39 && j <= 43)
                    textboxs[j].Location = new System.Drawing.Point(10 + (j - 40) * 110, 330);
                else if (j > 43 && j <= 47)
                    textboxs[j].Location = new System.Drawing.Point(10 + (j - 44) * 110, 360);

            }
            textboxs[0].Text = "1";
            textboxs[1].Text = "0";
            textboxs[2].Text = "0";
            textboxs[3].Text = "0";
            textboxs[4].Text = "0";
            textboxs[5].Text = "1";
            textboxs[6].Text = "0";
            textboxs[7].Text = "0";
            textboxs[8].Text = "0";
            textboxs[9].Text = "0";
            textboxs[10].Text = "1";
            textboxs[11].Text = "0";
            textboxs[12].Text = "0";
            textboxs[13].Text = "0";
            textboxs[14].Text = "0";
            textboxs[15].Text = "1";

            textboxs[16].Text = "1";
            textboxs[17].Text = "0";
            textboxs[18].Text = "0";
            textboxs[19].Text = "0";
            textboxs[20].Text = "0";
            textboxs[21].Text = "1";
            textboxs[22].Text = "0";
            textboxs[23].Text = "0";
            textboxs[24].Text = "0";
            textboxs[25].Text = "0";
            textboxs[26].Text = "1";
            textboxs[27].Text = "0";
            textboxs[28].Text = "0";
            textboxs[29].Text = "0";
            textboxs[30].Text = "0";
            textboxs[31].Text = "1";



        }

        private void button1_Click(object sender, EventArgs e)
        {
            //輸入 intput
            for (int i = 0; i < 16; i++)
            {
                if (i <= 3)
                    a[1, i + 1] = Convert.ToInt16(textboxs[i].Text);
                else if (i > 3 && i <= 7)
                    a[2, (i - 4) + 1] = Convert.ToInt16(textboxs[i].Text);
                else if (i > 7 && i <= 11)
                    a[3, (i - 8) + 1] = Convert.ToInt16(textboxs[i].Text);
                else if (i > 11 && i <= 15)
                    a[4, (i - 12) + 1] = Convert.ToInt16(textboxs[i].Text);
            }
            for (int i = 0; i < 16; i++)
            {
                if (i <= 3)
                    b[1, i + 1] = Convert.ToInt16(textboxs[(i+16)].Text);
                else if (i > 3 && i <= 7)
                    b[2, (i - 4) + 1] = Convert.ToInt16(textboxs[(i+16)].Text);
                else if (i > 7 && i <= 11)
                    b[3, (i - 8) + 1] = Convert.ToInt16(textboxs[(i+16)].Text);
                else if (i > 11 && i <= 15)
                    b[4, (i - 12) + 1] = Convert.ToInt16(textboxs[(i+16)].Text);
            }
            c[1, 1] = a[1, 1] * b[1, 1] + a[1, 2] * b[2, 1] + a[1, 3] * b[3, 1] + a[1, 4] * b[4, 1];
            c[1, 2] = a[1, 1] * b[1, 2] + a[1, 2] * b[2, 2] + a[1, 3] * b[3, 2] + a[1, 4] * b[4, 2];
            c[1, 3] = a[1, 1] * b[1, 3] + a[1, 2] * b[2, 3] + a[1, 3] * b[3, 3] + a[1, 4] * b[4, 3];
            c[1, 4] = a[1, 1] * b[1, 4] + a[1, 2] * b[2, 4] + a[1, 3] * b[3, 4] + a[1, 4] * b[4, 4];
            c[2, 1] = a[2, 1] * b[1, 1] + a[2, 2] * b[2, 1] + a[2, 3] * b[3, 1] + a[2, 4] * b[4, 1];
            c[2, 2] = a[2, 1] * b[1, 2] + a[2, 2] * b[2, 2] + a[2, 3] * b[3, 2] + a[2, 4] * b[4, 2];
            c[2, 3] = a[2, 1] * b[1, 3] + a[2, 2] * b[2, 3] + a[2, 3] * b[3, 3] + a[2, 4] * b[4, 3];
            c[2, 4] = a[2, 1] * b[1, 4] + a[2, 2] * b[2, 4] + a[2, 3] * b[3, 4] + a[2, 4] * b[4, 4];
            c[3, 1] = a[3, 1] * b[1, 1] + a[3, 2] * b[2, 1] + a[3, 3] * b[3, 1] + a[3, 4] * b[4, 1];
            c[3, 2] = a[3, 1] * b[1, 2] + a[3, 2] * b[2, 2] + a[3, 3] * b[3, 2] + a[3, 4] * b[4, 2];
            c[3, 3] = a[3, 1] * b[1, 3] + a[3, 2] * b[2, 3] + a[3, 3] * b[3, 3] + a[3, 4] * b[4, 3];
            c[3, 4] = a[3, 1] * b[1, 4] + a[3, 2] * b[2, 4] + a[3, 3] * b[3, 4] + a[3, 4] * b[4, 4];
            c[4, 1] = a[4, 1] * b[1, 1] + a[4, 2] * b[2, 1] + a[4, 3] * b[3, 1] + a[4, 4] * b[4, 1];
            c[4, 2] = a[4, 1] * b[1, 2] + a[4, 2] * b[2, 2] + a[4, 3] * b[3, 2] + a[4, 4] * b[4, 2];
            c[4, 3] = a[4, 1] * b[1, 3] + a[4, 2] * b[2, 3] + a[4, 3] * b[3, 3] + a[4, 4] * b[4, 3];
            c[4, 4] = a[4, 1] * b[1, 4] + a[4, 2] * b[2, 4] + a[4, 3] * b[3, 4] + a[4, 4] * b[4, 4];

            textboxs[32].Text = "" + c[1, 1];
            textboxs[33].Text = "" + c[1, 2];
            textboxs[34].Text = "" + c[1, 3];
            textboxs[35].Text = "" + c[1, 4];
            textboxs[36].Text = "" + c[2, 1];
            textboxs[37].Text = "" + c[2, 2];
            textboxs[38].Text = "" + c[2, 3];
            textboxs[39].Text = "" + c[2, 4];
            textboxs[40].Text = "" + c[3, 1];
            textboxs[41].Text = "" + c[3, 2];
            textboxs[42].Text = "" + c[3, 3];
            textboxs[43].Text = "" + c[3, 4];
            textboxs[44].Text = "" + c[4, 1];
            textboxs[45].Text = "" + c[4, 2];
            textboxs[46].Text = "" + c[4, 3];
            textboxs[47].Text = "" + c[4, 4];



        }
    }
}
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2010年10月8日 星期五

11

sing 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 WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        Form2 newform;
        public Form1()
        {
            InitializeComponent();
        }
        private void button1_Click(object sender, EventArgs e)
        {
            int a,b,c;
            string output;
            a = int.Parse(textBox1.Text);
            b = int.Parse(textBox2.Text);
            c=a*b;
            output = Convert.ToString(c);
            textBox3.Text = output;

        }
        private void label1_Click(object sender, EventArgs e)
        {
        }
        private void button2_Click(object sender, EventArgs e)
        {
          newform= new Form2();
          newform.Show();

        }
    }
}
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33

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 WindowsFormsApplication1
{
    public partial class Form2 : Form
    {
        public Form2()
        {
            InitializeComponent();
        }
        private void button1_Click(object sender, EventArgs e)
        {
            int[,] a = new int[4, 4];
            int[,] b = new int[4, 4];
            int[,] c = new int[4, 4];
       
            a[1, 1] = int.Parse(textBox1.Text);
            a[1, 2] = int.Parse(textBox14.Text);
            a[1, 3] = int.Parse(textBox11.Text);
            a[2, 1] = int.Parse(textBox2.Text);
            a[2, 2] = int.Parse(textBox8.Text);
            a[2, 3] = int.Parse(textBox12.Text);
            a[3, 1] = int.Parse(textBox9.Text);
            a[3, 2] = int.Parse(textBox3.Text);
            a[3, 3] = int.Parse(textBox15.Text);

            b[1, 1] = int.Parse(textBox19.Text);
            b[1, 2] = int.Parse(textBox20.Text);
            b[1, 3] = int.Parse(textBox22.Text);
            b[2, 1] = int.Parse(textBox21.Text);
            b[2, 2] = int.Parse(textBox25.Text);
            b[2, 3] = int.Parse(textBox26.Text);
            b[3, 1] = int.Parse(textBox24.Text);
            b[3, 2] = int.Parse(textBox23.Text);
            b[3, 3] = int.Parse(textBox27.Text);

          
           
          
            c[1,1]= a[1,1]*b[1,1]+a[1,2]*b[2,1]+a[1,3]*b[3,1];
            c[1,2]= a[1,1]*b[1,2]+a[1,2]*b[2,2]+a[1,3]*b[3,2];
            c[1,3]= a[1,1]*b[1,3]+a[1,2]*b[2,3]+a[1,3]*b[3,3];
            c[2,1]= a[2,1]*b[1,1]+a[2,2]*b[2,1]+a[2,3]*b[3,1];
            c[2,2]= a[2,1]*b[1,2]+a[2,2]*b[2,2]+a[2,3]*b[3,2];
            c[2,3]= a[2,1]*b[1,3]+a[2,2]*b[2,3]+a[2,3]*b[3,3];
            c[3,1]= a[3,1]*b[1,1]+a[3,2]*b[2,1]+a[3,3]*b[3,1];
            c[3,2]= a[3,1]*b[1,2]+a[3,2]*b[2,2]+a[3,3]*b[3,2];
            c[3,3]= a[3,1]*b[1,3]+a[3,2]*b[2,3]+a[3,3]*b[3,3];
            textBox5.Text = Convert.ToString(c[1,1]);
            textBox6.Text =Convert.ToString(c[1,2]);
            textBox16.Text = Convert.ToString(c[1,3]);
            textBox4.Text = Convert.ToString(c[2,1]);
            textBox13.Text = Convert.ToString(c[2,2]);
            textBox17.Text = Convert.ToString(c[2,3]);
            textBox10.Text = Convert.ToString(c[3,1]);
            textBox7.Text = Convert.ToString(c[3,2]);
            textBox18.Text = Convert.ToString(c[3, 3]);
            
        }
        private void textBox13_TextChanged(object sender, EventArgs e)
        {
        }
        private void textBox10_TextChanged(object sender, EventArgs e)
        {
        }
        private void label1_Click(object sender, EventArgs e)
        {
        }
        private void Form2_Load(object sender, EventArgs e)
        {
        }
    }
}
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2010年10月1日 星期五

99*******

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 WindowsFormsApplication1
{
    public partial class Form2 : Form
    {
        public Form2()
        {
            InitializeComponent();
        }
        private void listBox1_SelectedIndexChanged(object sender, EventArgs e)
        {

        }
        private void button1_Click(object sender, EventArgs e)
        {
            int[,] arr = new int[10, 10];
            int sum = 0;
            for (int j = 0; j < 9; j++)
                for (int k = 0; k < 9; k++)
                {
                    arr[j, k] = (j + 1) * (k + 1);
                    sum = arr[j, k];
                    //listBox1.Items.Add("arr[" + (j + 1) + "]" + "[" + (k + 1) + "]=" + sum);
                }
            for (int j = 0; j < 9; j++)
            {
                listBox1.Items.Add("" + arr[j, 0] + "," + arr[j, 1] + "," + arr[j, 2] + "," + arr[j, 3] + "," + arr[j, 4] + "," + arr[j, 5] + "," + arr[j, 6] + "," + arr[j, 7] + "," + arr[j, 8]);

            }

        }
        private void listBox2_SelectedIndexChanged(object sender, EventArgs e)
        {
        }
        private void button2_Click(object sender, EventArgs e)
        {

        }
        private void textBox1_TextChanged(object sender, EventArgs e)
        {
        }

    }
}
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99x

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 WindowsFormsApplication1
{
    public partial class Form2 : Form
    {
        public Form2()
        {
            InitializeComponent();
        }
        private void button1_Click(object sender, EventArgs e)
        {
   

            listBox1.Items.Add("1*1=1 1*2=2 1*3=3 1*4=4 1*5=5 1*6=6 1*7=7 1*8=8 1*9=9 ");
            listBox1.Items.Add("2*1=2 2*2=4 2*3=6 2*4=8 2*5=10 2*6=12 2*7=14 2*8=16 2*9=18");
            listBox1.Items.Add("3*1=3 3*2=6 3*3=9 3*4=12 3*5=15 3*6=18 3*7=21 3*8=24 3*9=27");
            listBox1.Items.Add("4x1=4  4x2=8  4x3=12  4x4=16  4x5=20  4x6=24  4x7=28  4x8=32  4x9=36");
            listBox1.Items.Add("5x1=5  5x2=10  5x3=15  5x4=20  5x5=25  5x6=30  5x7=35  5x8=40  5x9=45");
            listBox1.Items.Add("6x1=6  6x2=12  6x3=18  6x4=24  6x5=30  6x6=36  6x7=42  6x8=48  6x9=54");
            listBox1.Items.Add("7x1=7  7x2=14  7x3=21  7x4=28  7x5=35  7x6=42  7x7=49  7x8=56  7x9=63");
            listBox1.Items.Add("8x1=8  8x2=16  8x3=24  8x4=32  8x5=40  8x6=48  8x7=56  8x8=64  8x9=72");
            listBox1.Items.Add("9x1=9  9x2=18  9x3=27  9x4=36  9x5=45  9x6=54  9x7=63  9x8=72  9x9=81");
               

        }
    }
  }
       
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listbox 99

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 WindowsFormsApplication1
{                       
    public partial class Form1 : Form
    {
        Form2 newform;
        public Form1()
        {
            InitializeComponent();
        }
        private void textBox4_TextChanged(object sender, EventArgs e)
        {
        }
        private void button1_Click(object sender, EventArgs e)
        {
           
           int a1,d,n,an ;
           a1=int.Parse(textBox1.Text);
           d=int.Parse(textBox2.Text);
           n=int.Parse(textBox3.Text);
           an=a1+(n-1)*d;
           textBox4.Text = "" + an;
          
           


        }
        private void listBox1_SelectedIndexChanged(object sender, EventArgs e)
        {
        }
        private void button2_Click(object sender, EventArgs e)
        {
            newform = new Form2();
            newform.Show();
           
          
        }
    }
}
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