Arithmetic of the second assignment 1-10

Form1.cs
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 windowss{public partial class Form1:form        {public Form1 () {InitializeComponent (); } public static int Count = 0;//The total number of topics public static int right = 0;//Correct topic total number private void B        Utton1_click (object sender, EventArgs e) {randomnum (); }//generates a random number of 1-10 and displays the private void Randomnum () {Random ran=ne in the text box                    W Random ();                   int n1,n2; N1=ran. Next (1,11);//Generate a number N2 = ran. Next (1, 11);//generates a number TextBox1.Text = N1.                   ToString (); TextBox2.Text = n2.                   ToString ();                   TextBox3.Text = "";                               count++; } private void TextboX3_keydown (object sender, KeyEventArgs e) {int txb;            String Tb=textbox4.text; Switch (TB) {case "+": Txb =int. Parse (TextBox1.Text) +int. Parse (TextBox2.                    Text);                break; Case "-": Txb =int. Parse (TextBox1. Text)-int.                    Parse (TextBox2.Text);                Break Case "*": TXB =int. Parse (TextBox1. Text) *int. Parse (TextBox2.                    Text);                break; DEFAULT:TXB =int. Parse (TextBox1. Text)/int. Parse (TextBox2.                    Text);            break; } if (E.keycode ==keys.enter) {if (TextBox3.Text = = tx                        B.tostring ()) right++;                    Randomnum (); }} private void Button2_Click (object sender, EventarGS e) {textbox3.enabled = false;                     Form2 frm2 = new Form2 (); Frm2.                                   ShowDialog (); private void Button3_Click (object sender, EventArgs e) {new FORM3 ().                Show ();  private void Label3_click (object sender, EventArgs e) {textbox4.text =                "+";  private void Label4_click (object sender, EventArgs e) {textbox4.text =                "-";  private void Label5_click (object sender, EventArgs e) {textbox4.text =                "*";  private void Label6_click (object sender, EventArgs e) {textbox4.text =                "/";        private void Button2_click_1 (object sender, EventArgs e) {            textbox3.enabled = false;                    Form2 frm2 = new Form2 (); Frm2.                ShowDialog (); private void Button3_click_1 (object sender, EventArgs e) {new FORM3 ().                Show (); }                                    }        }

From2.cs
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 windowss{public    partial class Form2: Form    {public        Form2 ()        {            InitializeComponent ();        }        private void Form2_load (object sender, EventArgs e)        {            TextBox1.Text = Form1.Count.ToString ();//Total number            of topics TextBox2.Text = Form1.right.ToString ();//correct number of topics            TextBox3.Text = ((Form1.right/(double) (form1.count)) * 100). ToString () + "%";//title correct rate        }        private void Button1_Click (object sender, EventArgs e)        {this            . Close ();}}    }

From3
Using system.data;using system.drawing;using system.linq;using system.text;using system.windows.forms;namespace windowss{public    Partial class Form3:form    {public        Form3 ()        {            InitializeComponent ();        }        private void Button1_Click (object sender, EventArgs e)        {this            . Close ();}}    }

Arithmetic of the second assignment 1-10