Calculator in ASP .net using C#

14. C# Program for implementing calculator in ASP(.net)?          
Design

1.Drag one textbox.
2.Drag sixteen buttons in four rows,each row containing four buttons.
3.Edit the text on the Button as follows:
          Button1: 1
          Button2: 2
          Button3: 3
          Button4:  +
          Button5:  4
          Button6:  5
          Button7:  6
          Button8:  -
          Button9:  7
          Button10: 8
          Button11: 9
          Button12: *
          Button13: 0
          Button14: clear
          Button15:  /
          Button16:  =

Program


using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

public partial class _Default : System.Web.UI.Page
{
    static float a,c,d;
    static char b;
    protected void Page_Load(object sender, EventArgs e)
    {
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
  if ((TextBox1.Text == "+") || (TextBox1.Text == "-") || (TextBox1.Text =="*")                                                                                    || (TextBox1.Text == "/"))
          {
          TextBox1.Text = "";
          TextBox1.Text = TextBox1.Text + Button1.Text;
          }
    else
          {
          TextBox1.Text = TextBox1.Text + Button1.Text;
          }
    }
    protected void Button2_Click(object sender, EventArgs e)
    {
  if ((TextBox1.Text == "+") || (TextBox1.Text == "-") || (TextBox1.Text =="*")                                                                                     || (TextBox1.Text == "/"))
          {
          TextBox1.Text = "";
          TextBox1.Text = TextBox1.Text + Button2.Text;
          }
    else
          {
          TextBox1.Text = TextBox1.Text + Button2.Text;
          }
    }
    protected void Button3_Click(object sender, EventArgs e)
    {
  if ((TextBox1.Text == "+") || (TextBox1.Text == "-") || (TextBox1.Text =="*")                                                                                     || (TextBox1.Text == "/"))
          {
          TextBox1.Text = "";
          TextBox1.Text = TextBox1.Text + Button3.Text;
          }
    else
          {
          TextBox1.Text = TextBox1.Text + Button3.Text;
          }
    }
    protected void Button4_Click(object sender, EventArgs e)
    {
    a = Convert.ToInt32(TextBox1.Text);
    TextBox1.Text = "";
    b = '+';
    TextBox1.Text += b;
    }
    protected void Button5_Click(object sender, EventArgs e)
    {
  if ((TextBox1.Text == "+") || (TextBox1.Text == "-") || (TextBox1.Text =="*")                                                                                     || (TextBox1.Text == "/"))
           {
           TextBox1.Text = "";
           TextBox1.Text = TextBox1.Text + Button5.Text;
           }
    else
           {
           TextBox1.Text = TextBox1.Text + Button5.Text;
           }
    }
    protected void Button6_Click(object sender, EventArgs e)
    {
  if ((TextBox1.Text == "+") || (TextBox1.Text == "-") || (TextBox1.Text =="*")                                                                                     || (TextBox1.Text == "/"))
          {
          TextBox1.Text = "";
          TextBox1.Text = TextBox1.Text + Button6.Text;
          }
    else
          {
          TextBox1.Text = TextBox1.Text + Button6.Text;
          }
    }
    protected void Button7_Click(object sender, EventArgs e)
    {
  if ((TextBox1.Text == "+") || (TextBox1.Text == "-") || (TextBox1.Text =="*")                                                                                     || (TextBox1.Text == "/"))
          {
          TextBox1.Text = "";
          TextBox1.Text = TextBox1.Text + Button7.Text;
          }
    else
          {
          TextBox1.Text = TextBox1.Text + Button7.Text;
          }
    }
    protected void Button8_Click(object sender, EventArgs e)
    {
    a = Convert.ToInt32(TextBox1.Text);
    TextBox1.Text = "";
    b = '-';
    TextBox1.Text += b;
    }
    protected void Button9_Click(object sender, EventArgs e)
    {
  if ((TextBox1.Text == "+") || (TextBox1.Text == "-") || (TextBox1.Text =="*")                                                                                     || (TextBox1.Text == "/"))
          {
          TextBox1.Text = "";
          TextBox1.Text = TextBox1.Text + Button9.Text;
          }
    else
          {
          TextBox1.Text = TextBox1.Text + Button9.Text;
          }
    }
    protected void Button10_Click(object sender, EventArgs e)
    {
  if ((TextBox1.Text == "+") || (TextBox1.Text == "-") || (TextBox1.Text =="*")                                                                                     || (TextBox1.Text == "/"))
          {
          TextBox1.Text = "";
          TextBox1.Text = TextBox1.Text + Button10.Text;
          }
    else
          {
          TextBox1.Text = TextBox1.Text + Button10.Text;
          }
    }
    protected void Button11_Click(object sender, EventArgs e)
    {
  if ((TextBox1.Text == "+") || (TextBox1.Text == "-") || (TextBox1.Text =="*")                                                                                     || (TextBox1.Text == "/"))
          {
          TextBox1.Text = "";
          TextBox1.Text = TextBox1.Text + Button11.Text;
          }
    else
          {
          TextBox1.Text = TextBox1.Text + Button11.Text;
          }
    }
    protected void Button12_Click(object sender, EventArgs e)
    {
    a = Convert.ToInt32(TextBox1.Text);
    b = '*';
    TextBox1.Text ="";
    TextBox1.Text += b;
    }
    protected void Button13_Click(object sender, EventArgs e)
    {
  if ((TextBox1.Text == "+") || (TextBox1.Text == "-") || (TextBox1.Text =="*")                                                                                     || (TextBox1.Text == "/"))
          {
          TextBox1.Text = "";
          TextBox1.Text = TextBox1.Text + Button13.Text;
          }
    else
          {
          TextBox1.Text = TextBox1.Text + Button13.Text;
          }
    }
    protected void Button14_Click(object sender, EventArgs e)
    {
    TextBox1.Text ="";
    }
    protected void Button15_Click(object sender, EventArgs e)
    {
    a = Convert.ToInt32(TextBox1.Text);
    TextBox1.Text = "";
     b = '/';
     TextBox1.Text += b;
    }
    protected void Button16_Click(object sender, EventArgs e)
    {
    c = Convert.ToInt32(TextBox1.Text);
    TextBox1.Text = "";
     if(b=='/')
          {
          d = a / c;
          TextBox1.Text += d;
          a = d;
          }
     else if (b == '+')
            {
            d = a + c;
            TextBox1.Text += d;
            a = d;
            }
            else if (b == '-')
                   {
                   d = a - c;
                   TextBox1.Text += d;
                   a = d;
                   }
                 else
                  {
                  d = a * c;
                  TextBox1.Text += d;
                  a = d;
                  }
    }
}

Output




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3 comments:

  1. Boo3 November 2014 at 14:26

    what if I wanted to add log and root operations ?

    ReplyDelete
  2. Unknown10 November 2015 at 01:41

    Please tell me about how to use MS,MR,+,M-,+/- options which are present in Windows Std.Calculator.

    ReplyDelete

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