Asin Example Syntax C-Sharp ASP.NET | C# Asin | Source Code


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Asin Example Syntax C-Sharp ASP.NET | C# Asin | Source Code

Summary: – Illustrates using with in C-Sharp ASP.NET.



Purpose:
takes a double data type number that represents a sine and
returns a double value that represents the angle of that sine when
measured in radians. (you can convert the radians to degrees by
multiplying them by Math.PI/180)

Syntax:
Asin(double)

ParametersDescription
doubleThe expression represents a sine that is
to be converted into radians of an angle. Any
valid System.Double data type number between -1 and +1
if number < -1 or > 1, NaN is returned – NaN stands for Not a Number

Result Data TypeDescription
doublerepresents the radians of the angle of the sine
that was specified as the input parameter.

Quick Example
Asin(0.5) // Returns .523598775598299

Step 1: Click on cs to Cut-n-paste code into Asin.aspx.cs

 cs |  copy code |? 
using System;
using System.IO;
using System.Data;
//********************************************************************************
// Purpose: takes a double data type number that represents a sine and
// returns a double value that represents the angle of that sine when
// measured in radians. (you can convert the radians to degrees by
// multiplying them by Math.PI/180)
//
// Syntax: 	Asin(double)
//
// Parameter1: double - The expression represents a sine that is
// to be converted into radians of an angle. Any
// valid System.Double data type number between -1 and +1
// if number < -1 or > 1, NaN is returned - NaN stands for Not a Number
//
// Result: double - represents the radians of the angle of the sine
// that was specified as the input parameter.
//
// Quick Example: Asin(0.5) // Returns .523598775598299
//
//
//********************************************************************************
// This example is from http://idealprogrammer.com
partial class _Asin : System.Web.UI.Page
{
    protected void Page_Load(object sender, System.EventArgs e)
    {
        Label1.Text = "Example #1: 	Asin(90)";
        TextBox1.Text = Math.Asin(90).ToString(); // Returns NaN
        Label2.Text = "Example #2: 	Asin(-3.4)";
        TextBox2.Text = Math.Asin(-3.4).ToString(); // Returns NaN
        Label3.Text = "Example #3: 	Asin(0.5)";
        TextBox3.Text = Math.Asin(0.5).ToString(); // Returns .523598775598299
    }
    
}


Step 2: Click on XML to Cut-n-paste code into Asin.aspx
 XML |  copy code |? 
< %@ Page Language="VB" AutoEventWireup="false" CodeFile="Asin.aspx.cs" Inherits="_Asin" %>
 
< !DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <h1><asp:label ID="Label1" runat="server" Text="Label"></asp:label> </h1>
         <asp:textbox ID="TextBox1" runat="server"></asp:textbox><br />
          <h1><asp:label ID="Label2" runat="server" Text="Label"></asp:label> </h1>
         <asp:textbox ID="TextBox2" runat="server"></asp:textbox><br />
          <h1><asp:label ID="Label3" runat="server" Text="Label"></asp:label> </h1>
         <asp:textbox ID="TextBox3" runat="server"></asp:textbox><br />
 
 
 
    </div>
    </form>
</body>
</html>
 
 


Prerequistes:

  1. Install Visual Web Developer 2010
  2. Install SQL Server Express
  3. Download Northwind and Pubs Databases
  4. Attach Northwind Database to Databases in Sql Express
  5. Attach pubs Database to Databases in Sql Express

Notes:

  • You can build your own library of syntax examples by using same web site over and over and just add new web forms to it.

Instructions:

C-Sharp ASP.NET Syntax Functions MathFunctions Asin
  1. Use Visual Web Developer 2010
  2. Create new web site;
    • Click File/New Web Site
    • Select ASP.NET Website Template
    • Select C-Sharp for Language
    • name of Web Site could be CSharp_ASPNET_Syntax.
  3. Add New folder named "Functions"
    • Right-click project name in solution explorer;
    • add new folder;
    • name of folder could be: Functions
  4. Add New subfolder named "MathFunctions"
    • Right-click Functions folder in solution explorer;
    • add new folder;
    • name of folder could be: MathFunctions
  5. Add Web Form Named Asin to MathFunctions folder
    • Right-click MathFunctions folder;
    • add new item;
    • Select Web Form
    • Check place code behind in separate file
    • Web Form name could be Asin
  6. Click on cs in step 1 at the top of this page to copy code into code-behind Asin.aspx.cs
  7. Click on XML in step 2 above to copy code into web form Asin.aspx
  8. Right-click on Asin.aspx in solution explorer and select view in browser

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