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

Posted by on Tuesday, May 17, 2011 · Leave a Comment 

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

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


View Other C-Sharp ASP.NET Type Conversion Function Examples


Purpose:
Converts 0 to 255 unsigned (rounded) into byte data type

Syntax:
Convert.ToByte(numeric expression)

Parameters Description
numeric expression 0 to 255

Result Data Type Description
Byte 0 to 255 unsigned and parameter1 is rounded

Quick Example
Convert.ToByte(255) // Returns 255

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

using System;
using System.IO;
using System.Data;
 
//****************************************************************************************
// Purpose: Converts 0 to 255 unsigned (rounded) into byte data type
//
// Syntax: 	Convert.ToByte(numeric expression)
//
// Parameter1: numeric expression - 0 to 255
//
// Result: Byte - 0 to 255 unsigned and parameter1 is rounded
//
// Quick Example: Convert.ToByte(255) // Returns 255
//
//****************************************************************************************
// This example is from http://idealprogrammer.com
// It shows how you can use CByte syntax in C-Sharp ASP.NET
 
 
partial class _ConvertToByte : System.Web.UI.Page
{
 
    protected void Page_Load(object sender, System.EventArgs e)
    {
 
        Label1.Text = "Example #1: 	Convert.ToByte(numeric expression) ";
 
        TextBox1.Text = Convert.ToByte(255).ToString(); // Returns 255
 
        Label2.Text = "Example #2: 	Convert.ToByte(numeric expression) ";
 
        int intField = (Int32)1.5;
        TextBox2.Text = Convert.ToByte(intField).ToString(); //Returns 2
 
 
 
    }
 
 
}

Step 2: Click on XML to Cut-n-paste code into ConvertToByte.aspx

< %@ Page Language="VB" AutoEventWireup="false" CodeFile="ConvertToByte.aspx.cs" Inherits="_ConvertToByte" %>
 
< !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 ConversionFunctions ConvertToByte
  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 “ConversionFunctions”
    • Right-click Functions folder in solution explorer;
    • add new folder;
    • name of folder could be: ConversionFunctions
  5. Add New subfolder named “TypeConversionFunctions”
    • Right-click Functions folder in solution explorer;
    • add new folder;
    • name of folder could be: TypeConversionFunctions
  6. Add Web Form Named ConvertToByte to TypeConversionFunctions folder
    • Right-click TypeConversionFunctions folder;
    • add new item;
    • Select Web Form
    • Check place code behind in separate file
    • Web Form name could be ConvertToByte
  7. Click on cs in step 1 at the top of this page to copy code into code-behind ConvertToByte.aspx.cs
  8. Click on XML in step 2 above to copy code into web form ConvertToByte.aspx
  9. Right-click on ConvertToByte.aspx in solution explorer and select view in browser

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