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

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

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

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


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


Purpose:
Converts any valid expression into Object data type

Syntax:
(object)(expression)

Parameters Description
expression any valid expression

Result Data Type Description
object returns input as an object

Quick Example
Dim Object1 As Object = (object)(“Ideal”)
TextBox1.Text = Object1.ToString Returns Ideal

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

using System;
using System.IO;
using System.Data;
 
//****************************************************************************************
// Purpose: Converts any valid expression into Object data type
//
// Syntax: 	(object)(expression)
//
// Parameter1: expression - any valid expression
//
// Result: object - returns input as an object
//
// Quick Example:  Dim Object1 As Object = (object)("Ideal")
//        TextBox1.Text = Object1.ToString // Returns Ideal
//
//****************************************************************************************
// This example is from http://idealprogrammer.com
 
 
partial class _ConvertToObject : System.Web.UI.Page
{
 
    protected void Page_Load(object sender, System.EventArgs e)
    {
 
        Label1.Text = "Example #1: 	(object)(\"Ideal\") ";
 
        object Object1 = (object)("Ideal");
 
        TextBox1.Text = Object1.ToString(); // Returns Ideal
 
        Label2.Text = "Example #2: 	(object)-3.4 ";
 
        object Object2 = (object)-3.4;
 
        TextBox2.Text = Object2.ToString(); // Returns -3.4
 
        Label3.Text = "Example #3: 	(object)(5.5)";
 
        object Object3 = (object)5.5;
 
        TextBox3.Text = Object3.ToString(); // Returns 5.5
 
 
    }
 
 
}

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

< %@ Page Language="VB" AutoEventWireup="false" CodeFile="ConvertToObject.aspx.cs" Inherits="_ConvertToObject" %>
 
< !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 ConvertToObject
  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 ConvertToObject 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 ConvertToObject
  7. Click on cs in step 1 at the top of this page to copy code into code-behind ConvertToObject.aspx.cs
  8. Click on XML in step 2 above to copy code into web form ConvertToObject.aspx
  9. Right-click on ConvertToObject.aspx in solution explorer and select view in browser

Filed under Code Samples · Tagged with , , , , , , ,