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

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

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



Purpose:
Converts boolean, date, and numeric data types into String data type

Syntax:
Convert.ToString(expression)

Parameters Description
expression boolean, date, and numeric data types

Result Data Type Description
String 1. If boolean, returns string "True" or "False"
2. If date, returns A string containing a date value (date and time) in the short date
format of your system
3. If number, returns a string representing the number

Quick Example
Dim myBool As Boolean = True
Dim String1 As String = Convert.ToString(myBool)
TextBox1.Text = String1.ToString() Returns True

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

 cs |  copy code |? 
using System;
using System.IO;
using System.Data;
//*****************************************************************************************
// Purpose: Converts boolean, date, and numeric data types into String data type
// 
// Syntax: 	Convert.ToString(expression)
//  
// Parameter1: expression - boolean, date, and numeric data types
//
// Result: String - 1. If boolean, returns string "True" or "False" 
// 2. If date, returns A string containing a date value (date and time) in the short date 
// format of your system
// 3. If number, returns a string representing the number
//
// Quick Example: Dim myBool As Boolean = True
// Dim String1 As String = Convert.ToString(myBool)
// TextBox1.Text = String1.ToString() // Returns True
//
//
//****************************************************************************************
// This example is from http://idealprogrammer.com
partial class _ConvertToString : System.Web.UI.Page
{
    protected void Page_Load(object sender, System.EventArgs e)
    {
        Label1.Text = "Example #1: 	 Convert.ToString(myBool) ";
        bool myBool = true;
        string String1 = Convert.ToString(myBool);
        TextBox1.Text = String1; // Returns True
        Label2.Text = "Example #2: 	Convert.ToString(myDate) ";
        DateTime myDate = Convert.ToDateTime("10/21/2011");
        string String2 = Convert.ToString(myDate);
        TextBox2.Text = String2; // Returns 10/21/2011
        Label3.Text = "Example #3: 	Convert.ToString(5.5)";
        string String3 = Convert.ToString(5.5);
        TextBox3.Text = String3; // Returns 5.5
    }
   
}


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

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