C-Sharp FormatCurrency Syntax Example | ASP.NET C# String Method | Source Code

Posted by on Thursday, March 31, 2011 · Leave a Comment 

C-Sharp FormatCurrency Syntax Example | ASP.NET C# String Method | Source Code

Purpose: – Here is a that illustrates the .


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Step 1: Click on C# to Cut-n-paste code into FormatCurrency.aspx.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
 
// This example is from http://idealprogrammer.com
// It shows how you can use FormatCurrency syntax in C-Sharp ASP.NET
//****************************************************************************************
// Syntax: 	FormatCurrency (Expression As Object, _
// NumDigitsAfterDecimal As Integer, _
// IncludeLeadingDigit As TriState, _
// UseParensForNegativeNumbers As TriState, _
// GroupDigits As TriState _
// ) As String
// 
// Expression - Required - Expression to be formatted
// NumDigitsAfterDecimal - Optional - Numeric value indicating how many places are displayed
// to the right of the decimal. Default value is –1, which indicates that the computer's 
// regional settings are used.
// IncludeLeadingDigit - Optional. TriState enumeration that indicates whether or not a 
// leading zero is displayed for fractional values. 
// UseParensForNegativeNumbers - Optional. TriState enumeration that indicates whether 
// or not to place negative values within parentheses. 
// GroupDigits - Optional. TriState enumeration that indicates whether or not numbers are
// grouped using the group delimiter specified in the computer's regional settings. 
 
//****************************************************************************************
 
 
public partial class StringManipulation_FormatCurrency : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        Label1.Text = "Example #1: 	FormatCurrency (Expression As Object," + " NumDigitsAfterDecimal As Integer," + " IncludeLeadingDigit As TriState," + " UseParensForNegativeNumbers As TriState," + " GroupDigits As TriState " + " ) As String ";
        double dblNumber = -5432.43;
 
        // Returns "($5,432.43)".
        Label2.Text = Microsoft.VisualBasic.Strings.FormatCurrency(dblNumber, -1, Microsoft.VisualBasic.TriState.UseDefault, Microsoft.VisualBasic.TriState.True, Microsoft.VisualBasic.TriState.True); //Returns Zero
    }
 
}

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

< %@ Page Language="C#" AutoEventWireup="true" CodeFile="FormatCurrency.aspx.cs" Inherits="StringManipulation_FormatCurrency" %>
 
< !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:label ID="Label2" runat="server" Text="Label"></asp:label><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:
CS Syntax String Manipulation FormatCurrency

  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 “StringManipulation”
    • Right-click project name in solution explorer;
    • add new folder;
    • name of folder could be: StringManipulation
  4. Add Web Form Named FormatCurrency.aspx to StringManipulation folder
    • Right-click StringManipulation folder;
    • add new item;
    • Select Web Form
    • Check place code behind in separate file
    • Web Form name could be FormatCurrency.aspx
  5. Click on C-Sharp in step 1 at the top of this page to copy code into web form FormatCurrency.aspx
  6. Click on XML in step 2 above to copy code into code-behind FormatCurrency.aspx.cs
  7. Right-click on FormatCurrency.aspx in solution explorer and select view in browser

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