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

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

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

Purpose: – Here is a that illustrates the .


View Other C-Sharp ASP.NET Source Code Examples ยป



Step 1: Click on C# to Cut-n-paste code into Format.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 Format syntax in C-Sharp ASP.NET
//****************************************************************************************
// Example #1: 	Format(Expession,style) - returns a formatted string 
// expression - required. object. any valid expression
// style - optional. string.  A valid named or user-defined format String expression.
//
//Different Formats for Different Numeric Values
// A user-defined format expression for numbers can have from one to three sections 
// separated by semicolons. If the Style argument of the Format function contains one
// of the predefined numeric formats, only one section is allowed.
//
// Condition              Result
// One section only       The format expression applies to all values.
// Two(sections)          The first section applies to positive values and zeros; 
//                        the second applies to negative values.
// Three(sections)        The first section applies to positive values, the second 
//                        applies to negative values, and the third applies to zeros.
//
//****************************************************************************************
 
 
public partial class StringManipulation_Format : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        Label1.Text = "Example #1: 	Format(Expression,style) $#,##0;;\\Z\\e\\r\\o";
 
        string strStyle = "$#,##0;;\\Z\\e\\r\\o";
 
 
 
        // Return 
        Label2.Text = Microsoft.VisualBasic.Strings.Format(1, strStyle); //Returns $1
        Label3.Text = Microsoft.VisualBasic.Strings.Format(-1, strStyle); //Returns -$1
        Label4.Text = Microsoft.VisualBasic.Strings.Format(0, strStyle); //Returns Zero
 
    }
}

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

< %@ Page Language="C#" AutoEventWireup="true" CodeFile="Format.aspx.cs" Inherits="StringManipulation_Format" %>
 
< !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 />
        <asp:label ID="Label3" runat="server" Text="Label"></asp:label><br />
        <asp:label ID="Label4" 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 Format

  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 Format 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 Format
  5. Click on C-Sharp in step 1 at the top of this page to copy code into web form Format.aspx
  6. Click on XML in step 2 above to copy code into code-behind Format.aspx.cs
  7. Right-click on Format.aspx in solution explorer and select view in browser

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