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

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

Purpose: – Here is a that illustrates the .

Step 1: Click on C# to Cut-n-paste code into StrDup.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 StrDup syntax in C-Sharp ASP.NET
 
//****************************************************************************************
// Overload #1: 	StrDup(Int32,Char) Returns a string or object consisting of the specified 
// character repeated the specified number of times.
// Overload #2: 	StrDup(Int32,Object) Returns a string or object consisting of the specified 
// character repeated the specified number of times.
// Overload #3: 	StrDup(Int32,String) Returns a string or object consisting of the specified 
// character repeated the specified number of times.
//****************************************************************************************
 
 
public partial class StringManipulation_StrDup : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        Label1.Text = "Overload #1: 	StrDup(Int32,Char) ";
 
        TextBox1.Text = new String('a', 5); //Returns aaaaa
 
 
 
    }
}

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

< %@ Page Language="C#" AutoEventWireup="true" CodeFile="StrDup.aspx.cs" Inherits="StringManipulation_StrDup" %>
 
< !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 />
 
    </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 StrDup
CS Syntax String Manipulation StrDup
  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 StrDup.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 StrDup.aspx
  5. Click on C-Sharp in step 1 at the top of this page to copy code into web form StrDup.aspx
  6. Click on XML in step 2 above to copy code into code-behind StrDup.aspx.cs
  7. Right-click on StrDup.aspx in solution explorer and select view in browser