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

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

Purpose: – Here is a that illustrates the .

Step 1: Click on C# to Cut-n-paste code into Remove.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 Remove syntax in C-Sharp ASP.NET
//****************************************************************************************
// Example #1: Remove(startIndex, count)
// Returns a string with the specified number of characters removed starting at startIndex.
// If no Count is specified, the remainder of string is removed
//****************************************************************************************
 
 
public partial class StringManipulation_Remove : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        Label1.Text = "Example #1: Remove(startIndex, count) ";
 
        string strRemoveExample = "This is a test string";
        int intIndexRemove = 0;
 
        // First find position of word test
        intIndexRemove = strRemoveExample.IndexOf("test");
 
        // Remove rest of string starting with word "test"
        Label2.Text = strRemoveExample.Remove(intIndexRemove); //Returns This is a
 
    }
}

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

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