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

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

Purpose: – Here is a that illustrates the .




Step 1: Click on C# to Cut-n-paste code into LTrim.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 LTrim syntax in C-Sharp ASP.NET
//****************************************************************************************
// Example #1: LTrim(value) - Returns a string with leading spaces removed.
//****************************************************************************************
 
 
public partial class StringManipulation_LTrim : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        Label1.Text = "Example #1: LTrim(value) ";
 
        string strField = " This ";
 
        Label2.Text = "[" + strField.TrimStart(' ') + "]"; //Returns [This ] with leading spaces removed
 
 
    }
}

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

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