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C# Replace Example - ASPNET CSharp Replace Syntax - Sample

Description: Here is a Replace Example that illustrates the C# Syntax in ASP.NET.

Example Webform Code:

< %@ Page Language="C#" AutoEventWireup="true" CodeFile="Replace.aspx.cs" Inherits="StringManipulation_Replace" %>
 
< !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>

Example Code Behind:

 
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 Replace syntax in C-Sharp ASP.NET
//****************************************************************************************
// Example #1: Replace(string, oldstring, newstring)
// Returns a string with all occurrences of the old string in the string
// replaced by the new string.
//****************************************************************************************
 
 
 
public partial class StringManipulation_Replace : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        Label1.Text = "Example #1: Replace(strField, strOldField, strNewField)";
 
        string strField = "This is my string";
        string strOldField = "my";
        string strNewField = "your";
 
        // Replace rest of string starting with word "test"
        Label2.Text = strField.Replace(strOldField, strNewField); //Returns This is your string
 
 
    }
}

Example Connection String: