How to use separate .cs files in C#?

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Forum; I am a newbie working out a bit of code. I would like to know the best way to use separate .cs files containing other classes and functions. As an example of a basic func

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生来不讨喜

2021-02-02 01:45

One class per .cs file is a good rule to follow.

I would not separate page specific functionality into separate .cs files unless you plan to encapsulate into a reusable class.

Edit:

Put the clear function in the button's OnClick event. No reason to separate this out.

.aspx file:

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="SimpleWebTest._Default" %>

<!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>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:Button ID="ClearButton" runat=server onclick="ClearButton_Click" Text="Button" />
    </div>
    </form>
</body>
</html>

.cs file

using System;

namespace SimpleWebTest
{
    public partial class _Default : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e) { }

        protected void ClearButton_Click(object sender, EventArgs e)
        {
            using (ComplexOperationThingy cot = new ComplexOperationThingy())
            {
                cot.DoSomethingComplex();
            }
        }
    }
}

ComplexOperationThingy.cs:

using System;

namespace SimpleWebTest
{
    public class ComplexOperationThingy
    {
        ComplexOperationThingy() { }

        public void DoSomethingComplex()
        {
            //Do your complex operation.
        }
    }
}

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