I have a situation where I need to create multiple code behind files for a single .aspx page in c# asp.net. Actually I have a web form on that huge coding is done and I need multiple developer's working on it simultaneously. How can I achieve the same?
Here is the code snippet I tried
Class 1 MyPartialClass.cs
namespace WebApplication1
{
public partial class Default : System.Web.UI.Page
{
protected void PrintText(string pt)
{
Response.Write(pt);
//lblTest.Text = pt; //Can not access this label in partial class.
}
}
}
Class 2 which is Default.aspx.cs
namespace WebApplication1
{
public partial class Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
PrintText("Hello World");
}
}
}
and my HTML source
<%@ Page Language="C#" AutoEventWireup="false" CodeBehind="Default.aspx.cs" Inherits="WebApplication1.Default" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Label ID="lblTest" runat="server"></asp:Label>
</div>
</form>
</body>
</html>
ASP.NET will always generate your code behind files as partial classes
namespace WebApplication1
{
public partial class Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
}
}
You can therefor separate the code behind in different files, if you pertain the definition as partial
and keep the class under the same namespace.
Edit : The Web Project
//Default.aspx
<%@ Page Title="Home Page" Language="C#" MasterPageFile="~/Site.master" AutoEventWireup="true"
CodeBehind="Default.aspx.cs" Inherits="WebApplication1.Default" %>
<asp:Content ID="HeaderContent" runat="server" ContentPlaceHolderID="HeadContent">
</asp:Content>
<asp:Content ID="BodyContent" runat="server" ContentPlaceHolderID="MainContent">
<asp:Label ID="lblTest" runat="server" Text="Label"></asp:Label>
</asp:Content>
//Default.aspx.cs
namespace WebApplication1
{
public partial class Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
PrintText("Hello World");
}
}
}
//MyPartialClass.cs
namespace WebApplication1
{
public partial class Default
{
protected void PrintText(string pt)
{
Response.Write(pt);
lblTest.Text = pt; //lblTest is accessible here
}
}
}
I haven't modified any other generated files. One thing I like to mention is that the Default.aspx.cs
file that has been generated was generated with the class name "_Default". I have changed it to Default
and Visual Studio refactored the change across all files that contain a definition for that class, except the Default.aspx
file, where I had to manually modifiy from Inherits="WebApplication1._Default"
to Inherits="WebApplication1.Default"
.
Edit 2:
I kept searching the internet, and according to http://codeverge.com/asp.net.web-forms/partial-classes-for-code-behind/371053, what you are trying to do is impossible. Same idea is detailed at http://codeverge.com/asp.net.web-forms/using-partial-classes-to-have-multiple-code/377575 If possible, consider converting from Web Site to Web Application, which supports what you are trying to achieve. Here is a walkthrough on how to perform this conversion: http://msdn.microsoft.com/en-us/library/vstudio/aa983476(v=vs.100).aspx
You need to set up a source safe server in order to that, like Team Foundation Server.
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