ASP.NET

using System;
using System.Data;
using System.Configuration;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;

/// <summary>
/// Summary description for Class1
/// </summary>
public class Class1
{
	public Class1()
	{
		//
		// TODO: Add constructor logic here
		//
	}

    public string test()
    {
        return "Test";
    }
}

Class1 cls = new Class1();

string str = cls.test();

Chesnokov Yuriy wrote:

but it is in the same namespace and should be visible as in C# projects.

freshers wrote:

Just Create a new ASP.Net project you ll not get any namespace.

int i=0;

u1.Mymethod();

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

public partial class U1 : System.Web.UI.UserControl
{
    protected void Page_Load(object sender, EventArgs e)
    {

    }

    public String Message()
    {
        return "Message from U1 User control";
    }
}

<%@ Control Language="C#" AutoEventWireup="true" CodeFile="U1.ascx.cs" Inherits="U1" %>
<asp:Label ID="lblU1" runat="server" Text="Usercontrol 1"></asp:Label>

<%@ Control Language="C#" AutoEventWireup="true" CodeFile="U2.ascx.cs" Inherits="U2" %>
<%@ Register src="U1.ascx" tagname="U1" tagprefix="uc1" %>
<asp:Label ID="lblU2" runat="server" Text="User Control 2"></asp:Label>

<p>
    &nbsp;</p>
<p>
    &nbsp;</p>
<asp:Button ID="Button1" runat="server" onclick="Button1_Click" Text="Button" />

protected void Button1_Click(object sender, EventArgs e)
 {
     U1 obj = new U1();

     String Message;

     Message = obj.Message();

     Response.Write(Message);

 }