Compile with /main to specify the type that contains the entry point?????

Csharp Ninja

ERROR HERE: (I think this is a Main class Problem)

Error    2    Program 'c:\users\usernamex\documents\visual studio 2010\Projects\WindowsFormsApplication29-DownloadPage\WindowsFormsApplication29-DownloadPage\obj\x86\Debug\WindowsFormsApplication29-DownloadPage.exe' has more than one entry point defined: 'WindowsFormsApplication29_DownloadPage.Form1.GetPage.Main(string[])'. Compile with /main to specify the type that contains the entry point.    c:\users\usernamex\documents\visual studio 2010\Projects\WindowsFormsApplication29-DownloadPage\WindowsFormsApplication29-DownloadPage\Form1.cs    45    25    WindowsFormsApplication29-DownloadPage

WHAT THE ************* IS THIS PROBLEM???? I CAN'T SOLVE THIS PROBLEM. HELP ME PLS

MY Form1.cs CODES:

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Net;
using System.IO;

namespace WindowsFormsApplication29_DownloadPage
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        class GetPage
        {
            public string DownloadPage(Uri url)
            {
                WebRequest http = HttpWebRequest.Create(url);
                HttpWebResponse response = (HttpWebResponse)http.GetResponse();
                StreamReader stream = new StreamReader(response.GetResponseStream(),
                    System.Text.Encoding.ASCII);

                string result = stream.ReadToEnd();
                response.Close();
                stream.Close();
                return result;

            }

            public void Go(String page)
            {
                Uri u = new Uri(page);
                string str = DownloadPage(u);
                Console.WriteLine(str);
            }

            [STAThread]
            static void Main(string[] args)
            {
                GetPage module = new GetPage();
                String page;
                if (args.Length == 0)
                    page = "http://www.slslslslslslsl.com/pathblabla.php";
                else
                    page = args[0];
                module.Go(page);
            }

        }

    }
}

MY Program.cs CODES:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows.Forms;

namespace WindowsFormsApplication29_DownloadPage
{
    static class Program
    {
        ///

/// The main entry point for the application.
///

        [STAThread]
        static void Main()
        {
            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);
            Application.Run(new Form1());
        }

    }
}

I NEED TO YOUR HELPS. THANKS

CHEERS

"NINJA"

3 Replies

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Csharp Ninja14y ago
Vulpes THANK YOU VERY MUCH MATE :) YOU ARE A GREAT PERSON. AND THANK YOU Sam, YOU ARE A GREAT PERSON TOO.
Sam Hobbs14y ago
I think it is a better design to make the GetPage class separate from the form class. Attached is a file with a project that shows what I mean. I suggest however that you add more error-checking but I understand that quite often the important thing is to get the program working. I am just saying that my sample is inadequate to the extent that it does not check for errors as much as it should.
Vulpes14y ago
A program can only have one entrypoint and, when developing a windows forms application in Visual Studio, it's best to leave that as the Main() method in the program.cs file.

You therefore need to get rid of the Main() method in your GetPage class and incorporate its code into your other Main() method before Form1 is shown:

public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}

public class GetPage // changed access to public
{
public string DownloadPage(Uri url)
{
WebRequest http = HttpWebRequest.Create(url);
HttpWebResponse response = (HttpWebResponse)http.GetResponse();
StreamReader stream = new StreamReader(response.GetResponseStream(),
System.Text.Encoding.ASCII);

string result = stream.ReadToEnd();
response.Close();
stream.Close();
return result;

}

public void Go(String page)
{
Uri u = new Uri(page);
string str = DownloadPage(u);
MessageBox.Show(str); // Console.WriteLine doesn't work in a WF app
}

// removed Main method
}

}

static class Program
{
///
/// The main entry point for the application.
///
[STAThread]
static void Main()
{
Form1.GetPage module = new Form1.GetPage();
String page;
if (args.Length == 0)
page = "http://www.slslslslslslsl.com/pathblabla.php";
else
page = args[0];
module.Go(page);
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new Form1());
}

}