Wow, this was quite a headache... I recently had a situation where I developed a very simple code behind in SharePoint 2007. Nothing complex, really a simple piece of code.
If I used a simple piece of code (like below) I was able to build the code, deploy it to the bin folder and attach it to the w3wp process for debugging. I was able to step through the code and everything worked well.
But the problem I had was that as soon as I include any code that uses the Microsoft.SharePoint object model the debugger would NOT step into the code and when I launch the SharePoint Page which reference the code behind I will receive a Unexpected SharePoint Failure.
This is the code that worked:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Collections;
using Microsoft.SharePoint;
namespace ViewContract
{
public class ViewContract: System.Web.UI.Page
{
protected override void OnInit(EventArgs e)
{
base.OnInit(e);
}
protected void Page_Load(object sender, EventArgs e)
{
string strFindProblem;
strFindProblem = "reached point 1";
}
}
}
Now, if I change the code to:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Collections;
using Microsoft.SharePoint;
namespace ViewContract
{
public class ViewContract: System.Web.UI.Page
{
protected override void OnInit(EventArgs e)
{
base.OnInit(e);
}
protected void Page_Load(object sender, EventArgs e)
{
using (SPWeb contractweb = SPContext.Current.Web)
{
a = contractweb.Url;
}
}
}
}
I was not able to step through the code and my SharePoint Page failed.
So, the only way for me to fix this was to do the following:
- Open the web.config file located in C:\Inetpub\wwwroot\wss\VirtualDirectories\22990 where 22990 is the port number of your web application.
- Locate the following tag <trust level="WSS_Minimal" originUrl="" />
- Change it to <trust level="WSS_Medium" originUrl="" />
- Save
- Attach code to w3wp process
- Open SharePoint Site
- Launch Code-behind page and wala...the breakpoint in the code is reached and you can now step through the code using Visual Studio.
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