title: change value of yes/no field in sharepoint
body: <p>I have a field of type Yes/No (checkbox) in my sharepoint list. 
  I am trying to change/set the value of the field programmatically (server code), but it give me an error saying that it should be 1 or 0. I cannot get it working. Can anyone help me please?</p>
  
  <p>here that part of the code:</p>
  
  <pre><code> SPListItem item = reportList.Items.Add();
                  item["RequesterID"] = id;
  
                   **item["ZIP_x0020_Code_x0020_Linked"] = 0;**
  
                  item["ZC_x0020_code"] = txtZcCode.Text;
                  item.Update();
  </code></pre>