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

public partial class ForeignKeyField : System.Web.DynamicData.FieldTemplateUserControl {
    private bool _allowNavigation = true;
    private string _navigateUrl;

    public string NavigateUrl { 
        get {
            return _navigateUrl;
        }
        set {
            _navigateUrl = value;
        }
    }

    public bool AllowNavigation {
        get {
            return _allowNavigation;
        }
        set {
            _allowNavigation = value;
        }
    }

    protected string GetDisplayString() {
        return FormatFieldValue(ForeignKeyColumn.ParentTable.GetDisplayString(FieldValue));
    }

    protected string GetNavigateUrl() {
        if (!AllowNavigation) {
            return null;
        }
        
        if (String.IsNullOrEmpty(NavigateUrl)) {
            return ForeignKeyPath;
        }
        else {
            return BuildForeignKeyPath(NavigateUrl);
        }
    }

    public override Control DataControl {
        get {
            return HyperLink1;
        }
    }
}