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;
using Telerik.Web.UI;

public partial class ForeignKeyTelerik_EditField : System.Web.DynamicData.FieldTemplateUserControl {
    protected void Page_Load(object sender, EventArgs e) {
        DropDownList dropDownList = new DropDownList();
        if (!Column.IsRequired) {
            dropDownList.Items.Add(new ListItem("[Not Set]", ""));
        }

        PopulateListControl(dropDownList);

        foreach (ListItem listItem in dropDownList.Items)
        {
            RadComboBoxItem comboBoxItem = new RadComboBoxItem();
            comboBoxItem.Text = listItem.Text;
            comboBoxItem.Value = listItem.Value;
            RadComboBox1.Items.Add(comboBoxItem);
        }
    }

    protected override void OnDataBinding(EventArgs e) {
        base.OnDataBinding(e);

        if (Mode == DataBoundControlMode.Edit) {
            RadComboBox1.SelectedValue = ForeignKeyColumn.GetForeignKeyString(Row);
        }
    }

    protected override void ExtractValues(IOrderedDictionary dictionary) {
        // If it's an empty string, change it to null
        string val = RadComboBox1.SelectedValue;
        if (val == String.Empty)
            val = null;

        ExtractForeignKey(dictionary, val);
    }
}
