private static void FillDropDownList(WebControl ddlRegions, Dictionary <int, string> regions, int?selectedId)
{
foreach (int current in regions.Keys)
{
WebControl webControl = RegionSelector.CreateOption(current.ToString(CultureInfo.InvariantCulture), regions[current]);
if (selectedId.HasValue && current == selectedId.Value)
{
webControl.Attributes.Add("selected", "true");
}
ddlRegions.Controls.Add(webControl);
}
}
protected override void CreateChildControls()
{
this.Controls.Clear();
if (!this.dataLoaded)
{
if (!string.IsNullOrEmpty(this.Context.Request.Form["regionSelectorValue"]))
{
this.currentRegionId = new int?(int.Parse(this.Context.Request.Form["regionSelectorValue"]));
}
this.dataLoaded = true;
}
if (this.currentRegionId.HasValue)
{
XmlNode region = RegionHelper.GetRegion(this.currentRegionId.Value);
if (region != null)
{
if (region.Name == "county")
{
this.countyId = new int?(this.currentRegionId.Value);
this.cityId = new int?(int.Parse(region.ParentNode.Attributes["id"].Value));
this.provinceId = new int?(int.Parse(region.ParentNode.ParentNode.Attributes["id"].Value));
}
else
{
if (region.Name == "city")
{
this.cityId = new int?(this.currentRegionId.Value);
this.provinceId = new int?(int.Parse(region.ParentNode.Attributes["id"].Value));
}
else
{
if (region.Name == "province")
{
this.provinceId = new int?(this.currentRegionId.Value);
}
}
}
}
}
this.Controls.Add(RegionSelector.CreateTitleControl(this.ProvinceTitle));
this.ddlProvinces = this.CreateDropDownList("ddlRegions1");
RegionSelector.FillDropDownList(this.ddlProvinces, RegionHelper.GetAllProvinces(), this.provinceId);
this.Controls.Add(RegionSelector.CreateTag("<span>"));
this.Controls.Add(this.ddlProvinces);
this.Controls.Add(RegionSelector.CreateTag("</span>"));
this.Controls.Add(RegionSelector.CreateTitleControl(this.CityTitle));
this.ddlCitys = this.CreateDropDownList("ddlRegions2");
if (this.provinceId.HasValue)
{
RegionSelector.FillDropDownList(this.ddlCitys, RegionHelper.GetCitys(this.provinceId.Value), this.cityId);
}
this.Controls.Add(RegionSelector.CreateTag("<span>"));
this.Controls.Add(this.ddlCitys);
this.Controls.Add(RegionSelector.CreateTag("</span>"));
Dictionary <int, string> dtCountys = new Dictionary <int, string>();
if (this.cityId.HasValue)
{
dtCountys = RegionHelper.GetCountys(this.cityId.Value);
}
Label countyTitle = RegionSelector.CreateTitleControl(this.CountyTitle);
if (dtCountys.Count <= 0)
{
countyTitle.Style.Add("display", "none");
}
else
{
countyTitle.Style.Add("display", "block");
}
this.Controls.Add(countyTitle);
this.ddlCountys = this.CreateDropDownList("ddlRegions3");
if (this.cityId.HasValue)
{
RegionSelector.FillDropDownList(this.ddlCountys, dtCountys, this.countyId);
}
if (dtCountys.Count <= 0)
{
this.ddlCountys.Style.Add("display", "none");
}
else
{
this.ddlCountys.Style.Add("display", "block");
}
this.Controls.Add(RegionSelector.CreateTag("<span>"));
this.Controls.Add(this.ddlCountys);
this.Controls.Add(RegionSelector.CreateTag("</span>"));
}