public CascadingDropDownNameValue[] GetTrafficAreas(string knownCategoryValues, string category, string contextKey)
{
int controlAreaID;
//this stringdictionary contains has table with key value
//pair of cooountry and countryID
StringDictionary countryValues = AjaxControlToolkit.CascadingDropDown.ParseKnownCategoryValuesString(knownCategoryValues);
controlAreaID = Convert.ToInt32(countryValues["ControlArea"]);
Facade.ITrafficArea facTrafficArea = new Facade.Traffic();
DataSet dsTrafficAreas = facTrafficArea.GetForControlAreaId(controlAreaID);
var ret = (from dr in dsTrafficAreas.Tables[0].AsEnumerable()
select new CascadingDropDownNameValue
{
name = dr.Field <string>("Description"),
value = (dr.Field <int>("TrafficAreaId")).ToString()
}).ToArray();
foreach (var v in ret)
{
if (v.value == contextKey)
{
v.isDefaultValue = true;
break;
}
}
return(ret);
}
private void BindTrafficAreas(int controlAreaId)
{
cboControlArea.ClearSelection();
cboControlArea.Items.FindByValue(controlAreaId.ToString()).Selected = true;
Facade.ITrafficArea facTrafficArea = new Facade.Traffic();
cboTrafficArea.DataSource = facTrafficArea.GetForControlAreaId(controlAreaId);
cboTrafficArea.DataBind();
cboTrafficArea.ClearSelection();
}
/// <summary>
/// The user has selected a control area to configure traffic areas for.
/// </summary>
private void cboControlArea_SelectedIndexChanged(object sender, EventArgs e)
{
int controlAreaId = Convert.ToInt32(cboControlArea.SelectedValue);
using (Facade.IControlArea facControlArea = new Facade.Traffic())
{
m_controlArea = facControlArea.GetForControlAreaId(controlAreaId);
ViewState[C_CONTROL_AREA_VS] = m_controlArea;
}
ConfigureControlAreaManipulation(eControlAreaManipulation.ConfigureTrafficAreas);
}
/// <summary>
/// The user has selected a control area to alter - allow them to change the description and code.
/// </summary>
private void btnAlterControlArea_Click(object sender, EventArgs e)
{
btnAlterControlArea.DisableServerSideValidation();
if (Page.IsValid)
{
int controlAreaId = Convert.ToInt32(cboControlArea.SelectedValue);
using (Facade.IControlArea facControlArea = new Facade.Traffic())
{
m_controlArea = facControlArea.GetForControlAreaId(controlAreaId);
ViewState[C_CONTROL_AREA_VS] = m_controlArea;
}
ConfigureControlAreaManipulation(eControlAreaManipulation.AddControlArea);
}
}
private void ConfigureControlAreaManipulation(eControlAreaManipulation manipulation)
{
pnlConfigureControlAreasTrafficAreas.Visible = false;
pnlAddTrafficAreaToControlArea.Visible = false;
pnlConfigureControlArea.Visible = false;
// Configure the manipulation panels
switch (manipulation)
{
case eControlAreaManipulation.ConfigureTrafficAreas:
pnlConfigureControlAreasTrafficAreas.Visible = true;
cboControlAreaTrafficAreas.SelectedIndex = -1;
using (Facade.ITrafficArea facTrafficArea = new Facade.Traffic())
cboControlAreaTrafficAreas.DataSource = facTrafficArea.GetForControlAreaId(m_controlArea.ControlAreaId);
cboControlAreaTrafficAreas.DataTextField = "Description";
cboControlAreaTrafficAreas.DataValueField = "TrafficAreaId";
cboControlAreaTrafficAreas.DataBind();
break;
case eControlAreaManipulation.AddTrafficArea:
pnlConfigureControlAreasTrafficAreas.Visible = true;
pnlAddTrafficAreaToControlArea.Visible = true;
cboAddTrafficArea.SelectedIndex = -1;
using (Facade.ITrafficArea facTrafficArea = new Facade.Traffic())
cboAddTrafficArea.DataSource = facTrafficArea.GetAll();
cboAddTrafficArea.DataTextField = "Description";
cboAddTrafficArea.DataValueField = "TrafficAreaId";
cboAddTrafficArea.DataBind();
break;
case eControlAreaManipulation.AddControlArea:
pnlConfigureControlArea.Visible = true;
if (m_controlArea != null)
{
txtControlAreaDescription.Text = m_controlArea.ControlAreaName;
btnActionControlArea.Text = "Update";
}
else
{
txtControlAreaDescription.Text = String.Empty;
btnActionControlArea.Text = "Add";
}
break;
case eControlAreaManipulation.SelectControlArea:
// Set the control area
m_controlArea = null;
ViewState[C_CONTROL_AREA_VS] = m_controlArea;
// Set the drop down list
cboControlArea.SelectedIndex = -1;
using (Facade.IControlArea facControlArea = new Facade.Traffic())
cboControlArea.DataSource = facControlArea.GetAll();
cboControlArea.DataTextField = "Description";
cboControlArea.DataValueField = "ControlAreaId";
cboControlArea.DataBind();
cboControlArea.Items.Insert(0, new ListItem("-- Select a Control Area -- ", "-1"));
break;
}
}