動的にカスケードされたRadComboユーザコントロールを作成する

Question

私は2つのRadCombosカスケードされたユーザコントロールを持っています。実行時にこれらをページに追加しようとしています。問題は、ユーザーコントロールのPage_Load JS関数が決して起動しないことです。 aspx.csのPage_Loadが発生するたびにIsPostbackが常にtrueになります。誰も助けることができますか？背後

コントロールコード：

public partial class ctrlCascadedProcedureDropDown : System.Web.UI.UserControl 
{ 
    public int ProcedureTypeSelectedValue { get; set; } 
    public int ProcedureSelectedValue { get; set; } 

    protected void Page_Load(object sender, EventArgs e) 
    { 
     if (!IsPostBack) 
     { 
      LoadProcedureTypes(); 

      if (ProcedureTypeSelectedValue > 0) 
       LoadProcedures(ProcedureTypeSelectedValue.ToString()); 

      rcbProcedureType.SelectedValue = ProcedureTypeSelectedValue.ToString(); 
      rcbProcedure.SelectedValue = ProcedureSelectedValue.ToString(); 
     } 
     else if (!Page.IsCallback) 
     { 
      if (rcbProcedureType != null) 
       LoadProcedures(rcbProcedureType.SelectedValue); 
     } 
    } 

    protected void rcbProcedureType_ItemsRequested(object o, RadComboBoxItemsRequestedEventArgs e) 
    { 
     LoadProcedureTypes(); 
    } 

    protected void rcbProcedure_ItemsRequested(object o, RadComboBoxItemsRequestedEventArgs e) 
    { 
     LoadProcedures(e.Text); 
    } 

    protected void LoadProcedureTypes() 
    { 
     TARNDB.OpsProcedureType opsProcedureType = new TARNDB.OpsProcedureType(); 
     rcbProcedureType.DataSource = opsProcedureType.GetProcedureTypes().OrderBy(x => x.ProcedureType);; 
     rcbProcedureType.DataValueField = "ID"; 
     rcbProcedureType.DataTextField = "ProcedureType"; 
     rcbProcedureType.DataBind(); 

     rcbProcedureType.Items.Insert(0, new RadComboBoxItem("")); 
    } 

    protected void LoadProcedures(string proceduretypeid) 
    { 
     int _proceduretypeid; 
     if (int.TryParse(proceduretypeid, out _proceduretypeid)) 
     { 
      TARNDB.OpsProcedure opsProcedure = new TARNDB.OpsProcedure(); 
      rcbProcedure.DataSource = opsProcedure.GetProcedures(_proceduretypeid).OrderBy(x => x.ProcedureName); ; 
      rcbProcedure.DataValueField = "ID"; 
      rcbProcedure.DataTextField = "ProcedureName"; 
      rcbProcedure.DataBind(); 
     } 
    } 
} 

コントロールのマークアップ：

<div> 
<telerik:RadComboBox ID="rcbProcedureType" runat="server" 
    OnClientSelectedIndexChanging="LoadProcedures" 
    OnItemsRequested="rcbProcedureType_ItemsRequested" /> 
<telerik:RadComboBox ID="rcbProcedure" runat="server" Width="250px" 
    OnClientItemsRequested="ItemsLoaded" 
    OnItemsRequested="rcbProcedure_ItemsRequested" /> 
</div> 

<script type="text/javascript"> 

var rcbProcedure; 
var rcbProcedureType; 

function pageLoad() { 
    rcbProcedure = $find("<%= rcbProcedure.ClientID %>"); 
    rcbProcedureType = $find("<%= rcbProcedureType.ClientID %>"); 

    alert("in"); 
} 

function LoadProcedures(sender, eventArgs) { 
    var item = eventArgs.get_item(); 
    rcbProcedure.set_text("Loading..."); 

    // if a procedure type is selected 
    if (item.get_index() > 0) { 
     // this will fire the ItemsRequested event of the 
     // procedures combobox passing the procedureTypeID as a parameter 
     rcbProcedure.requestItems(item.get_value(), false); 
    } 
    else { 
     // the -Select a continent- item was chosen 
     rcbProcedure.set_text(" "); 
     rcbProcedure.clearItems(); 
    } 
} 

function ItemsLoaded(sender, eventArgs) { 
    if (sender.get_items().get_count() > 0) {    
     // pre-select the first item 
     sender.set_text(sender.get_items().getItem(0).get_text()); 
     sender.get_items().getItem(0).highlight(); 
    } 
    //sender.showDropDown(); 
} 

</script> 

電話番号：

public partial class Operations : BasePage 
{ 
    public List<DynamicControl> DynamicControls 
    { 
     get 
     { 
      return (List<DynamicControl>)Session["_DynamicControls"]; 
     } 
     set 
     { 
      Session["_DynamicControls"] = value; 
     } 
    } 

    protected void Page_Init(object sender, EventArgs e) 
    { 
     if (!IsPostBack) 
     { 
      DynamicControls = null; 
     } 
     else 
     { 
      if (DynamicControls != null && DynamicControls.Count > 0) 
      { 
       foreach (DynamicControl control in DynamicControls) 
       { 
        ctrlCascadedProcedureDropDown cpd = new ctrlCascadedProcedureDropDown(); 
        cpd.ID = control.ID; 

        switch (control.PlaceHolder.ID) 
        { 
         case "phProcedure": 
          phProcedure.Controls.Add(cpd); 
          phProcedure.Controls.Add(new Literal() { Text = "<BR />" }); 
          break; 
         default: 
          break; 
        } 
       } 
      } 
     } 
    } 

    protected void btnAddProcedure_Click(object sender, EventArgs e) 
    { 
     AddDynamicProcedureControl("Procedure", phProcedure); 
    } 

    private void AddDynamicProcedureControl(string name, PlaceHolder placeHolder, int procedureTypeSelectedValue = 0, 
     int procedureSelectedValue = 0) 
    { 
     Control control = LoadControl("~/Controls/ctrlCascadedProcedureDropDown.ascx"); 
     ctrlCascadedProcedureDropDown cpd = (ctrlCascadedProcedureDropDown)control; 

     int controlCount = (DynamicControls == null ? 0 : DynamicControls.Count); 
     string ID = string.Concat(name, controlCount.ToString()); 
     cpd.ID = ID; 
     cpd.ProcedureTypeSelectedValue = procedureTypeSelectedValue; 
     cpd.ProcedureSelectedValue = procedureSelectedValue; 

     DynamicControl dc = new DynamicControl() { ID = ID, PlaceHolder = placeHolder }; 
     if (DynamicControls == null) 
      DynamicControls = new List<DynamicControl>(); 
     DynamicControls.Add(dc); 

     placeHolder.Controls.Add(cpd); 
     placeHolder.Controls.Add(new Literal() { Text = "<BR />" }); 
    } 

    private List<int> GetDynamicList(PlaceHolder placeHolder) 
    { 
     List<int> list = null; 
     list = new List<int>(); 
     foreach (Control control in placeHolder.Controls) 
     { 
      if (control is GenericDropDown) 
      { 
       int id; 
       if (int.TryParse(((GenericDropDown)control).SelectedValue, out id) && id > 0) 
        list.Add(id); 
      } 
     } 

     return list; 
    } 
} 

多くのおかげで、 ポール

Answer 1

私はしませんでしたLoaを使ってPageInItのdControl。