AJAX :: Cannot Develop Modal Popup?
Sep 6, 2010
I have attached all the code below but I am not able to get this working. Would be great if you can look into correcting this.
I have Test.aspx which has a place holder, calls TestModal class. The TestModal job is to load TestUC.ascx as a modal popup loading DisplayCtrl.ascx controls in it.
Test.aspx
[Code]....
Test.aspx.vb
[Code]....
TestModal.vb
[Code]....
TestUC.ascx
[Code]....
TestUC.ascx.vb
[Code]....
DisplayCtrl.ascx
[Code]....
DisplayCtrl.ascx.vb
[Code]....
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[Code] .....
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[Code] ....
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[Code]....
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Lets say I have a user control AjaxUC.
<asp:ModalPopupExtender ID="modalSearch" runat="server" TargetControlID="btnHiddenSearch"
PopupControlID="pnlModalSearch" DropShadow="false" RepositionMode="RepositionOnWindowResize"
Drag="false" BackgroundCssClass="modalBackground" >
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<asp:Button ID="btnHiddenSearch" runat="server" Style="display: none" />
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<asp:Panel ID="pnlModalSearchContent" runat="server">
<asp:Label ID="lblSearchTitle" runat="server" CssClass="modalPopupTitle"></asp:Label>
<div id="divContent" runat="server">
</div>
<asp:Button ID="btnModalSearchClose" runat="server" Text="Close" CausesValidation="false"
OnClick="BtnModalSearchCloseClick" />
</asp:Panel>
</asp:Panel>
<input type="hidden" id="hdVisible" runat="server" />
------------------------------------------------------------------------ AjaxUC.ascx.cs:-
public partial class AjaxUC : System.Web.UI.UserControl { private ITemplate _content = null; [TemplateInstance(TemplateInstance.Single)] [TemplateContainer(typeof(Container))] [PersistenceMode(PersistenceMode.InnerProperty)] public ITemplate Content { get
{ return _content; } set
{ _content = value; } } void Page_Init() { if (_content != null) { Container container = new Container(); _content.InstantiateIn(container); divContent.Controls.Add(container); lblSearchTitle.Text = LblModalSearchText; } } protected void Page_Load(object sender, EventArgs e) { if (hdVisible.Value=="true") { modalSearch.Show(); } } } public class Container : Control, INamingContainer { internal Container() { } }}
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________________________________________________________________________
Now I am trying to convert this user control to Custom Control and my code is:-
[ParseChildren(true)] [PersistChildren(true)] public class DNAWebAjaxTool : PlaceHolder { public event EventHandler BtnModalSearchCloseClickEvent; public event EventHandler Click; private ITemplate _content = null; private HtmlInputHidden _hdVisible; private Panel _pnlModalSearchContent; private Panel _pnlModalSearch; private ModalPopupExtender _modalSearch; private Button _btn; private DivContainer divContent = new DivContainer(); private string _viewState; public DNAWebAjaxTool() { } public Panel PnlModalSearchContent { get
{ if (_pnlModalSearchContent == null) { _pnlModalSearchContent = new Panel(); } return _pnlModalSearchContent; } } public ModalPopupExtender ModalSearch { get
{ if (_modalSearch == null) { _modalSearch = new ModalPopupExtender(); } return _modalSearch; } } public string ViewState { get
{ return _viewState; } set
{ _viewState = value; } } public HtmlInputHidden HdVisible { get
{ if (_hdVisible == null) { _hdVisible = new HtmlInputHidden(); } return _hdVisible; } } [TemplateInstance(TemplateInstance.Single)] [TemplateContainer(typeof(DivContainer))] [PersistenceMode(PersistenceMode.InnerProperty)] public ITemplate Content { get
{ return _content; } set
{ _content = value; } } protected override void OnInit(EventArgs e) { _content.InstantiateIn(divContent); base.Controls.Add(divContent); base.OnInit(e); } protected override void OnLoad(EventArgs e) { if (HdVisible.Value == "true") { ModalSearch.Show(); } base.OnLoad(e); } void _btn_Click(object sender, EventArgs e) { BtnModalSearchCloseClickEvent(sender, e); } public virtual void Hide() { PnlModalSearchContent.Visible = false; ModalSearch.Hide(); ViewState = "false"; } public virtual void Show() { PnlModalSearchContent.Visible = true; ModalSearch.Show(); ViewState = "true"; } protected override void CreateChildControls() { base.CreateChildControls(); } protected override void Render(HtmlTextWriter writer) { if (ViewState == "true") { _modalSearch = new ModalPopupExtender(); _modalSearch.ID = "modalSearch"; _modalSearch.TargetControlID = "btnHiddenSearch"; _modalSearch.PopupControlID = "pnlModalSearch"; _modalSearch.DropShadow = false; _modalSearch.RepositionMode = AjaxControlToolkit.ModalPopupRepositionMode.RepositionOnWindowResize; _modalSearch.Drag = false; _modalSearch.BackgroundCssClass = "modalBackground"; _modalSearch.Show(); _btn = new Button(); _btn.ID = "btnHiddenSearch"; _btn.Style.Value = "display: none"; _btn.RenderControl(writer); _pnlModalSearch = new Panel(); _pnlModalSearch.ID = "pnlModalSearch"; _pnlModalSearch.CssClass = "modalPopup"; _pnlModalSearch.RenderControl(writer); PnlModalSearchContent.ID = "pnlModalSearchContent"; PnlModalSearchContent.RenderControl(writer); divContent.RenderControl(writer); _btn = new Button(); _btn.ID = "btnModalSearchClose"; _btn.Text = "Close"; _btn.CausesValidation = false; _btn.Click += new EventHandler(_btn_Click); _btn.RenderControl(writer); } } } public class DivContainer : Control, INamingContainer { internal DivContainer() { } }
________________________________________________________________________________________________
The problem I am facing is that the modalpopup extennder is not coming up as a popup.
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[code].....
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The following is the markup for the Error Panel
[Code]....
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[Code]....
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ASP-Control for PopUp (PopUp.ascx):
[Code]....
CodeBehind: PopUp.ascx.cs to show the ModalPopUp
[Code]....
Our test: We set the Button "UIButtonHiddenTarget" visible (remove the css Style="display: none;)
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The mark up for the panel is as below:
[Code]....
When i tried to implement the tab index ,it is not working correctly.
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