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  • ASP.NET MVC Pass mutiple params from getJson to controller

    - by andyJ
    Hi, I am making a call to a controller action in javascript using the getJson method. I need to pass two parameters to my action method on the controller, but I am struggling to do so. I do not fully understand the routing tables and not sure if this is what I need to use to get this working. Please see example below of what I am trying to do. var action = "<%=Url.Content('~/Postcode/GetAddressResults/')%>" + $get("Premise").value + "/" + $get("SearchPostcode").value $.getJSON(action, null, function(data) { $("#AddressDropDown").fillSelect(data); }); This is my route which I don't understand how to make use of... routes.MapRoute( "postcode", "Postcode/GetAddressResults/{premise}/{postcode}", new { controller = "Motor", action = "GetAddressResults", premise = "", postcode = "" });

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  • asp.net mvc changing one menu based on which controller is selected from another menu

    - by jj
    Hi, I am envisioning a site layout like this- top navigation menu linking to maybe 4 or 5 indexes of different controllers. each of these sections will be working with different model objects. Left navigation menu is specific to a controller. so, for each of the top menu buttons (corresponding to different controllers) I would like the left navigation menu to offer options only specific to the currently used controler. What's the best way to go about setting this up? Thanks!!

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  • ASP.NET MVC 2: Updating a Linq-To-Sql Entity with an EntitySet

    - by Simon
    I have a Linq to Sql Entity which has an EntitySet. In my View I display the Entity with it's properties plus an editable list for the child entites. The user can dynamically add and delete those child entities. The DefaultModelBinder works fine so far, it correctly binds the child entites. Now my problem is that I just can't get Linq To Sql to delete the deleted child entities, it will happily add new ones but not delete the deleted ones. I have enabled cascade deleting in the foreign key relationship, and the Linq To Sql designer added the "DeleteOnNull=true" attribute to the foreign key relationships. If I manually delete a child entity like this: myObject.Childs.Remove(child); context.SubmitChanges(); This will delete the child record from the DB. But I can't get it to work for a model binded object. I tried the following: // this does nothing public ActionResult Update(int id, MyObject obj) // obj now has 4 child entities { var obj2 = _repository.GetObj(id); // obj2 has 6 child entities if(TryUpdateModel(obj2)) //it sucessfully updates obj2 and its childs { _repository.SubmitChanges(); // nothing happens, records stay in DB } else ..... return RedirectToAction("List"); } and this throws an InvalidOperationException, I have a german OS so I'm not exactly sure what the error message is in english, but it says something along the lines of that the entity needs a Version (Timestamp row?) or no update check policies. I have set UpdateCheck="Never" to every column except the primary key column. public ActionResult Update(MyObject obj) { _repository.MyObjectTable.Attach(obj, true); _repository.SubmitChanges(); // never gets here, exception at attach } I've read alot about similar "problems" with Linq To Sql, but it seems most of those "problems" are actually by design. So am I right in my assumption that this doesn't work like I expect it to work? Do I really have to manually iterate through the child entities and delete, update and insert them manually? For such a simple object this may work, but I plan to create more complex objects with nested EntitySets and so on. This is just a test to see what works and what not. So far I'm disappointed with Linq To Sql (maybe I just don't get it). Would be the Entity Framework or NHibernate a better choice for this scenario? Or would I run into the same problem?

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  • Get specifc value from JSon string using JSon.Net

    - by dean nolan
    I am trying to get a value from a JSon formatted string. It was to get album info from a website called Freebase. My result is like this: { "a0": { "code": "/api/status/error", "messages": [ { "code": "/api/status/error/mql/result", "info": { "count": 20, "result": [ { "album": [ { "name": "Definitely Maybe", "release_date": "1994-08-30" } ], "artist": "Oasis", "name": "Live Forever", "type": "/music/track" }, { "album": [ { "name": "Most Wanted Rock 1", "release_date": null } ], "artist": "Oasis", "name": "Live Forever", "type": "/music/track" }, { "album": [ { "name": "Alternative 90s", "release_date": null } ], "artist": "Oasis", "name": "Live Forever", "type": "/music/track" }, { "album": [ { "name": "Live Forever: Best of Britpop", "release_date": "2003-03-03" } ], "artist": "Oasis", "name": "Live Forever", "type": "/music/track" }, { "album": [ { "name": "The Best... In the World... Ever! Volume 5", "release_date": "1997-03-31" } ], "artist": "Oasis", "name": "Live Forever", "type": "/music/track" }, { "album": [ { "name": "Live 4 Ever", "release_date": "1998-06-29" } ], "artist": "Oasis", "name": "Live Forever", "type": "/music/track" }, { "album": [ { "name": "De Afrekening, Volume 8", "release_date": "1994" } ], "artist": "Oasis", "name": "Live Forever", "type": "/music/track" }, { "album": [ { "name": "Now That's What I Call Music! 33", "release_date": null } ], "artist": "Oasis", "name": "Live Forever", "type": "/music/track" }, { "album": [ { "name": "Q: Anthems", "release_date": null } ], "artist": "Oasis", "name": "Live Forever", "type": "/music/track" }, { "album": [ { "name": "The Best Anthems... Ever! Volume 2", "release_date": null } ], "artist": "Oasis", "name": "Live Forever", "type": "/music/track" }, { "album": [ { "name": "1995 Mercury Music Prize: Ten Albums of the Year", "release_date": null } ], "artist": "Oasis", "name": "Live Forever", "type": "/music/track" }, { "album": [ { "name": "Now That's What I Call Music! 1994", "release_date": null } ], "artist": "Oasis", "name": "Live Forever", "type": "/music/track" }, { "album": [ { "name": "Indie Top 20, Volume 21", "release_date": "1995" } ], "artist": "Oasis", "name": "Live Forever", "type": "/music/track" }, { "album": [ { "name": "Dad Rocks!", "release_date": "2006-06-05" } ], "artist": "Oasis", "name": "Live Forever", "type": "/music/track" }, { "album": [ { "name": "Untitled", "release_date": null } ], "artist": "Oasis", "name": "Live Forever", "type": "/music/track" }, { "album": [ { "name": "The Greatest Hits of 1994", "release_date": "1994-10" } ], "artist": "Oasis", "name": "Live Forever", "type": "/music/track" }, { "album": [ { "name": "Top of the Pops 2", "release_date": "2000-03-27" } ], "artist": "Oasis", "name": "Live Forever", "type": "/music/track" }, { "album": [ { "name": "Q: Anthems (disc 1)", "release_date": null } ], "artist": "Oasis", "name": "Live Forever", "type": "/music/track" }, { "album": [ { "name": "Jamie Oliver's Cookin'", "release_date": "2001" } ], "artist": "Oasis", "name": "Live Forever", "type": "/music/track" }, { "album": [ { "name": "Killer Buzz", "release_date": "2001" } ], "artist": "Oasis", "name": "Live Forever", "type": "/music/track" } ] }, "message": "Unique query may have at most one result. Got 20", "path": "", "query": { "album": [ { "name": null, "release_date": null, "sort": "release_date" } ], "artist": "Oasis", "error_inside": ".", "name": "Live Forever", "type": "/music/track" } } ] }, "code": "/api/status/ok", "status": "200 OK", "transaction_id": "cache;cache04.p01.sjc1:8101;2010-03-30T18:04:20Z;0035" } I am looking to get the first album title, Definitely Maybe, from this list. I have tried parsing the string like this: JObject o = JObject.Parse(jsonString); string album = (string)o[""]; But no matter what I have tried I don't know what to put in those quotes. How would I get this specific value or be able to search for it? Thanks

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  • ASP.NET MVC2 JQuery datepicker errors

    - by Andy Evans
    I'm having the "Microsoft JScript runtime error: Object doesn't support this property or method" error when calling the datepicker function on a textbox generated from my data model. in the head section I have: <link href="../../Content/Site.css" rel="stylesheet" type="text/css" /> <script src="../../Scripts/jquery-1.4.1.min.js" type="text/javascript"></script> <script src="../../Scripts/MicrosoftAjax.js" type="text/javascript"></script> <script src="../../Scripts/MicrosoftMvcValidation.js" type="text/javascript"></script> <script type="text/javascript"> $(document).ready(function () { $('#dob').datepicker(); }); and in the body section I have: <% Html.EnableClientValidation(); %> <% using (Html.BeginForm()) { %> ... <tr> <td class="label">Date of Birth:</td> <td><%: Html.TextBoxFor(model => model.dob, new { @class = "inputtext" })%></td> <td><%: Html.ValidationMessageFor(model => model.dob) %></td> </tr> ... <% } %> Do I have something in the wrong place? Again, you folks are a great help and assistance would be greatly appreciated.

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  • Problem sub-total Matrix with rdlc report in vb.NET

    - by Keven
    Hi everyone, I have a matrix and I need to add the money earned this year and past years. However, I must remove the money spent in past years. I must have the separate amount per year and the total of these amounts. This is what gives my matrix: Year = Fields!Year.value =formatnumber((sum(Fields!Results.Value))-(sum(iif( Fields!Year.value & Parameters!choosedYear.Value, Fields!Moneyspent.value,0))), 2) & "$" However, the subtotal gives me an error. What should I do? P.S.: I already found that the subtotal gives me an error because it's not in the scope of the rowgroup1, but is there a way to get the scope in the subtotal? or can anybody find another way to do it?

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  • Custom DataAnnotation attribute with datastore access in ASP.NET MVC 2

    - by mare
    I have my application designed with Repository pattern implemented and my code prepared for optional dependency injection in future, if we need to support another datastore. I want to create a custom validation attribute for my content objects. This attribute should perform some kind of datastore lookup. For instance, I need my content to have unique slugs. To check if a Slug already exist, I want to use custom DataAnnotation attribute in my Base content object (instead of manually checking if a slug exists each time in my controller's Insert actions). Attribute logic would do the validation. So far I have come up with this: public class UniqueSlugAttribute : ValidationAttribute { private readonly IContentRepository _repository; public UniqueSlugAttribute(ContentType contentType) { _repository = new XmlContentRepository(contentType); } public override bool IsValid(object value) { if (string.IsNullOrWhiteSpace(value.ToString())) { return false; } string slug = value.ToString(); if(_repository.IsUniqueSlug(slug)) return true; return false; } } part of my Base content class: ... [DataMember] public ContentType ContentType1 { get; set; } [DataMember] [Required(ErrorMessageResourceType = typeof (Localize), ErrorMessageResourceName = "Validation_SlugIsBlank")] [UniqueSlug(ContentType1)] public string Slug { get { return _slug; } set { if (!string.IsNullOrEmpty(value)) _slug = Utility.RemoveIllegalCharacters(value); } } ... There's an error in line [UniqueSlug(ContentType1)] saying: "An attribute argument must be a constant expression, typeof expression or array creation expression of an attribute parameter type." Let me explain that I need to provide the ContentType1 parameter to the Constructor of UniqueSlug class because I use it in my data provider. It is actually the same error that appears if you try do to this on the built-in Required attribute: [Required(ErrorMessageResourceType = typeof (Localize), ErrorMessageResourceName = Resources.Localize.SlugRequired] It does not allow us to set it to dynamic content. In the first case ContentType1 gets known at runtime, in the second case the Resources.Localize.SlugRequired also gets known at runtime (because the Culture settings are assigned at runtime). This is really annoying and makes so many things and implementation scenarios impossible. So, my first question is, how to get rid of this error? The second question I have, is whether you think that I should redesign my validation code in any way?

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  • modalpopupextender and commas appearing in my textbox asp.net

    - by SLC
    Some weird stuff is happening, I am converting an application that used to use javascript to open another web page in a tiny window for data input to use a ModalPopupExtender. It seems to work fine, but in the OK event, when I do txtData.Text (the textbox in my modal popup), it comes back with a comma before the data, so if you type "Rabbit", it comes back as ",Rabbit". Also when I use it multiple times, in another place where I might click to show it, and type "Fish", it starts coming back with stuff like ",Rabbit,,Fish" I don't know why or how to stop it from doing this... any ideas?

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  • ASP.NET MVC DropDownList Validation

    - by Andrew Florko
    Hello everybody, I have [DisplayName("Country")] public List<SelectListItem> Countries { get; set; } property in Model class for DropDownList. When I try to check if the ModelState.IsValid on form postback it's always false & error for Countries tells "Can't convert [value] to SelectListItem" or some of a kind. I figured out there is no straight-forward mapping for drop down selected value (looks like I'll have to read value from Form value collection), but how can I ignore binding and validation for List property? I just want to make ModelState.IsValid attribute to be true if all the other fields are populated properly. Thank you in advance

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  • ASP.Net GridView Sorting

    - by Ali Shafai
    I have a grid view with AllowSorting set to true. I get an event onsorting when a sortable header is clicked on. the handler has a parameter "GridViewSortEventArgs e" which has a SortDirection property on it. regardless of how many times you click on the same heading, the SortDirection is always Ascending. I think I'm missing something, like a way to tell the grid "now you are sorted based on column one and in ascending order", so that next time the grid sees a click on the "column one" heading, it decides to go descending. any help appreciated. Cheers, Ali

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  • ASP.NET MVC Html Helper Extensions and Rendering Their Required "include"s

    - by Jimbo
    I have build a custom Html Helper extension as follows: public static string DatePicker(this HtmlHelper helper, string name, string value) { return string.Format(@"<script type='text/javascript'> $(document).ready(function(){{ $('#{0}').datepicker({{ changeMonth: true, changeYear:true, dateFormat: 'd-M-yy', firstDay: 1, showButtonPanel: true, showWeek: true }}); }}); </script> <input type='text' name='{0}' id='{0}' value='{1}'>", name, value); } The problem is that this now requires the page to "include" the following: <script src="/Scripts/jquery-1.4.2.min.js" type="text/javascript"></script> <script src="/Scripts/jquery.ui.datepicker.min.js" type="text/javascript"></script> And a few other items. The questions are as follows: Is there a serious processing overhead if I were to include these items in EVERY page (like in the Site.Master for example) thus negating the need for the HtmlHelper to organise the "includes" - considering there would end up being about 20 includes for all the different types of jQuery UI widgets used throughout the site. If the HtmlHelper sorts out the "includes", it will add one every time this DatePicker is used (often there are two on a page) Does anyone have a way of determining whether or not the user has already rendered the same type of control on the page, thus not re-including the same jquery libraries when multiple instances of the DatePicker (for example) are used?

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  • the best way to connect sql server (Windows authentication vs SQL Server authentication) for asp.net

    - by Brij
    I have a database and a site having forms authentication. It is working fine with VS2008. This time, I am using "Trusted_connection =True". But when it is opened from outside or directly from browser then I am getting error "Login failed for user 'NT AUTHORITY\ANONYMOUS LOGON'." I know this is due to permission. SQL server is based on windows authentication. What is the best approach to manage user to connect SQL Server? Should I enable SQL Server authentication? Let me know what to do so that it makes the production feel and there wouldn't be any problem during deployment. Note: SQL Server is installed on domain server.

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  • Creating ViewResults outside of Controllers in ASP.NET MVC

    - by Craig Walker
    Several of my controller actions have a standard set of failure-handling behavior. In general, I want to: Load an object based on the Route Data (IDs and the like) If the Route Data does not point to a valid object (ex: through URL hacking) then inform the user of the problem and return an HTTP 404 Not Found Validate that the current user has the proper permissions on the object If the user doesn't have permission, inform the user of the problem and return an HTTP 403 Forbidden If the above is successful, then do something with that object that's action-specific (ie: render it in a view). These steps are so standardized that I want to have reusable code to implement the behavior. My current plan of attack was to have a helper method to do something like this: public static ActionResult HandleMyObject(this Controller controller, Func<MyObject,ActionResult> onSuccess) { var myObject = MyObject.LoadFrom(controller.RouteData). if ( myObject == null ) return NotFound(controller); if ( myObject.IsNotAllowed(controller.User)) return NotAllowed(controller); return onSuccess(myObject); } # NotAllowed() is pretty much the same as this public static NotFound(Controller controller){ controller.HttpContext.Response.StatusCode = 404 # NotFound.aspx is a shared view. ViewResult result = controller.View("NotFound"); return result; } The problem here is that Controller.View() is a protected method and so is not accessible from a helper. I've looked at creating a new ViewResult instance explicitly, but there's enough properties to set that I'm wary about doing so without knowing the pitfalls first. What's the best way to create a ViewResult from outside a particular Controller?

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  • Implicit casting in VB.NET

    - by Shimmy
    The question is intended for lazy VB programmers. Please. In vb I can do and I won't get any errors. Example 1 Dim x As String = 5 Dim y As Integer = "5" Dim b As Boolean = "True" Example 2 Dim a As EnumType = 4 Dim v As Integer = EnumType.EnumValue Example 3 Private Sub ButtonClick(sender As Object, e As EventArgs) Dim btn As Button = sender End Sub Example 4 Private Sub ButtonClick(sender As Button, e As EventArgs) Dim data As Contact = sender.Tag End Sub If I surely know the expected runtime type, is this 'forbidden' to rely on the vb-language built-in casting? When can I rely? Thanks

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  • .net WCF DateTime

    - by freddy smith
    I want to be able to safely send DateTime's over WCF without having to worry about any implicit or automatic TimeZone conversions. The dates I want to send are "logical" dates. year month day, there should be no time component. I have various server processes and client process that run on a variety of machines with different TimeZone settings. What I would like to ensure is that when a user enters a date in a textfield (or uses a date picker component) on any client that exact what they see at data entry is what is sent over WCF, used by the server and seen by other clients when they request the data. I am a little confused by the various questions and answers on this site concerning DateTime.Kind (unspecified, UTC, local).

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  • C# (ADO.Net): Defining DateDiff for a calculated column in a datatable

    - by Nir
    I have the column DateTimeExpired, and I would like to create another column called "Expired" which will show "Yes" or "No" according to the expiration date - "Yes" if the date has already passed. I wrote this: DataColumn colExpirationDate = new DataColumn("DateTimeExpired", typeof(DateTime)); DataColumn colExpired = new DataColumn("Expired", typeof(string), "IIF(DateDiff(DateTimeExpired, date())>= 0,'No','Yes')"); But I get an exception "The expression contains undefined function call DateDiff()." (please note that I always want to get the row, no matter if it's expired or not) How do I set the column's text to the correct form? Thanks!

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  • ASP.net access controls dynamically

    - by c11ada
    hey all, i have a table which looks similar to this <asp:TableRow><asp:TableCell>Question 1</asp:TableCell><asp:TableCell ID ="Question1Text"></asp:TableCell></asp:TableRow> <asp:TableRow><asp:TableCell ColumnSpan="2"> <asp:RadioButtonList ID="RadioButtonList1" runat="server"><asp:ListItem>Yes</asp:ListItem><asp:ListItem>No</asp:ListItem> </asp:RadioButtonList> </asp:TableCell></asp:TableRow> <asp:TableRow><asp:TableCell> <asp:TextBox ID="TextBox1" TextMode="MultiLine" runat="server"></asp:TextBox></asp:TableCell></asp:TableRow> <asp:TableRow><asp:TableCell>Question 2</asp:TableCell><asp:TableCell ID ="Question2Text"></asp:TableCell></asp:TableRow> <asp:TableRow><asp:TableCell ColumnSpan="2"> <asp:RadioButtonList ID="RadioButtonList2" runat="server"><asp:ListItem>Yes</asp:ListItem><asp:ListItem>No</asp:ListItem> </asp:RadioButtonList> </asp:TableCell></asp:TableRow> <asp:TableRow><asp:TableCell> <asp:TextBox ID="TextBox2" TextMode="MultiLine" runat="server"></asp:TextBox></asp:TableCell></asp:TableRow> i want to be able to systematically acces table cells with ID's for example for (int i = 1; i<3 ; i++) { // i want to be able to access the table cell with the ID Question1Text then Question2Text and so on } is this even possible ??

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  • ASP.NET MVC model binding with nested child models and PartialViews

    - by MartinHN
    I have a model called Page, which has a property called Content of type EditableContent. EditableContent have SidebarLeft and SidebarRight (type TemplateSection). I want to edit the Page instance, in my Edit.aspx view. Because EditableContent is also attached to other models, I have a PartialView called ContentEditor.ascx that is strongly typed and takes an instance of EditableContent and renders it. The rendering part all works fine, but when I post - everything inside my ContentEditor is not binded - which means that Page.Content is null. On the PartialView, I use the strongly typed Html Helpers to do this: <%= Html.HiddenFor(m => m.TemplateId) %> And so on. But because the input elements on the form, rendered by ContentEditor.ascx, does not get the "Content" prefix to its id attribute - the values are not binded to Page. So to overcome this, I've definitely done the wrong thing. Used loosely typed Html Helpers instead: <%= Html.Hidden("Content.TemplateId", Model.TemplateId) %> And when I'm dealing with a property that is a List of something it gets very ugly. I then have to render collection indexes manually... doh What am I missing here? A BindPrefix in the controller action that the Form is being posted to? Should I put both Page and EditableContent as parameters to the controller action: public ActionResult Edit(Page page, EditableContent content) { ... } Any help is much appreciated!

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  • asp.net MVC 1.0 and 2.0 currency model binding

    - by David Liddle
    I would like to create model binding functionality so a user can enter ',' '.' etc for currency values which bind to a double value of my ViewModel. I was able to do this in MVC 1.0 by creating a custom model binder, however since upgrading to MVC 2.0 this functionality no longer works. Does anyone have any ideas or better solutions for performing this functionality? A better solution would be to use some data annotation or custom attribute. public class MyViewModel { public double MyCurrencyValue { get; set; } } A preferred solution would be something like this... public class MyViewModel { [CurrencyAttribute] public double MyCurrencyValue { get; set; } } Below is my solution for model binding in MVC 1.0. public class MyCustomModelBinder : DefaultModelBinder { public override object BindModel(ControllerContext controllerContext, ModelBindingContext bindingContext) { object result = null; ValueProviderResult valueResult; bindingContext.ValueProvider.TryGetValue(bindingContext.ModelName, out valueResult); bindingContext.ModelState.SetModelValue(bindingContext.ModelName, valueResult); if (bindingContext.ModelType == typeof(double)) { string modelName = bindingContext.ModelName; string attemptedValue = bindingContext.ValueProvider[modelName].AttemptedValue; string wantedSeperator = NumberFormatInfo.CurrentInfo.NumberDecimalSeparator; string alternateSeperator = (wantedSeperator == "," ? "." : ","); try { result = double.Parse(attemptedValue, NumberStyles.Any); } catch (FormatException e) { bindingContext.ModelState.AddModelError(modelName, e); } } else { result = base.BindModel(controllerContext, bindingContext); } return result; } }

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  • creating new usercontrols at runtime in ASP.NET MVC

    - by Paul Connolly
    Hi everyone, My situation is that the user is creating an entity on my site which contains the particlars of the driectors of that company, name address etc.. The Director form is a separate user control with the appropriate textboxes etc. At run time we don't know how many of these directors there will be so I need one to be able to use something like an "ADD DIRECTOR" or "DELETE DIRECTOR" button which will present or delete the another usercontrol to add the additional director. Currently I am trying to make this happen within a pane of the JQuery Accordion control. I have looked many places for how to do this but to no avail. Can anyone tell me where I might find some inforamation about how I can do this? All the best Paul

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