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Questions tagged [modelmetadata]

88 questions
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Do model metadata providers in ASP.NET MVC 3 support dynamic metadata?

I'm trying to implement some custom model metadata in ASP.NET MVC 3. I can't use data annotation attributes since some of the metadata could change based on configured values, so I need a solution that will let me set the metadata on every request.…
Dave A
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ability to change the ModelMetadataProviders.Current in areas

I have a special case where I would need the ability to use multiple ModelMetadaProviders in an application. Certain area would use a specific provider, another area will use some other. I mainly need this because each of those providers uses…
mare
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Is there any out of the box code to serialize a model to Key Value Pairs using ModelMetaData?

I know that ModelMetadata is used to bind values from a model to fields. Is there any out of the box MVC code that will take a model and use it's ModelMetadata to generate KeyValuePairs for the values of all of it's properties?
Oved D
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Change field in model metadata to read only in runtime based on criteria

I'm creating a generic interface for editing pages and on some pages eg the start page I need to disable or remove some fields. The form is rendered with Html.EditorFor. What is the best way of doing this?
marcus
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RedBean PHP: Is there a way to protect a database column from being changed? (ex: insertion_date )

Already used as many ORMs as you can imagine. At moment I'm in a love / hate crush with RedBean PHP. Here we go... after a few hours studying it I got a doubt about whats the better way to solve this very basic problem (best way means, in this case,…
marcio
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Html.LabelFor does not use Name from DisplayAttribute

I have a model like this [MetadataType(typeof(PageMetadataMetadata))] public class PageMetadata : IPageMetadata { public virtual string Name { get; set; } } and my metadata class like this internal class PageMetadataMetadata { [Display(Name…
marcus
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Inconsistent behavior in HtmlHelper methods retrieving model metadata

I’m tracing down an unexpected behavior in MVC3, having to do with how it gets model metadata. I had previously talked to one of my developers about using the same EditorTemplate for some data which is collected in two different areas of the system.…
Mark Shapiro
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How can I get AdditionMetadata attribute from the controller?

In some class, let say Class A, I have a property (of type B): public class A { ... [AdditionalMetadata("foo", "bar")] public B attr {get; set;} ... } Later on, in my controller, I instantiate this class and make it a model: ... A obj = new…
igorludi
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Modify DataType attribute dynamically in ASP.NET MVC

I have a ViewModel containing this property: [Display(Name = "Email")] [DataType(DataType.EmailAddress)] [DisplayFormat(NullDisplayText = "Unavailable")] public string Email { get; set; } Is there a way to set the DataType…
Wadjey
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Customize ModelMetadata with CreateMetadata

The first time a user chooses a value from a select list, we show a default option with the text Pick one and value -1. To help with this we have a custom attribute NotEqualAttribute. When a drop-down list is required we have to use both attributes…
Razcer
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ASP.NET MVC 3 Data Attributes - Programmatically Set UIHint from Controller

If i have a ViewModel like this: public class SignupViewModel { [Required] [DisplayName("Email:")] public string EmailAddress { get; set; } } And use EditorFor to render out the form fields: @Html.EditorFor(model => model.EmailAddress…
RPM1984
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Source Code for DataAnnotationsModelMetadataProvider

For some reason, .NET Reflector throws an exception when I try to reflect on this class. It works for everything else. What is the source code of DataAnnotationsModelMetadataProvider, please?
smartcaveman
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Solution to metadata.HideSurroundingHtml not working

I have written a custom DataAnnotationsModelMetadataProvider that sets HideSurroundingHtml dynamically. public class ContentDrivenModelMetadataProvider : DataAnnotationsModelMetadataProvider { protected override ModelMetadata…
Dan
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How do I populate the Watermark property on ModelMetaData?

I've just finished reading http://bradwilson.typepad.com/blog/2009/10/aspnet-mvc-2-templates-part-2-modelmetadata.html In the article Brad lists the Watermark property but there is no mention of which DataAnnotation is used to populate it.
Kirschstein
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Finding target of LinFu proxy object

This is pretty much a duplicate question but instead of using Castle Dynamic Proxy I'm using LinFu Getting underlying type of a proxy object I'm using automapper to create proxies of interfaces that I'm sending to my viewmodel in Asp.net MVC. My…
John Farrell
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