I'm having problems with getting my custom dataannotations to work, I'm trying to add a validation-attribute that validates that the UsergroupName for a Customer (CustomerID) is unique.
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the IsValid should return false if the "count >0". How do I fix this one so it works. GetUsergroups() returns IQueryable<Usergroup>.
Is there a way to use DataAnnotations for validation, particulary in MVC, while relying on a custom resource provider ?
I built a custom SQL based resource provider for the asp.net side of my MVC application. At this point I'm down in the model section and want to use DataAnnotations for validation. Something like ...
I have 2 custom validator controls on my page but for some strange reason the Custom Validator for FileUpload control works and the custom validator for TextBox control does not work. Here is the aspx code:
I need to check if ANY of the checkboxes are selected from the gridview.. if atleast 1 is selected, then continue, if none are checked then return the error message so they can make a selection, below is what i have.. if i have all checkboxes checked, then everything works, but if i only have 1 then it doesnt work..
I created a custom forms authentication and membership provider and it seems to work fine opening up in WAT, creating roles and adding users. Also when I in my mvc app use it to log users in, it works fine. However it seems to fail to determine a user's role (no errors, but just jump over User.IsInRole(...) lines and Roles.GetRolesForUser(); comes up empty. I got a gut feeling I did something wrong with my configuration, so for now I'll post just that:
I am using recaptcha in an ASP.NET 3.5 application and for some odd reason the ErrorMessage property is not working. Below is my code
<recaptcha:RecaptchaControl ID="recaptcha" runat="server" PublicKey="*******************************" PrivateKey="*******************" Theme="white" ErrorMessage="This is an typo error" />
When the typed text doesn't match with the recaptcha image text it still shows the default error message "Incorrect. Try again." instead of my custom error message. What could be the reason for this strange behavior
I have a table that displays data by year. The year headings and data selections are dynamically generated, so that the code does not need to be changed every year. Each cell has 2 validators on it, and the ErrorMessages for each validator needs to say the item and the year. On top of that, the validators are in FormView templates. I know how to set the ErrorMessage text in code behind, but I am wondering if there is a way to do it more efficiently. Right now for each cell I have to code:
string Year1_Text = ...code to set the year... RequiredFieldValidator Year1_Item1 = (RequiredFieldValidator) FormView1.Findcontrol("Year1_Item1RequiredFieldValidator"); Year1_Item1.ErrorMessage = Year1_Text + " Data Item Is Required"; CompareValidator Year1_Item1 = (CompareValidator) FormView1.Findcontrol("Year1_Item1CompareValidator"); Year1_Item1.ErrorMessage = Year1_Text + " Data Item Must Be Numeric";
With 5 years and 10 data items, that will be a LOT of code. Is there an easier way?
I've got a CreateUserWizard control and am performing server-side validation. Is there a way to force the CUW's error message to display from the code-behind? At the moment, if the user enters a duplicate name, the controls DuplicateUserNameErrorMessage property is displayed. However, if the user has turned javascript off, or sends a custom POST header, with invalid characters, I rely on my server-side validation to catch the error. How can I then display the same error message in the control's ErrorMessage label, instead of creating a custom label and faking it?
Is there a way to bind MinimumValue or MaximumValue of RangeValidator in it's own ErrorMessage declaratively (in .aspx file)?
I want to do something like
<asp:RangeValidator id="validator1" runat="server".... ErrorMessage="Please enter a value between <%# validator1.MinimumValue %> and <%# validator1.MaximumValue %> />
I would then set validator1.MinimumValue or validator1.MaximumValue in PageLoad, because I get those values from a database.
I thought my issue was related to the Validators not working in UpdatePanels but that does not seem to be the case.
All validators fire when they should but, the error warning message clears when the updatepanel updates.
for example...
textbox1 range 1 to 23. dropdown1 updates the updatepanel. enter 99 error shows, but will disapear when I change value of dropdown1. textbox1 value still 99 so validator message should still show but it does not.
My understanding is that the ErroMessage is supposed to be displayed in a ValidationSummary control. My page does not have a ValidationSummary and I set the RequiredValidator's Text property to empty. I expected that nothing would be displayed when the validated control is invalid, but the ErrorMessage shows up at the place where Text is supposed to be. I am wondering if this is normal.
BTW, ValidatorCalloutExtender is used. Is this a cause?
Now I have to set the Display property to None to avoid any displaying anything. This is not a big deal, but I am curious.
I'm building an MVC 2 application with a MySQL database behind it. I've imported the model by adding an ADO.NET Entety Datamodel. Now I want to use DataAnnotations to validate the user input. So I have added the line
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However, It just doesn't do anything. The Model.IsValid() returns true no matter how long a string I submit.
I am using business objects that are accessed via webservices. These objects can be loaded via the webservice and serialized to my mvc app. The mvc app can get a web reference to the objects and they can be utilized in the mvc app. However, the business objects are where the classes are defined, and where the annotations are applied.
The mvc validation seems to have no idea that there are System.ComponentModel.DataAnnotations attributes applied to this business object class.
1) Are DataAnnotations lost when objects are serialized / deserialized?
2) If in mvc I use a view model approach, and have nested objects (which themselves have public properties - decorated with DataAnnotations) can/will the mvc validation system traverse the entire object model, the model being used for my view? (so it can see DataAnnotations attributes of the nested object)?
I am using Entity Framework with partial classes added on so I can use DataAnnotation attributes. Does anyone know how to add a data annotatin which will verify that a field is a whole number (or a DataType of int or long)? I'm surprised there is no [DataType(DataType.Integer)] attribute. I tried to create a custom attribute, but it doesn't work because the value it receives is always null:
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Obviously I'm missing the point, but I don't know enough to know what I'm missing.
I have a DateTime property in my model and I would like to validate it using DataAnnotations.In my view I want to get that DateTime as a number of days (e.g. "3"), instead of a DateTime (e.g. "7/14/2010"). If user enters "3" in the view, then DataAnnotation finds it invalid -and that is the issue.What are my options in this scenario?
Using data annotations for asp.net MVC, I can enforce range, regular expressions, required, stringlength, etc.. However, I have boolean property "SignedDocument" that I want to enforce its set to true? Is this possible in data annotation?Example:
I want DefaultModelBinder not to perform any validation based on DataAnnotations metadata. I'm already using DataAnnotations with DynamicData for the admin area of my site, and I need a different set of validation rules for the MVC based front-end. I'm decorating my classes with the MetadataType attribute. If I could have different MetadataType classes for the same model but used on different scenarios that would be great.If not I'm fine with just disabling the validation on the DefaultModelBinder, either by setting some property or by creating a specialized version of it.
I have a few field in my entity that i wish to be non-editable. Looking in the docs it seems like "EditableAttribute" would do the trick. However this is only 4.0Just wondering if there are other attributes that would have the desire effect. So be clear, i have a field called "DateRegistered" i wish to display this as string not text field using "Html.EditorFor"
