Bypass Data Annotations Validation On MVC 2?

Aug 4, 2010

I would like to know if it's possible to bypass the validation of one property which is using Data Annotations. Since I use the model across multiple pages, there's a check I need in some, but not in others, so I would like it to be ignored.

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MVC :: How To Use Of Validation With Data Annotations In Model Classes

Dec 12, 2010

I make use of validation with data annotations in my model classes. How do I make sure this annotations are not violated when I validate data in my business layer, before sending it to the DAL? I guess I don't want to define the validation rules in two places (model classes and in my BLL-classes)?

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MVC :: Defining Validation Rules With Data Annotations?

Sep 24, 2010

Defined RegisterModel class - with some validation rules for creating new users, and this works fine.

Then I get this class, strip few properties and wanted to reuse it as UserInfo_Form_Model, for editing user properites.

No changes, just deleted few items, renamed and reused in strongly typed View for editing.

And result of validation is: -

[DisplayName("Name")] works fine, showing correct

[StringLength(20, ErrorMessage = "xxxx...")] - not working, no message showed when suppose to be one

[Required(ErrorMessage = "xxxx.")] - not working, not showing messages when delete required values?

but (ModelState.IsValid) is false when I checked it in controller (it had to be because required value is missing)?

Is it this only partially correct and how this can be?

Well this is a bit frustrating because it cant be simpler than this and I cant make this simple code reuse.

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If I have a search object with a list of fields, can I, using the System.ComponentModel.DataAnnotations namespace, set it up to validate that at least one of the fields in the search is not null or empty? i.e All the fields are optional but at least one should always be entered.

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Apr 8, 2010

I am trying to make some sense of this validation stuff in MVC2. I followed various walkthroughs, all them for betas/rcs... and I cant' get anythign to happen. Note: THIS JQUERY - NOT THE MS AJAX STUFF!I have referenced MicrosoftMvcJQueryValidation.js which i got got the mvc2 futures lib.

My model is:

[Code]....

The form bit of my ViewPage<User>:

[Code]....

As far as I can see the only additional thing that is being rendered is this:

[Code]....

Which is interesting/annoying for a few reasons. Firstly all of my annotations appear to have been ignored.Secondly FormId isn't even marked as required, and as this rendered text was taken from a page loaded with a null Model (add mode) the FormId field isn't in the form. Finally, this doesn't even result in any actual validation occuring (on the client side). All the server side validation is working fine.See I am using PasswordFor instead of EditorFor. Because someone at MS testing dropped the ball there. Yes EditorFor renders a password field, but it behaves differently to PasswordFor.. the value of the Password field is sent to the client (set in the value
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Feb 10, 2010

I'm creating a Asp.Net MVC application and I need help on whether I should chose Data Annotations or Service Layer Validation (e.g. if(Model.Name.Trim().Length == 0)?

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MVC :: Does Client-side Validation Using Data Annotations Work With Lists

Jan 27, 2010

In my view data class I have a List.

[Code]....

I have all the properties of the class Person as required using Data Annotations.

[Code]....

In the View I loop the List like this:

[Code]....

Generated HTML:

[Code]....

Result:

Does not work at all.

Other things I've tried:

Tried using these HTML Helper methods instead:

[Code]....

Generated output:

[Code]....

Result:

Interestingly, when I trigger a validation on the first textbox, it fires simultaneously for all of the textboxes. The rest of the textboxes do not trigger validation at all.

Looking at the generated id and names for the textboxes and their corresponding error text span element, they areall identical.

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supporting Model Binding?

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How To Bypass OnSubmit Form Validation In ASPX Page

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i have a form on a particular ASPX page that has custom js validation. Also on this form is a navigation menu in the header.

The navigation menu items are built programatically and are initiated by __doPostBack calls which obviously submits the form.

The problem i am having is that the form itself has code something like the following

onsubmit='return validateForm()'

and if the form has not been filled out then the form cant submit. This in itself is not a problem unless a user goes to the form but decides to navigate away.

When this happens the validateForm function fails.

Does anyone have a workaround for this issue?

NB: On my nav links i have already set CausesValidation="False"

This is the markup:

<div id="divNavigate" class="absolute_topleft">
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This is the handler:

protected void linkGoHome_Click(object sender, EventArgs e)
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This is the validation function:

[Code]....

And this is how its called:

<form id="formLogin" runat="server" onsubmit="return validateTextField(field1)">

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Aug 20, 2010

I have a webservice that supplies data (Publisher Object) to a silverlight project.

I want to bind the Publisher to a dataform and have the dataform handle to validation.

I would like to achive this by using DataAnnotations.

My question is..
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Mvc2 Data Annotations Validation (Client Side Works, Server Side Doesnt?

Aug 12, 2010

I'm using an entity model with metadata annotations. My controller method looks like this...

if (!ModelState.IsValid)
{
return View(model);
}
else
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UpdateModel(model);
repo.Save();
return RedirectToAction("Index");
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If I enable client side validation in the view I'll get the error per the Attributes from the metadata class. If I take clientside validation out, error gets thrown from saving to the DB rather than return the view with an Error Summary.

This is the top portion of my view....

<% using (Html.BeginForm())
{%>
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I've tried running without debugging (ctrl + f5) in debug and release mode as well as setting breakpoints and Debugging (f5) but it just seems weird to get Client side validation without server side validation. What am I missing here?

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I have various questions about validation using data annotations. I am using the following setup

asp.net mvc 2
entity framework 4
data annotations

Basically, I'm trying to get unique validation working and i'm a little confused. My models are as follows:

public class Buyer
{
public int Id { get; set; }
[Required(ErrorMessage = "The email is required")]
public string Email { get; set; }
[Required(ErrorMessage= "The name is required")]
public string Name { get; set; }
}
public class Seller
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public int Id { get; set; }
[Required(ErrorMessage = "The email is required")]
public string Email { get; set; }
[Required(ErrorMessage= "The name is required")]
public string Name { get; set; }
}...............................................

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MVC :: Default Resource For Data Annotations?

Jul 27, 2010

There's a way to set the default resource to the data annotations validations?I don't wanna make something like this:

[Code]....

I would like something like this:Global.asax

[Code]....

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I have this attribute in my view model:

[DataType(DataType.DateTime)]
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If I want to display the date, or populate a textbox with the date, I have these:

<%: Model.StartDate %>
<%: Html.TextBoxFor(m => m.StartDate) %>

Whenever the date is displayed, it's displayed like: 01/01/2011 12:00:00 AM

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Is there a way to apply a display format with data annotations? I don't want to have to go to every instance where I display a date, and add some code to format it.

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I used the gridviewhelper to group the rows in a gridview.

[Code]....

Each row as two itemtemplate, each one with a checkbox.

[Code]....

I'm having some problems when i search for the rows that have a checkbox checked.

[Code]....

I see when debugging, that for some reason the checkbox is checked in the row that have the groupheader, and then, in the row that is effectibly selected, the checkbox is not checked. So, in few words, how can i bypass the groupheader row and only search the checkboxes in the other rows.

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Car class:

[MetadataType(typeof(CarMetadata))]
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// car implementation
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View contents:

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...
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string Username;

CTRes is my resource, automatically generated class. Above definition is not allowed. Are there any other solutions?

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MVC :: Re Validating Model Data When Using Data Annotations?

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I am using Data Annotations in ASP.NET MVC2 for data validation.There are cases where Model is invalid in Control Action method, by the time I received it. So I add defaults [where data is not present in cetain scenarios, for valid reasons. Other times it is error].All I want to do at this point is, because I updated the model, I want to re-validate model - so that it re-applies all validation again as per data annotations.

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Jan 19, 2010

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ASPX & Javascript
<asp:CheckBox ID="cbAllowEdit" runat="server" Checked="true" />
<asp:Button ID="btnCancel" runat="server" CausesValidation="false"
OnClick="btnCancel_Click" Text="Cancel" OnClientClick="disableSubmit();return false;" />
<ajaxToolKit:ConfirmButtonExtender ID="ConfirmButtonExtenderbtnCancel"
runat="server" DisplayModalPopupID="ModalPopupExtenderbtnCancel"
TargetControlID="btnCancel" BehaviorID="ConfirmButtonExtenderbtnCancel" />
<ajaxToolKit:ModalPopupExtender ID="ModalPopupExtenderbtnCancel" runat="server"
BackgroundCssClass="modalBackground" CancelControlID="btnCancelCancel"
OkControlID="btnConfirmCancel" PopupControlID="ConfirmCancelPanel"
TargetControlID="btnCancel" />
<asp:Panel ID="ConfirmCancelPanel" runat="server" CssClass="modalWindow"
Height="200" Width="450">
<p class="confirmMessage">
Are you sure you want to navigate away from this record?
</p>
<div align="center">
<p class="feedbackError">If you have made any changes to the record since the last time
you saved, they will be lost.</p>
<asp:Button ID="btnConfirmCancel" runat="server" Text="Yes" Width="75" />
<asp:Button ID="btnCancelCancel" runat="server" Text="No" Width="75" />
</div>
</asp:Panel>
<script type="text/javascript">
function disableSubmit() {
if (document.getElementById('<%= cbAllowEdit.ClientID %>').checked) {
return checkSubmit();
}
else {
return true;
}
}
function checkSubmit() {
var confirmButton = $find('ConfirmButtonExtenderbtnCancel');
confirmButton._displayConfirmDialog();
}
</script>

Code behind:

/// <summary>
/// Runs when the btnCancel button is clicked.
/// </summary>
protected void btnCancel_Click(object sender, EventArgs e)
{
Page.Response.Redirect("~/Searches/LookupCode/Default.aspx");
}

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