MVC :: Conditional Requirement Attribute For Model?

Jun 23, 2010

Is it possible to extend the RequiredAttribute class in a way to have it validate a condition against another property in the model? For example, in my hypothetical code.

[Code]....

The DriversLicenseProperty is to be required in the model if HasLicense is true. Is this possible? Is there an example somewhere?

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Conditional Required Attribute For Validation?

Mar 23, 2010

We're trying to get a conditional attribute to work, case in point, there's a boolean (checkbox) that if checked, its related text is required. So, ideally we'd have something like ...

public bool Provision { get; set; }

[ConditionalRequirement(IsNeededWhenTrue = Provision)]
public string ProvisionText { get; set; }

Is this even possible?

Alternate idea (not as elegant?)
public bool Provision2 { get; set; }
[PropertyRequired(RequiredBooleanPropertyName = "Provision2")]
public string Provision2Text { get; set; }

I'd hate to use the magic string method .

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MVC :: How To Use Attribute [Display(Name="")] For Model That Comes From An Entity Data Model

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So, I've got an contact form in my MVC 2 application.

I'd like to programatically email all properties of my "ContactModel".

Here is what I'd like to do in psuedo-ish code:

[Code]....

In case it matters...ContactModel sets up the DisplayName attributes like this:

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MVC :: HttpRequestValidationException After Using [SkipRequestValidation] Attribute On Model Property?

Nov 12, 2010

I think I might have stumbled onto a bug in ASP.NET MVC 3 RC. When I setup my MVC2 project in a new MVC3 project, copy paste classes, code, change name spaces, etc, etc, I ran into an issue in the following, simplified for explanation purpose, scenario:

Model:

public class WineDetails
{
[SkipRequestValidation]
[Required(ErrorMessage = "Beschrijving verplicht")]
public string Description { get; set; }
}

ViewModel:

public class ViewModelCreateWine
{
public MasterData MasterData { get; set; }
public WineDetails WineDetails { get; set; }
}

ActionMethod:

[AcceptVerbs(HttpVerbs.Post)]
public ActionResult CreateWine(ViewModelCreateWine viewModelCreateWine)
{
GetMasterDataRegions(viewModelCreateWine);
if (Request.Params.ToString().IndexOf("Save") > 0)
{
if (TryValidateModel(viewModelCreateWine.WineDetails))
{
m_wineService.CreateWine(viewModelCreateWine.WineDetails);
return RedirectToAction("index", "Admin");
}
}
return View(viewModelCreateWine);
}

The ActionMethod "CreateWine" needs to call the "CreateWine" method in the WineService so that in the end a new Wine is added to the Database. So far it looks ok. As shown in the above code the [SkipRequestValidation] is set on the "Description" property of the WineDetails model so that the user can add Rich Text to the description and HTML elements are allowed during the Request validation. This works perfectly fine until the Params collection of the Request is accessed in the code to check if the Save button is clicked. When this line of code is trying to execute the following exception is thrown:

Exception Details: System.Web.HttpRequestValidationException: A potentially dangerous Request.Form value was detected from the client (ViewModelCreateWine.WineDetails.Description="<p>HTML Content with...").

The same exception is thrown when I put the [ValidateInput(false)] attribute on the action method. When I comment out the "if" statement and its content there is no issue and the model validation works just fine and skips the Request Validation on the Description property as expected.

In MVC2 the above code worked fine with the [ValidateInput(false)] attribute on the action method.As I said I'm not sure if this is a bug, it very well might be my own stupidity, but I thought it would be worth to mention here. So any feedback is more than welcome.

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key data

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2 data2

2. data2

2. data2

3. data3

3. data3

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key data

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3. data3

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For Example :

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Jul 2, 2010

In asp.net web application I have restricted users actions depending on their roles like as follow

I have created three tables in database

Tables

Table: Users

UserID Username Password
1 Bob password1
2 Scott password2
3 Jisun password3
4 Sam password4
5 John password5


Table:Groups

GroupID Name
1 Administrators
2 Clerk
3 Manager
4 Cashier


Table:Roles

UserID GroupID
1 1
2 2
2 3
3 4
4 3
4 4


In Global.asax file I have written the following

Sub Application_AuthenticateRequest(sender As Object, e As EventArgs)
If Request.IsAuthenticated Then
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as of now it is working fine. Now a new requirement has araised that to allow the clerk to access some of (but not all) functionalities perfomred by administrator.

Do i need to change my source code to provide above new requirement?

Do I need to do the same again and again when such requirement araises in future ?

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Pass A JQuery NotifyBar Requirement To The Next View In A RedirectToAction?

Jul 14, 2010

I'm using the jQuery NotifyBar quite nicely in an Index view to display business rule errors when a user e.g. clicks a delete link for an item than cannot be deleted. However, if the user adds a new item, they are redirected to the Create view. If the new item is successfully created, the Create action redirects back to the Index view.

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The way I see this is that I need to: a) include information in the return RedirectAction() that tells the 'destination' view to show the notification, or b) invoke the notification in the 'source' view, instead of the return RedirectAction(), and tell it that when it closes/is closed, to perform the redirect to the 'destination' view.

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[Code]....

my requirement is close the calander when click outside of the image control.currently calander close when click the image.

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We have a controlled list of the users (It s an Extranet solutions for our collaborators)

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Mar 31, 2011

<asp:GridView ID="GridView1" runat="server">
<Columns>
<asp:TemplateField>
<ItemTemplate>
<asp:TextBox ID="TextBox1" onchange="calculate()" runat="server" Text="0"></asp:TextBox>
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>

I'm getting this error on the above markup: Message 1 Validation (ASP.Net): Attribute 'onchange' is not a valid attribute of element 'TextBox'.

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Web Forms :: Getting Error / Unrecognized Attribute 'targetFramework'. Note That Attribute Names Are Case-sensitive

Mar 17, 2011

I have a problem with my web site 1stSigBdeAssn.org. I have made no changes to the site but I now get the following error message:

Parser Error Message:

Unrecognized attribute 'targetFramework'. Note that attribute names are case-sensitive.

Source Error:

[code]....

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I created a simple Master Page in Visual Studio 2008:

<%@
Master
Language="VB"
CodeFile="MasterPage.master.vb"
Inherits="MasterPage" %>
<!DOCTYPE
html
PUBLIC
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and got green underlined 'Master' with two warning messages: 1.Validation (ASP.NET): This attribute name must be followed byan equal (=) sign and a value. If the value is in quotation marks, the quotation marks must match. 2. Validation (ASP.NET): Attribute 'Master' is not a valid attribute of element 'Control'.How I can get rid of the messages?

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Forms Data Controls :: Show - Hide Template Headertext In Gridview Based On Requirement

Mar 30, 2010

I am using VS2008.I am binding dynamic datatable to gridview. I have few dropdowns and textboxes in gridview.
I have dropdownlist(ddlTrCodeNw_)in gridview foooter template. Based on the selection of Trcode value few controls will be enabled,disabled,visible,hide. in gridview.

<asp:GridView ID="gvAPPost" runat="server" Width="100%" ShowFooter="true"
AllowPaging="true" AutoGenerateColumns="false"
onrowcommand="gvAPPost_RowCommand"
onrowdatabound="gvAPPost_RowDataBound"
>
<Columns>
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<FooterTemplate>
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</FooterTemplate>
<ItemTemplate>
<asp:TextBox ID="txtDiscountPer" runat="server" Width="40px" Enabled="false" Visible="false"></asp:TextBox >
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
Intially I set TemplateField HeaderText also Visible="false".
so i have written the condition in ddlTrCodeNw_SelectedIndexChanged.
Now when
if(ddlTrCodeNw.SelectedValue=="24")
{
txtDepstNw.Enabled = true;
txtDepstIncNw.Enabled = true;
txtCrdtNw.Enabled = false;
txtCrdtIncNw.Enabled = false;
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}

I can I show TemplateField HeaderText also whenever i need.

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I have a tag:

<asp:ListItem
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What attribute would I use for Css with ListItem?

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i'm trying to host an .net framework4.0 application in IIS7. i got an error while clicking on the manage module in modules .like ("Unrecognized attribute 'targetFramework'. Note that attribute names are case-sensitive. ") .I changed my application poll to .net4.0.I am able to browse my application

</system.serviceModel>
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Oct 20, 2010

I installed Microsoft Visual Studio 2010 Ultimate Trial and converted existing asp.net 2.0 web application and I am getting this error: znrecognized attribute 'targetFramework'. Note that attribute names are case-sensitive. It's coming from this section in the web.config which was auto-generated by VS2010 when I converted the project:

<compilation defaultLanguage="c#" debug="false" targetFramework="4.0">
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Aug 13, 2010

I am developing asp.net mobile application. I am using LINQ to XML to query XML file. I am using the following query to retrieve the name & value of the query dynamically as follows

var TotalManifolds = from MF in FieldRoot.Element("FIELD-DEFINITION").Element("MANIFOLDS").Elements("MANIFOLD")
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select new
{
SlotName = (string)SLT.Attribute("NAME").Value,
SlotValue = (string)SLT.Attribute("NAME").Value
};

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I'm building an MVC 2 RTM app, and I want to be able to share my model across applications. I'd *like* to be able to implement it like:ASP.NET MVC2 app (holds Views and Controllers)Class library to hold Model(s)WCF app to handle the data transactions with the models via different data stores across apps I had the MVC app working fine, but I wanted to abstract the data stuff and be able to work with the model across apps through the WCF site, so I created a class library project and moved all of the Models classes into that and set-up a WCF app, then added project references to the MVC and WCF apps that point at the class library. The idea was I can create services that take and return objects from the model via method calls across apps. It appears that everything's wired up correctly in the MVC project, so I'm passing the objects stored in the Models class library between controllers and views and everythig is compiling just fine, but for some reason the data is not being passed back from the views to the controller on POST -- all of the properties in the classes are null or empty.

When I debug the app, I can see that the values are stored in the model data dictionary but not the model object itself. What am I doing wrong? Am I on the wrong path, or missing something obvious (to some)?

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Sep 1, 2010

Is it possible, inside a Custom Model Binder, to fire "something" that "says" the value is invalid so it gets handled by validation part?

Basically, I am getting an exception when the value for the property is invalid.

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Jan 10, 2011

I made a few changes to the DB in SQL server management studio then right clicked on the .edmx doc to get it to update. That seemed to work fine but when i compiled the app everything that referenced the EF seems to be broken.The Error list now contains the below error for all classes that used it.

The type or namespace name '' could not be found (are you missing a using directive or an assembly reference?)

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