MVC :: How To Extend Controller With Extension Method Which Redirects To 404 Page

Sep 28, 2010

I am trying to extend controller with extension method which redirects to 404 page.


However, controller.View() method is internal and can't be called outside class methods.

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I would like to extend the HtmlHelper by using metadata (similar to DataAnnotaions metadata). Specifically I want to be able to add a 'Title' attribute to html controls that will then appear as a tooltip on the control. I would like to keep the tooltip text with my model, for example by adding 'Tiltle' metadata to the model as follows:

[DisplayName("User Id")]
[Title("Enter your 10 digit user id")]
property UserId { get; set; }

So the questions are:

1. How do I add metadata (such as 'Title') to my model?

2. How do I access this metadata in my HtmlHelper extension method?


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Apr 23, 2010

Why will not fill View page of this controller method

public ActionResult Person()
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C# - Extend DynamicQuery.cs To Implement A .Single Method?

Mar 28, 2010

I need to write some dynamic queries for a project I'm working on. I'm finding out that a significant amount of time is being spent by my program on the Count and First methods, so I started to change to .Single, only to find out that there is no such method.

The code below was my first attempt at creating one (mostly copied from the Where method), but it's not working.

public static object Single(this IQueryable source, string predicate, params object[] values)
if (source == null) throw new ArgumentNullException("source");
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typeof(Queryable), "Single",
new Type[] { source.ElementType },
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Oct 15, 2010

Has anyone had any luck getting MVC 3 working on IIS 6?I've added the .aspx extension to the controller in my global.asax file. I also have Default.aspx in the root of the project with the following code-behind:


This is what my global.asax looks like:


.NET 4.0 has been installed on the server, and is selected for the project. All of this, and I still get HTTP Error 404 -

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Feb 22, 2010

I want to ask, does adding extension methods to datatypes works in the same way as Microsoft's methods or do they have any limitaion.

This is relevant to experienced programmers who had find some limitations while using them.

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C# - Reasonable Extension Method For Project?

Mar 9, 2010

I recently found out about C# extension methods and wrote this one:

/// <summary>
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/// </summary>
/// <param name="me">The control to set and bind the data source of.</param>
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(VB) Extension Method Not Working As Expected?

Sep 5, 2010

I have the following Extension Method

Imports System.Runtime.CompilerServices
Namespace Extensions
Public Module IntegerExtensions
Public Function ToCommaDeliminatedNumber(ByVal int As Integer) As String
Dim _input As String = int.ToString
Select Case int
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End Select
End Function
End Module
End Namespace

And in one of my classes I'm using user.Reputation.ToCommaDeliminatedNumber I am importing the Extensions Namespace into the Class, but the error I'm getting is...'ToCommaDeliminatedNumber' is not a member of 'Integer?'. I do have other Extension Methods for Strings and Dates that work exactly as expected... I'm just at a loss on this one.

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How To Create A CheckBoxListFor Extension Method In MVC

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I know there is a ListBoxFor extension method among the ASP.NET MVC Html helper extension methods, but I always thought that a checkbox list is more user-friendly than a list box.

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ADO.NET :: How To Pass A KeySelector Expression To An Extension Method

Dec 21, 2010

I am stuck with the database row level security model that my predecessor has implemented on this project. I am trying to make an extension method for my linq to sql classes to make it easier to filter rows of data in my linq queries. The problem I am facing is that I need to somehow tell it how to access the primary key value of the object in the where clause. I get errors about DynamicInvoke(object[]) cant be converted to SQL. Here is a sample of what I am working with:


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VWD 2008 Express. Visual Basic.

I am using the Directory.GetFiles method as follows:


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C# - Extension Method Parameter In Gridview Databind?

Jan 18, 2011

I'm binding an object to a gridview. The object (LeClient) consists of several variables, two of which are related to its phone number. One variable contains a string of digits (LePhone) and the other contains an int that represents the country code (LeCountryCode). I have an extension method for strings that works to format the string LePhone and that I'd like to pass it LeCountryCode as the parameter.

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Jul 20, 2010

Is it possible to select multiple entiies in ForEach Extension Method?


partial code is given

x.SetField<string>("Name","Jon Skeet"),

when i apply multiple selection in ForEach

x.SetField<string>("Name","Jon Skeet"),

I am unable to complete the statement.

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MVC :: HtmlHelper Extension Method V Partial View?

Jan 18, 2011

I would like to know what the pros and cons are of creating an extension method v a partial view. From my understanding, htmlHelper extension methods are better as they enable one to unit test the view.

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where the Price() method contains the presentation logic.

Since both the extension method and partial view are reusable, what then is the point / benefit of a partial view?

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Inside my repeater I'm calling an extension method like so:


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Web Forms :: Defaultaspx Does Not Contain A Definition For NextView And No Extension Method

Jul 22, 2013

I am using MultiView and View in .NET but i am getting this error: Compiler Error Message: CS1061: 'ASP.default_aspx' does not contain a definition for 'NextView' and no extension method 'NextView' accepting a first argument of type 'ASP.default_aspx' could be found (are you missing a using directive or an assembly reference?)Source Error:

Line 25: <br />
Line 26: <asp:Button ID="Button1" runat="server" Text="nEXT" OnClick="NextView" /> Line 27: <br />
Line 28: <br />
Source File: c:UsersxxxxDocumentsVisual Studio 2012ProjectsWindowsAzure2TestCRoleDefault.aspx    Line: 26 

This is my aspx.cs code: using System;using System.Collections.Generic;using System.Linq;using System.Web;using System.Web.UI;using System. Web.UI. WebControls;

namespace TestCRole{ public partial class _Default : Page { protected void Page_Load(object sender, EventArgs e) { if (!Page.IsPostBack) { MultiView1.ActiveViewIndex = 0; } } void NextView(object sender, EventArgs e) { MultiView1.ActiveViewIndex += 1; } void PreView(object sender, EventArgs e) { MultiView1.ActiveViewIndex += 1; } protected void MultiView1_ActiveViewChanged(object sender, EventArgs e) {

} }}

And this is my aspx file:

<asp:Content runat="server" ID="BodyContent" ContentPlaceHolderID="MainContent"> <p> <br /> <asp:MultiView ID="MultiView1" runat="server" OnActiveViewChanged="MultiView1_ActiveViewChanged"> <asp:View ID="View1" runat="server"> THIS IS VIEW 1 . HAVE A LOOK ! iTS COOL BECAUSE OF C#.<br /> <br /> <asp:Button ID="Button1" runat="server" Text="nEXT" OnClick="NextView" /> <br /> <br /> </asp:View> <asp:View ID="View2"


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DataSource Controls :: Extension Method To Find String Or Boolean?

Apr 6, 2010

i need to find, string or boolean from database..

that is, i have a table i need to check that is string or boolean? to assigne other vairable?

using some extensions methods?

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Web Forms :: Page Redirects To Default.aspx When Imageurl Is Missing In Imagebutton Of Another Page?

May 20, 2010

I have two webpages. Default.aspx and Default2.aspx

No code written in both pages.

I put an imagebutton without imageurl in Default2.aspx

The control is redirected to Default.aspx when Default2.aspx requests...

How does this happen?

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How To Run Webpage Personal Webserver Automatically Redirects Page To Iisstart.htm Page

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when i run my webpage my personal webserver automatically redirects page to iisstart.htm webageis not showing. what could be the problem?

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Aug 7, 2010

I want to iterate through HtmlTable (Server Side) in ASP.NET 3.5.

foreach (System.Web.UI.HtmlControls.HtmlTableRow trow in someTable)
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I received an error message that "System.Web.UI.HtmlControls.HtmlTable" does not contain a definition for GetEnumerator.

How to write an extension method or alternative to make HtmlTable as enumerable row collection?

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