.NET Tutorials, Forums, Interview Questions And Answers
Welcome :Guest
Sign In
Win Surprise Gifts!!!

Top 5 Contributors of the Month
Gaurav Pal
Post New Web Links

Retrieve attribute with property name

Posted By:      Posted Date: September 07, 2010    Points: 0   Category :ASP.Net
What is the best way to obtain an attribute such as the DisplayNameAttribute of a model's property using the property's name. I am using the following method currently:((System.ComponentModel.DisplayNameAttribute)typeof(MyApp.Models.ModelFoo).GetProperty("Foo").GetCustomAttributes(typeof(System.ComponentModel.DisplayNameAttribute), true)[0]).DisplayName Looking at this long statement, I cannot help wondering if there is a better way to do it.

View Complete Post

More Related Resource Links

Category attribute of user control property does not work correctly in categories tab.



I have a User Control (ascx) and a property which a want to display in my categories tab in Visual Studio in the category named "Styles".

[Category("Styles"), DefaultValue(""), Description("The value for formating something.")]
public String MyFormatProperty
set { /* the code for set */; }
get { /* the code for get */; }

And here is the problem: Actually I do not need a get, because I only have to set the property (write only property). But when I omit the get, the property is displayed in the "Misc" category in the categories tab in Visual Studio. Only when I code the get as well, then the property is displayed correctly in the "Styles" category in the categories tab in Visual Studio.

Does anybody know why? How can I display the category correctly only with set?

Thanks, S.

how to change dynamically [Bbrowsable] attribute for a property at design time c#

hi,   how to change dynamically  [Browsable] attribute for a property  at design time c#

Linq to xml to retrieve element value by its attribute

Can someone please tell me how to select the mac element value.  Here is my code that not working.  Thanks. Attempt1:        '* from string        Dim xdoc As XDocument = XDocument.Parse(xmlString)        Dim LQElements = From xe In xdoc.Elements("mac") _                         Where xe.Attribute("type").Value = "eth" _                            Select xe.Value        For Each LQElement In LQElements            Dim mytype As String = LQElement.ToString        Next Attempt2: '* from string Dim xdoc As XDocument = XDocument.Parse(xmlString) Dim LQElements = (From xe In xdoc.XPathSelectElements("//mac") _ Where xe.Attribute("type") = "eth" _ Select New With { _ .type = xe.Attribute("type").Value, _

Add User Profile Property -- missing AD attribute


I am trying to add a user profile property, when I tried to map this field to a AD attribute, I realized not all the attributes are exposed. Is there anything I might be missing in SP, or something I have to setup in AD?

Please advice, your help would be greatly appreciated.

Unable to load one or more of the requested types. Retrieve the LoaderExceptions property for more i


I have a project that works fine when I run it locally but when I put it on our new Windows 2008 running IIS 7 I get the following error.  I have done some research and nothing seems to solve my issue.  I am using VS 2010 and the entity framework and the error appears to occur when I am trying to bind data to the view?

Thanks in advance


Unable to load one or more of the requested types. Retrieve the LoaderExceptions property for more information.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Reflection.ReflectionTypeLoadException: Unable to load one or more of the requested types. Retrieve the LoaderExceptions property for more information.

Source Error:

An unhandled exception was generated during the execution of

How can I generate property set event with attribute class?


I want to code design like below;

class Sample
            public string Prop1

            void MyChangesDelegate()

is that possible?

Web part to retrieve List Items based on configurable property


I want to create a web part that will do the following

1) Have a custom choice property based on teh Choice List Column in the list.

2) Return the records based on the custom choice selected by the user.


Is this possible?


WPF / Silverlight tutorial: Visibility property and binding

Visibility property is a very powerful and yet often overlooked property available in both WPF and Silverlight. It enables you to set Visibility of certain UIElement objects to different states like: Visible, Collapsed and Hidden (not supported by Silverlight). This tutorial shows you how to use it and how to bind to Visibility property

abstract away the source of the connection string using a class with a static property.

ASP.NET provides a configuration system we can use to keep our applications flexible at runtime. In this article we will examine some tips and best practices for using the configuration system for the best results.

The element of a web.config file is a place to store connection strings, server names, file paths, and other miscellaneous settings needed by an application to perform work. The items inside appSettings are items that need to be configurable depending upon the environment, for instance, any database connection strings will change as you move your application from a testing and staging server into production.

Let's abstract away the source of the connection string using a class with a static property.

Get pixel format, raw format, property id list and property items image in VB.net - C#.net.

n this simple article you will learn that how we can get pixel format, raw format, property id list and property items image in VB and C#.net.

Get Pixel Format:

Image consists of pixels to get the format of the pixel we have a property named pixel format. This property returns an enumeration of pixel format. This enumeration tells the pixel format.

To demonstrate make a window application. Drag one button and a picture box on form.

Now write the following code on Button click event:

Jscript error: Object does not support property or method


 Hi, i have little knowledge on javascript but i need to use this code get from somewhere for a jquery to work.

I face this "Jscript runtime error: Object does not support property or method" whenever im trying to run this page.

In my experience, im get this error msg 9 out of 10 times i use javascript in my system.

Im using Microsoft Visual web developer 2008, i wonder if this is related to my problem, i not sure there is anything i need to add as reference or update anything.

But anyway, in short, i just couldn't use javascript code when using this development tool because of this sort of error.

Anyway, it happen that last time i tried use the same type of jquery code in another project and it seems to work well without an error.

But now when im try to use it again in this recent project i created, it come out with this error and i have no idea how to solve it even look through google and this forum.

It doesn't really seems like its the code problem itself although im not sure, because any javascript code just couldn't work.

So below is my code that i need to use.

<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js" ></script>
<script type="text/javascript" src=&quo

How to retrieve data from SqlDataSource and pass to a variable?


Hi there,

I have a page in my website where there is very little code-behind. I only have two lines of code in Page_Load() and the rest of the code is declarative ASP.NET code. I have a FormView control which uses a SqlDataSource to get some order information. The SqlDataSource calls a stored procedure called usp_GetOrderDetails, here's the code for the SqlDataSource:

    <asp:SqlDataSource ID="sdsFormOrderDetails" runat="server" 
ConnectionString="<%$ ConnectionStrings:ForexDB %>"
ProviderName="<%$ ConnectionStrings:ForexDB.ProviderName %>"
SelectCommand="usp_GetOrderDetails" SelectCommandType="StoredProcedure"
UpdateCommand="usp_UpdateOrder" UpdateCommandType="StoredProcedure"
<asp:ControlParameter Name="orderId" ControlID="grdOrders" PropertyName="SelectedDataKey.Value" />
<asp:ControlParameter Name="orderId" ControlID="frmOrderDetails" PropertyName="SelectedValue" />

I am not able to read xml file with XDocument if its Descendants has Attribute xmlns="http://abc.co


I am not able to read xml file with XDocument if its Descendants has  Attribute like:-

<?xml version="1.0" encoding="utf-8" standalone="yes"?>
  <row ID="1" xmlns="http://www.opentravela.org/OTA/2003/05">
    <var country_name="Caribbean and Rest of the world" city_name="Kingston" flight_category="Economy Class" via="Atlanta" flight_departure="London Heathrow" airline_logo="Delta" adult_fare="Delta" child_fare="660" infant_fare="561" date1="132" date2="2010-08-15" />


I don't know what to do ?

Looking for some help..

Is it possible to populate property choices from a database?


I'm creating my first server control, and have it working where I can set up an enum and the user can set a property's choices,  based off of that enum.  But I'd like it to pull records from a database and populate the list of choices for the property from a database.  This would allow me to add a new "Host System" to the database, and the other designers wouldn't have to get a new copy of the dll.



Custom Server Control Property not maintaining state


I have created a server control consisting of a TextArea and a div under it.  My goal is to create my own asp:TextArea type control.  the div is for a Character count of the text area and seems to work ok but i added a CharacterCountVisible property to the control that is always returning true.  See Proptery definition below


<Bindable(False), Category("Appearance"), DefaultValue("True"), Localizable(True)> Property CharacterCountVisible() As Boolean
        Return _CountBoxVisible
    End Get
    Set(ByVal value As Boolean)
        _CountBoxVisible = value
    End Set
End Property

Note the _CountBoxVisible variable is define inside the class as :

Dim _CountBoxVisible as Boolean = True

What I am trying to do is give the user/coder the option to show/utilize the char count feature.  Can make it disappear with textarea1.CharacterCountVisible = False but setting it to true will not make it display.


What am i missing





Make sure that the class defined in this code file matches the 'inherits' attribute, and that it e


Here is the page directive for the page that throws the error:

@ Page language="c#" Inherits="University.AspNet.Index" CodeFile="Index.aspx.cs" %>

The code behind file Index.aspx.cs starts like this:

using University.Framework.UI;

namespace University.AspNet

public partial class Index : University.Framework.UI.HomePage

The code behind is extending this HomePage class, which is in turn an extenstion of another class University.Framework.UI.Page, which extends the System.Web.UI.Page class.

Am I misusing the I

Security Briefs: Hashing Passwords, The AllowPartiallyTrustedCallers Attribute


Keith Brown describes how yo can hash passwords when you want to store them in your own custom database, and when to use the AllowPartiallyTrustedCallers attribure on your assembly.

Keith Brown

MSDN Magazine August 2003

ASP.NetWindows Application  .NET Framework  C#  VB.Net  ADO.Net  
Sql Server  SharePoint  Silverlight  Others  All   

Hall of Fame    Twitter   Terms of Service    Privacy Policy    Contact Us    Archives   Tell A Friend