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  • Custom .NET apps and clustering

    - by Ahmed ilyas
    So for a clustered environment - how would this work with your apps? what about your own custom .NET apps? Would there be a special way to develop them? I know that you can say create a simple Hello world app, and cluster that but they wouldnt be something you could see interms of the UI or anything, so they would effectively need to be developed as a Windows Service perhaps or even as a standard Console app which runs and not wait for user input but you wouldnt see any output from it (unless you redirect output to somewhere else) What im getting at here is... for those who have experience or developed a cluster application in .NET, how did you do it and what are the things to be aware of? For example we have the cloud service - fundamentally its built on clustering - if there is an outage, another node takes place and service is resumed as normal but we dont really see much of that downtime.

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  • C#.NET: How to update multiple .NET pages when a particular event occurs in one .Net page? In another words how to use Observer pattern(Publish and subscribe to events)

    Problem: Suppose you have a scenario in which you have to update multiple pages when an event occurs in main page. For example imagine you have a main page where you are dispalying a tab control. This tab control has 3 tab pages where you are loading 3 different user controls. On click of an update button in main page imagine if you have do something in all the 3 tab panels. In other words an event in main page has to be handled in many other pages. An event in main page which contains the tab control has to be handled in all the tab panels(user controls) Answer: Use Observer pattern Define a base page for the page that contains the tab control. Main page which contains the tab: Baseline_Baseline Basepage for the above main page: BaselineBasePage User control that has to be udpated for an event in main page: Baseline_PriorNonDeloitte Source Code: public class BaselineBasePage : System.Web.UI.Page { IList lstControls = new List(); public void Add(IObserver userControl) { lstControls.Add(userControl); } public void Remove(IObserver userControl) { lstControls.Remove(userControl); } public void RemoveAllUserControls() { lstControls.Clear(); } public void Update(SaveEventArgs e) { foreach (IObserver LobjControl in lstControls) { LobjControl.Save(e); } } } public interface IObserver { void Update(SaveEventArgs e); } public partial class Baseline_Baseline : BaselineBasePage { . . . this.Add(_ucPI); this.Add(_ucPI1); protected void abActionBar_saveClicked(object sender, EventArgs e) { SaveEventArgs se = new SaveEventArgs(); se.TabType = (BaselineTabType)tcBaseline.ActiveTabIndex; this.Update(se); } } Public class Baseline_PriorNonDeloitte : System.Web.UI.UserControl,IObserver { public void Update(SaveEventArgs e) { } } More info at: http://www.dofactory.com/Patterns/PatternObserver.aspx span.fullpost {display:none;}

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  • How to make safe and secure forms in asp.net MVC 3

    - by anirudha
    the asp.net application need all kind of security. unsecure forms may be influence by XSS [cross site scripting] there is some way to solve these type of problem in MVC. first sollution is that use <%= Html.AntiForgeryToken() %> for make secure from cross site scripting. it’s work by machine key in MVC. well you can valid them whenever you got respond from client. you can apply by this attribute on action you give the response behalf of form submission [ValidateAntiForgeryToken] you can secondly use authorize attribute where you can make own definition of authorize attribute in asp.net mvc for more info read david’s post well I am use my own custom attribute who use a different type of authorization :- the who controller use a attribute I put their and the attribute I put their have a logic and logic check the cookie in request who make sure that request they got from user.

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  • Coding an IQ Test with Conditionally Driven Event Handlers in ASP.NET 3.5

    This is the second part of a tutorial series on developing conditionally-driven event handlers in ASP.NET 3.5. In part one you started learning how to build an online IQ test with ASP.NET 3.5 the creation of web forms and setting of objectives were discussed. In this second part we ll really sink our teeth into using conditionally-driven event handlers to make the test work.... Business Productivity Online Suite From $10 per user per month. Includes a 12-month subscription. Min 5 seats.

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  • cruisecontrol.net failing build with no errors

    - by John Hoge
    Hi, I've been using CCNet for some time now but just upgraded to .net 4. I've installed the new framework on my dev box along with vs2010 and on my CC.net server as well. I've just installed CruiseControl.net version 1.5.6804.1, and changed my MSBuild tasks to point to the new v4.0.30319 framework directory. I've got two projects on .net 4 now that just don't build. They build perfectly well in VS and run well on both Cassini and IIS. I just don't get any error messages from cc.net, just this: BUILD FAILED Project: GoodBay Date of build: 2010-05-11 10:21:59 Running time: 00:00:02 Integration Request: Build (ForceBuild) triggered from SVN Modifications since last build (0)

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  • How to convert List to Datatable in vb.net

    - by Samir R. Bhogayta
    Public Function ConvertToDataTable(Of T)(ByVal list As IList(Of T)) As DataTable        Dim table As New DataTable()        Dim fields() As FieldInfo = GetType(T).GetFields()        For Each field As FieldInfo In fields            table.Columns.Add(field.Name, field.FieldType)        Next        For Each item As T In list            Dim row As DataRow = table.NewRow()            For Each field As FieldInfo In fields                row(field.Name) = field.GetValue(item)            Next            table.Rows.Add(row)        Next        Return table    End Function

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