Entity Framework Definning Query Error

I got this error "Unable to update the EntitySet because it has a DefiningQuery and no element exists in the element to support the...

(1/3) ListView events, ItemDataBound, ItemCreated

Below are the screenshots about a user control that is using the .NET ListView control. Display Record The ListView control contains many different events. In...

(2/5) ListView events, ItemInserting, ItemDeleting

Add Record In order to have this ADD button work, what we need is to wire the events first in the page's code behind. LstItems.ItemInserting...

(3/3) ListView events, ItemEditing, ItemCanceling, ItemUpdating

Edit Record Same for this Edit Record, Save Record and Cancel button click events. Wire the events in the code-behind first. LstItems.ItemEditing += new EventHandler<ListViewItemEventArgs>(LstItems_ItemEditing); LstItems.ItemUpdating += new...

ASP.NET Events

HttpApplication.BeginRequest HttpApplication.AuthenticateRequest HttpApplication.PostAuthenticateRequest HttpApplication.AuthorizeRequest HttpApplication.PostAuthorizeRequest HttpApplication.ResolveRequestCache HttpApplication.PostResolveRequestCache HttpApplication.MapRequestHandler HttpApplication.PostMapRequestHandler HttpApplication.AcquireRequestState HttpApplication.PostAcquireRequestState HttpApplication.PreRequestHandlerExecute Page.FrameworkInitialize Page.InitializeCulture Page.OnPreInit MasterPage.FrameworkInitialize MasterPageControl.FrameworkInitialize PageControl.FrameworkInitialize MasterPageControl.OnInit PageControl.OnInit MasterPage.OnInit Page.OnInit Page.OnInitComplete Page.LoadPageStateFromPersistenceMedium If IsPostBack Page.LoadControlState If IsPostBack MasterPageControl.LoadControlState If IsPostBack, RegisterRequiresControlState was called and control state contains elements PageControl.LoadControlState If IsPostBack, RegisterRequiresControlState was called and control state contains elements MasterPageControl.LoadViewState If IsPostBack and...

ASP.NET Page life cycle

Page.OnPreInit MasterPageControl.OnInit (for each control on the master page) Control.OnInit (for each contol on the page) MasterPage.OnInit Page.OnInit Page.OnInitComplete Page.LoadPageStateFromPersistenceMedium Page.LoadViewState MasterPage.LoadViewState Page.OnPreLoad Page.OnLoad MasterPage.OnLoad MasterPageControl.OnLoad (for each control on the master page) Control.OnLoad (for each control...

C# Questions and Answers – 09

How big is the datatype int in .NET? 32 bits. How big is the char? 16 bits (Unicode). How do you initiate a string without escaping each backslash?...

C# Questions and Answers – 08

What’s the implicit name of the parameter that gets passed into the class’ set method? Value, and it’s datatype depends on whatever variable...

C# Questions and Answers – 07

Are private class-level variables inherited? Yes, but they are not accessible, so looking at it you can honestly say that they are not inherited....

C# Questions and Answers – 06

Is it possible to inline assembly or IL in C# code? No. Is it possible to have different access modifiers on the get/set methods ...