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C++ Q&A: Calling Virtual Functions, Persisting View State, POD Type

Posted By:      Posted Date: August 21, 2010    Points: 0   Category :ASP.Net

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C++ at Work: Persisting View State Update, Using Managed Extensions in a DLL


This month marks the 11th anniversary of my column and the inauguration of a new title: C++ At Work. We're also adding a new bimonthly column, "Pure C++," by my pal Stan Lippman, one of the great C++ Masters.

Paul DiLascia

MSDN Magazine February 2005

Truly Understanding View State

This article provides a detailed understanding of the ViewState.

view state vs request parameters


If  the view state is the data entered into the form fields then they are supposed to be available in the request parameters or request body. Then why would we need view state for?


View State Encryption


Hi All,

Why is it that I see the same hash value generated when I use different algorithms for viewstate encryption. I have added below lines to the web.config file

<pages viewstateEncryptionMode="Always"

Security Briefs: View State Security


Effectively managing user state in web applications can be a tricky balancing act of performance, scalability, maintainability and security. The security consideration is especially evident when you're managing user state stored on the client. Here's what you need to know about view state security.

Bryan Sullivan

MSDN Magazine July 2010

Bugslayer: Measuring the Impact of View State


Bloated view state can be a real performance bottleneck for your Web app, but it can be difficult to diagnose. John Robbins creates a handy tool that records and reports the view state size for pages in your ASP.NET applications.

John Robbins

MSDN Magazine November 2007

ASP.NET 2.0: Speed Up Your Site with the Improved View State in ASP.NET 2.0


View state is a wonderful thing. It allows the ASP.NET developer to maintain state for server-side controls that are not form elements.Used judiciously, it can improve the user experience. But in the wrong hands, it can cause your pages to grind to a halt. The release of ASP.NET 2.0 will include a variety of improvements to view state that will make it easier to use and less likely to slow performance.

Fritz Onion

MSDN Magazine October 2004

Cutting Edge: The ASP.NET View State


In ASP. NET pages, the view state represents the state of the page when it was last processed on the server. It's used to build a call context and retain values across two successive requests for the same page.

Dino Esposito

MSDN Magazine February 2003

i need clear idea and explanation about view state


can any one please explaine me about view state property, i need the basic thing, what is it actually, and why we use, wthat is the use of it. and etc etc plsssssssssssssss

VS 2010 XAML Design View Load always fail with a Type Load Exception

Create a new WPF project in VS and change nothing. The Design View will fail to load with the error below. Error    1    Could not load type 'Microsoft.Expression.DesignModel.Core.ISharedInstanceBuilder' from assembly 'Microsoft.Expression.DesignModel, Version=, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'. Microsoft.Expression.DesignModel is an assembly from Expression Blend. I ever installed Blend 4 RC and uninstall and install Blend 4. I Reflector the assembly I have under Blend 4 bin folder. And cannot find a interface named ISharedInstanceBuilder. But the WPF project is a Template project without any changes. How it get related with Blend 4? And how to fix it? Thanks.  

Data Source View Gives incorrect Error--Different Data Type

Hi, I'm creating a report model (2008 R2).  I am trying to create a relationship between two tables.  One FKs to another--same name and type (tinyint) columns.  But the Data Source View editor doesn't allow this, giving the message "...source and destination column have different data types".  But the columns are the same types.  I ahd this once before  acouple of years ago and don't remember how I got around it. Does anyong have ideas?  

UNC Support for DriveInfo type functions

We are running into issues with windows 7 getting access to mapped drive info in our build process. i.e. the drive gets disconnected after some time. Functions like driveinfo require mapped drives >> Does someone know of equivalent directory functions which will work with a UNC path so we can determine space used and space available on remote network drives ? Thanks

Create Content Type in State Machine Workflow

Hi, I created a state machine workflow in share point 2007 with default associated task list. This is working fine. Now I want to add a custom content type to task in which I want to show 3 fields on task form : Title, Description, status And also I want to set some default values in these fields. How can I create and add this custom content type in state machine workflow ? G. Goyal

SSRS 2008 R2 Problem understanding View State Validation steps

Hi, Sorry, but I have some problem understanding this steps. Please help me to understand this.  Pasted from http://technet.microsoft.com/en-us/library/cc281307.aspx?lc=1033 How to Configure View State Validation To run a scale-out deployment on an NLB cluster, you must configure view state validation so that users can view interactive HTML reports. You must do this for the report server and for Report Manager. View state validation is controlled by the ASP.NET. By default, view state validation is enabled and uses the identity of the Web service to perform the validation. However, in an NLB cluster scenario, there are multiple service instances and web service identities that run on different computers. Because the service identity varies for each node, you cannot rely on a single process identity to perform the validation. To work around this issue, you can generate an arbitrary validation key to support view state validation, and then manually configure each report server node to use the same key. You can use any randomly generated hexadecimal sequence. The validation algorithm (such as SHA1) determines how long the hexadecimal sequence must be. Generate a validation key and decryption key by using the autogenerate functionality provided by the .NET Framework. (Well, how to generate Validation key using .Net Framework?) In the end, you must have a singl

Msg 102, Level 15, State 1 on view creation

Hi im trying to create a view from a table having the following value for: Each of the Id linking to another table,the user should be able to search for userid based on any criteria. UserId | UserRegionID |JobTypeID | CountryID | YrOfExp ------------------------------------------------------------- 53 27|20 23|36|24 204 16 54 29|20|33 25|24 172 5 55 22 36 204 3 The YrOfExp must be compared and the appropriate id stored in the view. Create view vwUserDetails as with vwUserDetails(userId,jobsID,RegionID,YrOfExpID) as ( select UserId, convert(xml,'<Job><JobId>'+ replace([UserJobTypeIDs],'|','</JobId><JobId>')+ '</JobId></Job>') as jobsID, convert(xml,'<Region><RegionId>'+ replace(Rtrim(Ltrim([UserRegionIDs])),'|','</RegionId> <RegionId>')+</RegionId></Region>') as RegionID, YrOfExpID = case UserYearsOfExperience when UserYearsOfExperience = null then null when UserYearsOfExperience between 0 and 1 then 29 when UserYearsOfExperience between 1 and 3 then 30 when UserYearsOfExperience between 3 and 5 then 31 when UserYearsOfExperience between 5 and 7 then 32 when UserYearsOfExperience between 7 and 9 then 33 when UserYearsOfExperience > 9 then 34 en
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