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.NET Column: Practical Multithreading for Client Apps

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

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Practical Multithreading for Client Apps

  
Writing applications that use multiple threads is often considered an advanced programming task, prone to errors. In this month's column, I'll focus on a practical application of multithreading in Windows® Forms applications with some real benefits, while attempting to keep things simple. My goal is to present multithreading in an approachable way that addresses a very common need: writing applications with a user interface that remain responsive to the user.

Smart Client: Building Distributed Apps with NHibernate and Rhino Service Bus, Part 2

  

Smart client applications are responsive and promote interactivity with the user. In this article, we continue building a smart client application using NHibernate for data access and Rhino Service Bus for reliable communication with the server.

Oren Eini

MSDN Magazine August 2010


Smart Client: Building Distributed Apps with NHibernate and Rhino Service Bus

  

Smart client applications are responsive and promote interactivity with the user. In this article, we start the processes of planning and building a smart client application using NHibernate for data access and Rhino Service Bus for reliable communication with the server.

Oren Eini

MSDN Magazine July 2010


Practical OData: Building Rich Internet Apps with the Open Data Protocol

  

See how you can build Rich Internet Applications that take advantage of the OData protocol to creatively interact with Silverlight, PowerPivot, SQL Server, SharePoint, the Windows Azure platform, "Dallas" and more.

Shayne Burgess

MSDN Magazine June 2010


Winning Forms: Practical Tips For Boosting The Performance Of Windows Forms Apps

  

This article discusses techniques you can use to ensure that Windows Forms-based apps provide optimal performance to match the rich UI responsiveness they're known to provide.

Milena Salman

MSDN Magazine March 2006


DataGrid: Tailor Your DataGrid Apps Using Table Style and Custom Column Style Objects

  

One of the most enduring challenges in writing user interfaces is figuring out how to display large amounts of data efficiently and intuitively without bewildering the user. The problem becomes particularly thorny when the interface must reflect hierarchical relationships within the data that the user needs to modify. The Windows Forms DataGrid control gives developers a powerful and flexible tool to meet this challenge. This article explains its basic operations and shows how to extend the DataGrid to display columns of data in an application-appropriate manner.

Kristy Saunders

MSDN Magazine August 2003


Web-Aware Apps: Build Hyperlinks into Your Client App with the Windows Forms LinkLabel Control

  

LinkLabels are Windows Forms controls that enable a user to hyperlink to a URL that points to either the Web or the local directory system. While the SDK documentation discusses the control, it does not demonstrate how linking is accomplished, nor does it outline the power and flexibility the control provides. This article fills those gaps, showing how to link using the LinkLabel control. It also shows the flexibility of this control for the programmer using the .NET Framework. In addition, the author covers the large number of properties that allow you to customize your controls and accurately place them. Their built-in behaviors are also discussed, along with their use in both Visual Basic .NET and C#.

Dan Hurwitz

MSDN Magazine February 2003


The external column "CLIENT" (2639) has no mapping to the XML schema

  
Hi, I am having validation errors when moving between test and production servers.  I have a package which is reading and XML file and loading the data into staging tables.  The XML source is configured to use a variable for the file name (which is getting populated through a foreach loop.  The default value points to a file that was on the production server when the package was created).  The XSD is stored on a network share.  This all looks fine in test.  When I deploy it to production there are no validation errors, but when I run it, I get errors about the first few columns in the schema complaining: "The external column "<Column Name>" (2639) has no mapping to the XML schema" If I open the package while pointing to the production server, I can double click the XML Source and clear the errors.  I can then redeploy it and the package will run without issue in production.  However, if I open it back up and the package is again pointing to the test server, these metadata errors come up again.  I have rebuilt this component and the XSD a dozen times, thinking that the component was corrupted, but nothing seems to help.  I even rebuilt the entire dataflow.  Any ideas on to make this transition from test to production more smooth?  Is there a more reliable way that I can configure t

Should I move ODBC Apps from the SQL Server driviver to SQL Server Native Client 10.0

  
I have a suite of applications written for SQL Server 2000 in Access 2000 and Access 2007 and running under Access 2007 (12.0.6423,1000 SP2 MSO 12.0.6425.1000) via ODBC with the SQL Server ODBC driver (2000.85.1132.00) under Windows XP Professional (2002 SP3).  I have maintained all the data modules in Access 2000 format so that they can be accessed by SQL Server 2008 if required and am gradully upgrading the data modules to SQL Server.  The server they are connected to is Microsoft SQL Server Standard Edition (10.0.2531.0 running on a 32-bit Wndows Server 2008 Standard (SP2).  As a security improvement I intend to move a number of the applications to the server itself.  My choice of driver for ODBC is between SQL Server (6.00.6002.18005) and SQL Server Native Client 10.0 (2007.100.2531.00).  I have yet to discover any differences in application behavior or performance between the two interfaces My assumption is that I will have have fewer problems if I configure the ODBC links using the SQL Server driver.  However, I was wondering if there is a reason to gradually move them over to the SQL Server Native Client 10.0 driver. Thanks, Harry

What's the purpose of __sysP1 column in the client's database?

  
I have a SQL Server 2008 Publisher and SQL CE 3.5 subscriber and every so often the synchronization will fail giving me the error: A subscriber row failed to apply at the publisher. Review the error parameters and the conflict logging tables at the publisher to determine the reason the row failed to apply. [ Table name = <tableName>, Row guid = {F40FF701-4AF1-B011-92B1-CAE5B3335706} ] HRESULT 0x80004005 (28802) What I have found is that if I look at the record indicated above, the only difference from it and other records is that it has the value 0x01 for column __sysP1. I have looked for information on what that column means, but so far all I found is that it is a custom column. Any help will be greatly appreciated.

Add Service reference not updaing the client apps web.config file in .Net Framework 4.0

  

Hi Team

I am doing some experiments with WCF on .Net 4.0. I have created a service in 4.0 and add a new empty web application to consume my Service. When i added a service reference from the IDE, i can see the web.config file is not updated with the Servcie end points. How do i solve this issue?

My web.config in the client looks like this after adding the service reference.

Assigning External content type field column value using Client Object Model

  

I have a problem assinging External column value to ListItem object with client object model-based application I'm developing. To be precise, I am able to retrieve data related to external content type by reading external list created from this content type but I don't know how to properly use it to assign value to this field. By doing some research on my own I concluded that BDC ID column from external list is the way to go since it uniquely defines selected row from external list but that doesn't tell me much since I don't know what to do with it. Currently I ended up with partial solution - to assign plain string value of picker column but that makes this value visible only in "View Properties" option on Sharepoint and not in "Edit Properties" which pritty much makes sence since it isn't properly related to rest of the data in specific row. Does someone have a better solution for this?


Igor S.

Connection times out when WCF client tries to call WCF service, both in Windows Forms apps

  

Hello!

The exception message is: Could not connect to http://24.16.222.88:43584/CProsp/CP_WCF/mex. TCP error code 10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond 24.16.222.88:43584.

What I am trying to do: a WCF service is self hosted in a Windows Forms application. The WCF client is in another Windows Forms application. Eventually, the client is supposed to run on a computer somewhere out there on the Internet and send messages to the server which is running on my home computer. This is my first attempt at making a remote WCF call.

I have success when server and client either run on the same computer, or are running on different computers attached to my little in-home LAN. When I try to route the client's request via Internet (in preparation for having the client reside out there somewhere) I get the exception reproduced in the first paragraph above after waiting for about 20 seconds.

OS is WinXP Pro with SP3. Using Visual Studio 2008, Visual Basic. 24.16.222.88 is the IP currently assigned to me by Comcast (I watch carefully to see when it changes; also, I altered it for purposes of asking this question).

=================================

Serving Silverlight Apps from Windows Mobile

  
Even if mobile dev is not my every day work, thanks to the .Net Compact Framework, it's still .Net programming.

Here is the scenario:

You come back home, you have a windows mobile phone wifi capable and you want to quickly get access to your phone pictures from your home network.
You just activate the Wifi, run my app and then browse to the provided link from any computer on the network.

Use jQuery and ASP.NET AJAX to build a client side Repeater

  
By sending only data to the client, you can profoundly reduce the size of what you send and see a substantial increase in performance. You also allow yourself the ability to easily add features like light-weight sorting and paging on the client. This can not only improve your users' experience, but reduce server load and bandwidth requirements.

Client Side Gridview Pagination using JQuery

  
I would like to show how to use Client Side Gridview Pagination using Jquery Table Pagination Plugin by using Ryan Zielke.

Use jQuery and ASP.NET AJAX to build a client side Repeater

  
By sending only data to the client, you can profoundly reduce the size of what you send and see a substantial increase in performance. You also allow yourself the ability to easily add features like light-weight sorting and paging on the client. This can not only improve your users' experience, but reduce server load and bandwidth requirements.

To that end, I'm going to walk you through these four steps to effectively implementing a client side Repeater, using ASP.NET AJAX and jQuery:
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