Articles

Here's how implement the basic chat mechanism using XMPP in Universal app (Windows Store 8.1/ Phone 8.1).
Chatter box is an app that uses loop back video and audio to demonstrate the call management, audio and video capture and render, Push notifications and VOIP background agents.
This article describes about how to create a bar code scanner, claim it for exclusive use, enable it to receive data and read a barcode.
Learn how we can implement the Windows LIVE authentication and access OneDrive for file open/upload using LIVE SDK in Universal apps (Windows Store/Phone 8.1). By Creating a Universal app, you will get two projects, project for windows store and project for Windows Phone by sharing the shared project.
Learn how we can use the Bing Maps in Universal (Windows Store/Phone 8.1) WINRT apps. By Creating a Universal app, you will get two projects, project for windows store and project for Windows Phone by sharing the shared project.
Learn how we can use the Sqlite in Windows Phone/Store for local database or offline storage. If you are developing a universal app (Phone & Store) , which requires a common database for both the projects, we should follow the below mechanism.
In this article we will cover some common business scenarios that we frequently encounter when using Kendo Grid for MVC.
This article demonstrate creating and launching WPF application in it's own desktop in a secure manner.
Learn how to increase performance of the application using Lazy initialization.
This article demonstrates about how to display the data in ListView, bind the image as list item and highlight the current section alphabet while scrolling. This feature is beeing explained in plain Android Xamarin and MVVMCross.
This article demonstrates about how to implement the Push Notifications in Xamarin Android using GCM (Google Cloud Messaging) service which is a free service for sending, routing and queuing of messages from server application to Android application.
Microsoft .Net provides (Framework 4) support to deal with dynamic objects. Using ExpandoObject class we can work with dynamic types. ExpandoObject class represents an object whose members can be dynamically added and removed at run time. Means we can add or remove any member in runtime of its instance also we can set the values for members.
PLINQ (Parallel LINQ) is a parallel implementation of the LINQ. PLINQ was introduced in the .NET Framework 4.0.  It provides facility to query on IEnumerable or IEnumerable<T> data source data source in a type-safe manner. PLINQ internally separates the given object and performs the operation in multiple threads on different cores.
This article describes about how to add features of Audio, Video recording, Playback and Audio Notifications to Android app using Xamarin.
This code samples using the Calendar API to list Calendars and events including create, update, and delete the events, attendees and reminders.
This code sample demonstrates the different types of menus available in Android and its ActionBar. The Options Menu, Popup Menu, and Sliding Menu/Flyout Menu.
The code sample below demonstrates how to add Tabbed Layout to Action Bar. The Action Bar will display all the tabs concurrently and make all the tabs equal in size based on the widest tab label.
The code sample below demonstrates how to detect the newtwork connection in use and query a specific type of network connection, as well identify the user's current Geo location in Android Xamarin.
This article describes about how user can sign on the PDF Form in Windows Store application. If you want to accomplish the same feature in Windows Phone or Universal app, we don’t have the Assembly (dll) support in Windows 8.0 version. For Windows Store app, we can use the Windows.Data.Pdf dll to implement this feature.
This article describes about to open the Number Pad in Windows 8 Phone where user can enter/Delete/Clear/Cancel the required amount. For example, when user clicks on ChangeAmount button in Main Page or Parent Page, number pad will be displayed as a popup where user can enter the required Amount. When Number Pad closes, the user entered amount will be reflected in Main Page. Similarly, users can Clear/Delete/Cancel the amount entered.

New Questions

This application is an integration with Quickbooks and it fails to begin session. The exact error is: BeginSession method has not been called or it did not succeed. Stack Trace: at Interop.QBFC13.IQBSessionManager.DoRequests(IMsgSetRequest request) at .......)
So I have a validator in the aspx page in the code behind I want do disable it base on the role of the user if (User.IsInRo...
Hi all I want to use Gauge Chart in asp.net C# application. see in the image there are two charts one which has been drawn with red line and second one is below. what is the name of this chart. I searched alot on google but did not find exact solutions Thanks
Greetings all i would like to know if this is possible using VBA ( or other method) i want to determine the back color o a cell based on a color value stored in another cell in other word backcolor of cell A = the value of cell B sooooo if i change the numbers of cell B (which is color codes) , backcolor of cells A change accordingly&nb...
I am working on project where I want to concatenate (Text TO speech)wave file with other wave files and get saved in single file. I am able to save TTS as wave file but I am not able to merge it with other wave files.. Is it possible to concatenate MONO file with STEREO file ? How can I programmatically fix this in ASP.NET..?
I have a web page i.e xyz.com/default.aspx. In my code behind I have sent a post request to login page of different domain and it returns me the cookies of different sub-domain. How can we include the cookies of it in our page, so that we can access any other page of that sub-domain without authentication problem.
Hi All, I have a domain let say xyz.com and in my page, I have an Iframe with the page from other domain let say, www.abc.com/home.aspx. However, abc.com has authentication implemented, because of which it redirects to login.aspx. Is there a way so that i can call the login page of abc.com internally and get there cookies created from their side and then access their home page. I am us...
I have a windows application project in a solution and i have unit test cases written under that. Could someone kindly guide me on how to start the code coverage using NUnit.
take a look at this example http://www.w3schools.com/sql/trysql.asp?filename=trysql_select_join How can I do a third join with it?
How to perform MDI Concept in WPF application? The child window should not come out from Main window and also it should be hide when the main window lose the focus.
I want to hide a formviewc control from the c# code using a if statement saying if(valuefromdatabase == "") hide formview control how can I do this? Btw this is using asp 4 in visual studio 2010
Hi, I've C# 4.0 windows service running on a Windows 2008 server. It uses MS Excel interop component to read and save excel files on the server. Its throwing following error while doing so: Retrieving the COM class factory for component… error: 80070005 Access is denied.” (Exception from HRESULT: 0x80070005 (E_ACCESSDENIED)) I checked the registry and...
I'd like to write a formula or 'If...then' statement that checked if data in one column (the data is a unique code such as ULPR3000) existing in one column, can be found in another. How would I write that please?
Hello frnds. I want to check the visiting user to my website whether he is from(using) laptop or desktop or iPad or Iphone or IPod in asp.net c# Thanks
Hi, I've a C#/.Net windows service running on the server.It uses MS outlook Interop component(Microsoft.Office.Interop.Outlook.dll) to send emails to users. When this code is executed, it gives following error. System.UnauthorizedAccessException: Retrieving the COM class factory for component with CLSID {0006F03A-0000-0000-C000-000000000046} failed due to the foll...
Can anyone help me on how to code this one. How to shutdown/restart multiple remote computers on a domain network. There would be an option before you turn off the computer if what PC would you like to shutdown/restart. Any approach could be helpful. Hope you could help me on this.
I do have a gridview which has some data. I have Edit, Cancel & Save buttons outside the Gridview. On clicking "Edit" button, all the rows in gridview appears in edit mode in textboxes. I want to save the data in all rows on clicking the "Save" button. The tough part is my page does not have a post back. So, when I click "Save", it calls the onLoad event...
I have a text box where i am assigning a value using session on page load on save am saving it which is working fine, now i want to save a new value which is entered in the textbox, on save button click the textbox is retaining the session object value on textchanged event.
I am New to .net,I hope it would be great help for me I want auto generation of numbers in c#. Actually i have EmpCode with E and C followed by 3digit no. I have two text boxes. one box is for selecting E or C and another one for number which i want automatically generate like E001,E002