Oggi è stato pubblicato il libro di Enrico Rossini Creare App per Windows Phone 8 Concetti di base. Nel mercato degli smartphone è arrivato da qualche tempo il nuovo sistema operativo di Microsoft, Windows Phone, che rappresenta un taglio netto con il passato: nuova architettura, nuova user experience, nuova grafica e anche nuovi strumenti di…
In this article I will explain how we can save and retrieve files from Windows Folder and Directory and display them in ASP.Net GridView control with download and delete option. HTML Markup Below is the HTML Markup of the page, where I have an ASP.Net control FileUpload to upload files, a Buttoncontrol to trigger…
This article provides a minimal example on how to create Background Agents (Tasks) in Windows Phone. There is a more comprehensive example on Dev Center How to implement background agents for Windows Phone. Introduction Windows Phone apps are made dormant when running in the background or when the phone is locked (to conserve device…
All Windows Phone applications that use Internet data should always check if there is a valid Internet connection; if there is no connection, a proper message should be displayed to the user. The correct way to check if you have an Internet connection (WIFI, Ethernet, or none) is by checking the property: NetworkInterface.NetworkInterfaceType Unfortunately checking…
Many applications utilize network connection for various purposes like feeds, sending & receiving data to/from server, etc. The following article explains how one can detect if the network connection is available or not. Network API Information NetworkInterface Class helps in providing network information to the developers. It helps detect if the network is on/off, address…
This article explains how to quickly resume the Windows Phone 8 application which is put in the background. Introduction Whenever your app loses focus (is put in the background), an instance of the app is saved. This instance is used to resume the app if the user tasks to it from a deep link…
In this series of tutorials, we build an entire Contact Management application from start to finish. The Contact Manager application enables you to store contact information – names, phone numbers and email addresses – for a list of people. We build the application over multiple iterations. With each iteration, we gradually improve the application. The…
Building a Contact Management ASP.NET MVC Application (C#) In this series of tutorials, we build an entire Contact Management application from start to finish. The Contact Manager application enables you to store contact information – names, phone numbers and email addresses – for a list of people. We build the application over multiple iterations. With…
I have the following collection / table Category Type Detail CostAuto Hybrid AC 80Auto Hybrid Sunroof 100Auto Standard AC 120Motorcycle Standard Radio 60 Is there a way with linq to get this to pivot to look like this? Category Type AC Radio Sunroof Auto Hybrid 80 0 100 Auto Standard 120 0 0Motorcycle Standard 0…
The ASP.NET MVC 5 Framework is the latest evolution of Microsoft’s ASP.NET web platform. It provides a high-productivity programming model that promotes cleaner code architecture, test-driven development, and powerful extensibility, combined with all the benefits of ASP.NET. ASP.NET MVC 5 contains a number of advances over previous versions, including the ability to define routes using…
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The Battery API makes a nice addition to the WP8 SDK. I can see in the near future that some applications will display the battery metrics on a Live Tile or in the application that hides the System Tray. The Battery API is pretty easy to use: Get the Battery instance with Battery.GetDefault() Bind to…
This post mainly answers the question how and why you should add a privacy policy to your Windows Phone app. If you want to read a more general overview of privacy policies in mobile apps then you can read that here If you want to skip all that and just use our generator to help…
string myHost = System.Net.Dns.GetHostName(); // Show the hostname MessageBox.Show(myHost); // Get the IP from the host name string myIP = System.Net.Dns.GetHostEntry(myHost).AddressList[index].ToString(); // Show the IP MessageBox.Show(myIP);
To add new records into a dataset, a new data row must be created and added to the DataRow collection (Rows) of a DataTable in the dataset. The following procedures show how to create a new row and insert it into a DataTable. Examples are provided for both typed and untyped datasets. I created this…
While I was trying to connect to an Access Database from Visual Studio 2010 on my Windows 7 x64 server, I got the following error message, SOLUTION After a detailed research on the above error message, I was able to identify that the 64-bit framework dlls weren’t able to 32-bit versions of the ‘Microsoft.ACE.OLEDB.12.0‘ provider…
I needed to read my SMTP email settings defined under system.net section in my web.config file. In order to use eNewsLetter and other SiteAdmin CMS modules that sending email notifications; you can setup your web.config to defind SMTP services settings. Below is one example of SMTP email setting defined in web.config file:(Under <configuration> Section) …
After some exhaustive research, I managed to find the best server settings for serving web fonts. There are a number of font formats that one can set MIME types for, on both Apache and IIS servers. I’ve traditionally had luck with the following: svg as “image/svg+xml” ttf as “application/x-font-ttf” or “application/x-font-truetype” otf as “application/x-font-opentype” woff…
Data is read from a database. It is generated in memory from input. DataTable is ideal for storing data from any source. With it we take objects from memory and display the results in controls such as DataGridView. The DataTable type is a powerful way to store data in memory. You may have fetched this…
Here I show a simple class that receives the HTML string and then extracts all the links and their text into structs. It is fairly fast, but I offer some optimization tips further down. It would be better to use a class. using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Text.RegularExpressions; using System.Threading.Tasks; namespace…
I have written the following DateDiff() function in C#. VB.NET users already had it using the Micrsoft.VisualBasic.dll assembly. Now you can use it without referencing this ‘ugly’ extra assembly. using System; namespace PureSourceCode.System { public enum DateInterval { Year, Month, Weekday, Day, Hour, Minute, Second } public class DateTimeUtil { public static long DateDiff(DateInterval interval,…
How to implement a log record changes in SQL server in an audit table and Entity Framework. This is the easy explanation and the code
// Specify a name for your top-level folder. string folderName = @”c:\Top-Level Folder”; // To create a string that specifies the path to a subfolder under your // top-level folder, add a name for the subfolder to folderName. string pathString = System.IO.Path.Combine(folderName, “SubFolder”); // You can write out the…
In this article I will explain with an example how to use ASP.Net DropDownList control in the EditItemTemplate of ASP.Net GridView control. I created this GridView with EditItemTemplate. <asp:GridView ID=”GridView1″ runat=”server” AllowPaging=”True” AllowSorting=”True” AutoGenerateColumns=”False” AutoGenerateEditButton=”True” DataKeyNames=”CodeAction” OnRowEditing=”GridView1_RowEditing” OnRowDataBound=”GridView1_RowDataBound” OnRowUpdating=”GridView1_RowUpdating” OnPageIndexChanging=”GridView1_PageIndexChanging” OnRowCancelingEdit=”GridView1_RowCancelingEdit”> <Columns> <asp:CommandField ShowSelectButton=”True” /> <asp:BoundField DataField=”CodeAction” HeaderText=”CodeAction” ReadOnly=”True” SortExpression=”CodeAction” /> <asp:BoundField DataField=”Description” HeaderText=”Description” SortExpression=”Description”…
With ASP.NET 2005 Microsoft introduced a pretty solid menu which is integrated with a configuration driven sitemap. The cool part is that the menu can be hooked in with your security roles, so you don’t have to worry about hiding or showing menu options based on the user – the menu options are automatically kept…
