Brought from our old-site: http://salearningschool.com/displayArticle.php?table=Articles&articleID=1116&title=Understanding%20.Net%20Application%20Deployment:%20.Net%20Deployment%20Features

• Features you are required to understand: No-impact applications: isolate applications, remove DLL effects, Keeping the Components Private: components available only to the application, Controlled Code Sharing using GAC, Side by Side Versioning: Multiple versions of the same application, Xcopy Deployment: Without registry entries (copy to a directory), On the fly updates, Integrated with Microsoft Windows Installer, Enterprise Deployment: Use Active Directory to deploy applications on user login or computer start.
• Packaging: Assemblies (deploy the .dll and .exe files), Cabinet Files (.cab): Compress the .exe files into .cab files, Create .msi files
• Distribution: Xcopy or FTP: CLR applications with no registry entries, Code Download, Use windows installer
• Four types of deployment projects: Setup, Web-setup, Cab, Merge Module
• Creating different types of deployment projects: Visual Studio: File-> New project ->other project types-> set up and deployment -> then select Setup, Web Setup, Merge Module, or CAB project
• Structuring a .NET Application For Easy Deployment
• About Merge Module Projects: Installing and deploying components
• Implementing Versioning and Side-by-Side Deployment: Deploy assemblies with different version numbers in the global assembly.

From: http://sitestree.com/?p=3761
Categories:Misc .Net
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Post Data:2016-07-17 07:21:59

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Brought from our old-site:http://salearningschool.com/displayArticle.php?table=Articles&articleID=797&title=Deploying%20.Net%20Windows%20Applications

Deploying .Net Windows Applications

• Ways to deployment: XCOPY, Automated setup application
• Use XCOPY only when there is no external dependencies other than .Net framework. And it is guaranteed that .Net framework is installed in all the target machines. Also, make sure the application directory contains all the files
• Command example: XCOPY d:myApplication c:deployedApplication /s — /s indicates subdirectories will also be copied
• Setup Applications: two types: setup projects and merge module projects
• Setup projects: installs your application to the target machine
• Merge module projects: Used to deploy controls and components. It can be merged with a setup project
• To create setup project: File Menu->Add Project -> New Project->setup project-> setup project creation wizard comes. Select options as appropriate. It will be mostly common sense.
• Merge module project: File Menu->Add Project -> New Project->setup and deployment project-> setup wizard. Select options as appropriate. It will be mostly common sense.
• Setup project is also displayed in the project explorer. Right click and select properties to provide build properties.

From: http://sitestree.com/?p=3757
Categories:Misc .Net
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Post Data:2016-07-17 08:30:59

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Brought from our old-site (yes, pretty old short-note): http://salearningschool.com/displayArticle.php?table=Articles&articleID=636&title=Debug%20and%20Trace%20Classes%20in%20.Net

Debug and Trace classes in .Net

You can always debug your applications line by line. However, when the applications get very bigger/larger, debugging line by line may not be an efficient way for finding errors in code (well, you can first find out the error region and then can debug line by line). Debug and Trace classes are handy in such cases. Using Debug and Trace classes, you can find errors and write them in a file or create an event log. Later, you can check the file or the event log to see what kinds of errors the applications are causing. They both provide the same functionalities except that Debug class works only in the debug mode. Trace can work even after the applications are released and also you can control the error reporting from released versions. In a .config file you can change the behavior of the Trace class.

Logging Trace Output into a text file

• 1. Create a FileStream object instance and map it to a file
• 2. Create a TextWriterTraceListener instance and make the text file as the targe of this listener
• 3. Add this listener to the Trace.Listeners collection
• 4. set Trace.AutoFlush to be true
• 5. where required you can use Trace.Write method to send error messages to the file
• 6. Trace.Write, Trace.WriteLine, Trace.WriteIf, Trace.WriteLineIf can be used to send error message to the file
• 7. Trace.Assert method writes error messages only if the supplied condition fails. Trace.Assert also displays the error in a MessageBox
• 8. Trace.Fail causes an Trace.Assert unconditionally

Logging Trace output into an Event Log

• 1. Create or open an Event Log
• 2. Set the Source property of Event Log
• 3. Create an instance of EventLogTraceWriter and specify the new event log as it’s target
• 4. Use Trace.AutoFlush[automatic sending], or Trace.Flush [send error messages explicitly]
• 5. Where required, you can use Trace.Write method to send error messages to the file
• 6. Trace.Write, Trace.WriteLine, Trace.WriteIf, Trace.WriteLineIf can be used to send error messages to the file
• 7. Trace.Assert method writes error messages only if the supplied condition fails. Trace.Assert also displays the errors in a MessageBox
• 8. Trace.Fail causes a Trace.Assert unconditionally

TraceSwitches

TraceSwitch/BooleanSwitch class can be used to control the error messaging that the Trace class generates.

From: http://sitestree.com/?p=3753
Categories:Misc .Net
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Post Data:2016-07-17 09:54:12

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Overview of ADO.net

Purpose

• Components of ADO.net and their functions

ADO.net provides disconnected database access to make minimum resource (RAM,Page Table,Heap) use. Database connections are open as long as the connection is required. Afterwards, the connection is just closed. If connections are kept active and if new connections are used for new operations, the system resource will easily used up. Further, it can consume database licenses quickly.

ADO.net has two major entities. DataSet and Data Provider

Data Set

Data set is in-memory representation of data. After querying a database, you may keep your data in a DataSet. DataSet may contain 0, one or more tables. The tables in DataSet are termed as DataTables. DataTables have two concepts/collections DataColumns, and DataRows. DataRows contain the data. DataSet also contains DataRelations collections that may be used to create relations among the DataTables in the DataSet. Additionally, DataSet contains ExtendedProperties collections to contain custom information about the DataSet

Data Provider

It is actually a collection of several components. Some data provider objects are:

• SQL Server Data Provider: To interact with MSSQL Server Databases
• OLE DB.Net data provider: May be used to interact with other databases.
• ODBC (.Net) Data provider
• Oracle Data Provider: For efficient interaction with Oracle Databases

Data Provider Components

• Connection Object: To connect to the database. Objects: SqlConnection(for MS Sql Server), OleDbConnection(for wide range of databases), ODBC Connection(to connect through ODBC), OracleConnection(for oracle). The main property of Connection objects are the ConnectionString.
• Command Object: like SqlCommand, OleDbCommand. After creating a connection a command object may be used to query the database or to run a stored procedure. It has methods like ExecuteNonQuery(For Insert,Update,Delete), ExecuteScalar(to access a single value),ExecuteReader(returns ResultSet, may be kept in a DataReader object)
• DataReader Object: Like, SqlDataReader, OleDbDataReader, [ODBCDataReader,OracleDataReader]. It is a read-only, forward only, connected data stream. It uses the connection exclusively and tries to use minimum system resources[contain only one row in the RAM]
• DataAdapter Object: It is the object that provides disconnected data access in .Net. DataAdapter fills a DataSet or DataTable by using it’s Fill method. Unlike DataReader DataAdaptor can propagate the changes in DataSet/DataTable to the database using it’s Update method. DataAdapter contains queries(select,update,insert,delete) in four properties like SelectCommand, InsertCommand,DeleteCommand,UpdateCommand. When fill method is called the data returned by SelectCommand query are saved in DataSets/DataTables. Remember Update is another method, that copies DataSet data to the Database.

From: http://sitestree.com/?p=3749
Categories:Misc .Net
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Post Data:2016-07-16 16:46:07

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PhoneGAP Desktop App & PhoneGap CLI:

http://docs.phonegap.com/getting-started/1-install-phonegap/cli/

Getting Started With PhoneGap and Android Studio:

http://www.codenutz.com/getting-started-phonegap-android-studio/

Using PhoneGap to create an Android APK

https://wiki.nsbasic.com/Using_PhoneGap_to_create_an_Android_APK

Build, Package and Distribute for Production

http://docs.phonegap.com/getting-started/5-going-further/

Cordova Commands

http://docs.phonegap.com/references/phonegap-cli/cordova/

For Moodle Mobile App Customization

https://docs.moodle.org/dev/Moodle_Mobile_Customization

  From: http://sitestree.com/?p=12151
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Post Data:2018-03-15 12:58:50

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https://www.youtube.com/watch?feature=player_embedded&v=jjbxdYkUvkQ From: http://sitestree.com/?p=2423
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Post Data:2015-10-09 08:43:17

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Jute is called golden fiber of Bangladesh as it had very good positive impact on economy. By using jute fiber we can make bags, carpet, mat etc that are biodegradable and environment friendly. There is a good environment to produce jute plant here. Generally it takes 2 months to produce jute plant. Then the raw fiber is submerged under water to make it fermented. Then they separate the fiber from the plant and dry it under sun. The fiber looks like golden thus it is called golden fiber. We hope that the recent invention of jute genome will help us a lot to make a revolution in this sector. From: http://sitestree.com/?p=53
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Post Data:2012-11-18 19:01:29

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