Techie Solutions.

Hi all I got this issue while deploying my .net web application into Azure . In my application I was creating the Database by EnityFramework Code first approach . So after deploying the application to azure ,I changed the connection string . Then when I run my application , I see this error message " No default service level objective found of edition"GeneralPurpose".   This was my connection string. <connectionStrings> <add name= "CodeFirstDataBase" connectionString= "Data Source=tcp:mysite.database.windows.net,1437;Initial Catalog=SchoolCodeFirstDB; User ID=testn;Password=admin;Integrated Security=false;MultipleActiveResultSets=True;App=EntityFramework;" providerName= "System.Data.EntityClient" /> </connectionStrings> So I investigated a lot but could not get a exact solution for it . But this fix worked for me . I just changed  the connection string provide name from  providerName= "System.Dat...

Here I am showing a Angular 7 Hello World application within 2 minutes . In this tutorial I will show you the demo application without brief descriptions . Although I am not describing about the application briefly but it is very interesting . You will just see how easily we can build the Angular 7 application just by few commands.   So before starting this tutorial you should have some basic things. Your machine should have Node.Js and NPM installed . So Lets get started . Step-1 :  Please open command prompt . Step -2 : Then please check the  node.js version by this below command node -v (node.js version should be 8.x or 10.x ) If this given version is not there then please update it below commands npm install npm@latest -g Step-3 : Then please install Angular CLI. Please run the below commands. npm install -g @angular/cli Step- 4 : In this steps just create a work space to create a new angular project . To create the new work space please r...

Before starting this article you must have some basic knowledge on Angular 2 , typescript and how  to set up the Angular 2 application. If you are a newbie to Angular 2 then you can follow my below links . I am sure you will able to write the Angular 2 applications within 5 minutes. What is typescript ? http://whymysolutions.blogspot.com/2017/09/what-is-typescript.html Angular 2 project set up in Visual studio code and a Small Angular 2 application example. https://whymysolutions.blogspot.com/2018/09/angular2-application-in-visual-studio.html If you are comfortable with basic of Angular 2 then you can directly learn this article step by step. First we will describe the service creation and then we will use it in a small application. Step 1 : Create the service file     First we will create a file having the name as  m ydemoservice.service.ts . Here the *.service.ts* will same but the file name you can change.  Step 2 :  Imp...

base keyword is used to refer the Base class member . Base class is also called as Parent class and Super class as well. So when to use base Keyword. > To access the base class method which is overridden in child class . > If you want to access the base class constructor while creating the child class object . Lets explain it an example. Case-1 : public class PersonDetails {     protected string name = "John";     public virtual void GetInfo()     {         Console.WriteLine("MyName: {0}", name);     } } class EmployeeDetails : PersonDetails {     public string empid = "AA23";     public override void GetInfo()     {         base.GetInfo();         Console.WriteLine("Employee ID: {0}", empid);     } } class TestClass1 {     static void Main()     {         Employee...

I was trying to upload a file in client side and sending back the data from the client to Web API controller by angular service . Step 1 : I was doing it by. (It was bot the complete code )   function saveFile(file, cb) {     var readerObj = new FileReader();     readerObj .readAsDataURL(file);     readerObj .onload = function () {         savedFileDataAsBase64Format(readerObj .result, file.name,cb);     };     readerObj .onerror = function (error) {         alert("Error in uploading the file.");     }; Step 2 :     This is my Web api controller action method.        [HttpPost]         [Route("api/FileInput/SaveBase64FileData/{fileName}")]         public void SaveBase64FileData(string fileName, [FromBody]string fileData)         {     ...

In this article we will discuss about the component that we are using angular2 application . A angular component mainly consist of three things. 1. Class 2. Template 3. Metadata. We will discuss it one by one . Lets first add a component through Visual studio code. Basically the component is created with .ts extensions and we keep the name as filename.component.ts  . Now we will discuss it one by one. 1. Class : Like other object oriented programming language we declare the class . class is declared with a name and having some property , method and constructor as well. 2. Template :  Template is nothing but an view part of the application . What ever we want to render in the screen that should be mentioned in the template section . Basically the template section contains the HTML content. 3. Metaddata :  Its a extra data used to decorate the angular class for behaving the class properly. Angular2 uses several entries for metadata like annotation...

1. What should be the output of the following code snippet. const arr = [1, 2, 3, 4]; for (var i = 0; i < arr.length; i++) {   setTimeout(function() {     console.log('Index: ' + i + ', element: ' + arr[i]);   }, 4000); } Output :  Index: 4 ,  element: undefined Explanation : Actually the setTimeout function will create a closure function which have access to the upper local variable i . So once the for loop gets executed the setTimeout function is get executed and the i value goes up . So within this 1 sec the i value goes upto 4 and the arr[4] value would be undefined .