The java.lang.IndexOutOfBoundsException is an exception class in Java that is thrown when an index used to access an array, list, or other collection is either negative or greater than or equal to the size of the collection. This usually indicates an attempt to access an element at an invalid index that does not exist in the collection.

Hello guys, we often need to export data from database into excel files in ASp.Net mvc using ClosedXML Xlworkbook. XlWorkbook is a third party library that helps in exporting excel file from datatable or dataset easily amd allows many formatting options that helps in better presenting data in excel.

How to create a read-only MySQL user

Hello guys sometimes while trying to run Your Asp.net core project you may face error HTTP Error 500.32 Failed to load ASP NET Core runtime . So we will see how to solve that.

Hello guys , we often need to integrate sms functionality in our asp.net web application. For that purpose, we often use different SMS libraries. This article will show how to send SMS using Twillio in Asp.Net MVC.

This article will explain repository design pattern with ADO.Net in MVC from the database without using the entity framework. I am going to use ADO.Net for this article.

Hello guys , now a days we often provide users the ability to upload images in our web projects. But we have to sometimes utilize the memory for big size images as they can easily full up the memory of server. So for that we can use image compression while uploading image. In this article we will see how to perform Image Compression in Asp.net MVC.

In C, an array is a collection of elements of the same data type, stored in contiguous memory locations. An index is used to access the elements of an array.

Hangfire is an open-source library to schedule and execute background jobs in .NET applications. You'll be able to create a simple background process inside the same application pool or thread without creating separate applications. Hangfire creates background jobs in persistence storage, like MS SQL Server, Redis, MongoDB, and others, that may prevent you from losing the job on recycling IIS pools or exception prevalence.

In Java, access modifiers are keywords that control the visibility and accessibility of classes, fields, methods, and other members within a class or package.

We will discover how to integrate the Razorpay payment gateway with ASP.Net Core in this tutorial. Here, we go over Razor Pay and show you how to incorporate it into ASP.Net Core MVC. Please read through my earlier post, "Build CRUD REST APIs with EF Core." You can view the result of our integration of Razorpay with ASP.Net Core MVC at the conclusion of this post.

Hello guys, sometimes we need to get mime type for specific file types. So we will see how we can get mime type for any file extension in Asp.Net.

Image compression is a way of reducing the size of the images. compress your image in different formats PNG, JPEG, and GIF images. We will learn how to compress image using ImageCompress nuget package which you can download from nuget.

Hello guys, we all would have used cookies in our Asp.Net Core web projects. If you have used httpcookies in Asp.Net core 2.1 project and you are trying to update your .Net core version to 3.1 . You will notice your HttpCookies are not working there. So, we will see how to fix HttpCookies Issue with Asp.Net Core 3.1.

The String Joiner class in Java makes it easy to connect several strings with a defined delimiter. It is very useful for concatenating strings in a loop or dealing with string collections.

Hello guys, sometimes in MVC projects we often need to add pagination on client side or server side. In this article we will see how we can implement simple pagination in ASP.NET MVC using jquery.

Hello guys, sometime we need to shuffle our list or array randomly without being in a certain order. So , in this article we will learn how to shuffle a list randomly in c#.

A NullPointerException is a runtime exception in Java that happens when you attempt to perform an operation on a null object reference. In other words, you're attempting to access a member (such as a method or field) of an object that hasn't yet been initialized, which results in a null reference.

In C, control statements are used to control the flow of program execution based on certain conditions or loops. These statements allow you to make decisions and repeat actions in your code

Hello guys, often while working with angular js you sometimes have requirement of implementing chat functionality where user can press @ and select users from the list , similar to what we do on skype or all big chatting platforms. For that purpose we can use Angular-mentions which is a package in Angular js for skype like @ chat functionality. We will see how to use that in detail.

Record Screen In asp.net MVC using RecordRTC

Hello guys, sometimes while working with sql server, we sometimes face the need of working with json data . For that purpose we have to be able to read json data in sql which is quite a difficult task, so we will see how to read json in sql server in simple steps.

Hello, readers, and welcome to Code2Night! In this blog post, we will focus on the latter and explore how to implement JWT Token Authentication in ASP.NET Core 7.0 Web api and .net core 7 web application. So we will see how we will generate jwt token and how we will verify the token using authorize attribute.

Hello guys, while creating asp.net core application we often need to implement export of data and for this purpose we sometimes need to export views to pdf file. So, We will see how to export view as pdf in Asp.Net Core MVC in simple steps using itextsharp library which is free.

Hello guys sometimes while trying to run Your Asp.net core project you may face error HTTP Error 500.31 Failed to load ASP NET Core runtime . This error is basically because the framework required by the project is not on your system. So we will see how to solve that.

Hello guys, sometimes we need to allow users to type only decimals in the textboxes. For that purpose , we will see how to apply decimal validation in javascript

Shuffling an array means we want to randomly rearranging the list or an array.

Hello guys, we often want to integrate payment gateways in our Asp.Net applications. Some of the most popular payment gateways are payumoney,paypal,stripe and razorpay. We have already covered payumoney and stripe in our blogs. In this article we will see How to implement Paypal in Asp.Net Webforms.

Hello guys, sometimes we need to allow users to type only alphabets in the textboxes. For that purpose , we will see how to apply alphabet validation using javascript

Get random number in asp.net C#

This tutorial demonstrates how to accept payments with Stripe Checkout in an ASP.NET Core 8.0 application built with C# . The application uses Checkout to accept credit cards from the end user and send tokens to a back-end API. The back-end controller uses the Stripe .NET library to create a charge. We are using latest version on Stripe.Net api in this. Check out complete steps to Integrate Stripe Payment Gateway In ASP.NET Core 8.0

The String Buffer class in Java provides a modifiable sequence of characters. It is commonly used when you need to dynamically edit strings without continuously generating new objects.

This article will guide you through creating an XML document from scratch, adding nodes, child nodes, and attributes. We will learn How to Create XML Documents in ASP.NET.

Operator overloading in C++ allows you to define how operators behave when used with objects of user-defined classes. You can customize the behavior of operators, such as +, -, *, /, ==, and many others, to work with your own classes, making your code more intuitive and expressive.

A dynamic array implementation that is a part of the Java Collections Framework is the Vector class in Java. It offers a resizable array that can expand or contract as necessary. Similar to ArrayLists, vectors are thread-safe for use in multi-threaded situations since they are synchronised.

Hello guys, sometimes while working with Asp.Net application and mobile apps we often need to use Firebase database . So we will be using Firebase Database in Asp.Net web application.

The org.openqa.selenium.SessionNotCreatedException is an exception that can occur when working with Selenium, a popular automation testing framework used for web application testing. This exception typically indicates that a new session (browser instance) could not be created due to various reasons.

Java includes a number of data structures for storing and manipulating collections of objects. The 'LinkedHashMap' class, which is an extension of the 'HashMap' class, is one of the important classes in the Java Collections Framework. LinkedHashMap, unlike HashMap, preserves the order of its items depending on the insertion order, making it helpful in cases where the order of components must be maintained based on their arrival time.

The anchor (<a>) and image (<img>) tags are two fundamental HTML elements used to create links and embed images in web pages.

C# provides the while loop to repeatedly execute a block of code as long as the specified condition returns false. The while loop starts with the while keyword, and it must include a boolean conditional expression inside brackets that returns either true or false. It executes the code block until the specified conditional expression returns false. The condition is given in the beginning of the loop and all statements are executed till the given boolean condition satisfies when the condition becomes false, the control will be out from the while loop else It executes the code block until the specified conditional expression returns false.

How to delete files to Azure Blob Storage in an ASP.NET Core Web

LINQ (Language Integrated Query) is a feature in C# that allows us to perform queries against data sources, which can be arrays, collections, or any type of databases, using a SQL-like syntax. In this article, we will cover some basic concepts and functionalitites of LINQ and learn how to use it in your C# application

Hello guys, now a days we often have to use web api's in our Asp.Net core projects. In this article we will see how to create web api in asp.net core. We will create HttpGet,HttpPut,HttpPost and HttpDelete api's and see how to test them.

This article will discuss key factors when choosing a Mohali mobile app development training program. It will also highlight what makes tecHangouts unique from the competition.

The List class has a lot of useful methods that you can use to organize data. This article will cover how to sort the items in your list and make them easier to read. The Sort method is the simplest way to sort a C# list

Hello guys, we often want to integrate payment gateways in our Asp.Net applications. Some of the most popular payment gateways are payumoney,paypal,stripe and razorpay. We have already covered payumoney and stripe in our blogs. In this article we will see how to implement paypal in Asp.Net Core.

Hello guys, we often have to implement realtime chat functionality in our Asp.net web application. So we will see how to build real-time application with SignalR in Asp.Net Core

Hello guys sometimes we need to call async methods inside sync methods in our asp.net application. So we will see how we can do that.

Hello guys sometimes we often need to convert base64 to tiff data and we have to verify if the base64 is correct for tiff image. So we will see how to Verify If base 64 string is valid for tiff image in C#.

Hello guys, in this article we will discuss a issue that we face when we use sfgrid in Blazor. So sometimes while using SfGrid when we want to refresh data source of grid with different schema it doesn't refresh properly. We will see how to fix the issue Changing sfgrid datasource does not work in Blazor.

Hello guys, we often need to implement user authentication and validate user authentication for all actions. We will see how we can create custom filter attribute and use that for user authentication.

In C++, classes are the building blocks of object-oriented programming (OOP). They serve as blueprints or templates for creating objects. Classes define the structure and behavior of objects, encapsulating data (attributes) and functions (methods) that operate on that data.

Hello guys, now a days we often need to add QR Code Generator in our websites to store some information in QR Code for implementing that we will use Jquery QR Code js library with Asp.Net MVC. Jquery QR Code Generator is a free jquery library which can be used across different programming languages.

Hello guys, sometimes we often want to restrict user from typing aplhabet characters and just all them to type numeric characters only. So we will see how to apply numeric only validation in javascript.

When you need to manage strings efficiently in Java, you should utilise the StringBuilder class. Unlike the immutable String class, the StringBuilder class allows you to change the contents of a string without creating a new object each time.

Hello guys, we often want to integrate payment gateways in our Asp.Net applications. Some of the most popular payment gateways are payumoney,paypal,stripe and razorpay. We have already covered payumoney and stripe in our blogs. In this article we will see How to refund payment using Paypal in Asp.Net MVC. For this we will use paypal sale api.

Let’s explore how ServiceNow, particularly its IT Operations Management (ITOM) capabilities, drives efficiency, enhances productivity, and transforms the way businesses operate.

Hello guys we will see how to fix Error An error occurred while processing your request.Swapping to Development environment will display more detailed information about the error that occurred.The Development environment shouldn't be enabled for deployed applications. It can result in displaying sensitive information from exceptions to end users. For local debugging, enable the Development environment by setting the ASPNETCORE_ENVIRONMENT environment variable to Development. In asp.net core IIS

Hello guys, we often want to integrate payment gateways in our Asp.Net applications. Some of the most popular payment gateways are Authorize net, payumoney,paypal,stripe and razorpay. We have already covered payumoney and stripe in our blogs. In this article we will see How to implement Authorize.Net Payment gateway in asp.net mvc.

In HTML, you can define classes using Cascading Style Sheets (CSS) to apply specific styling to multiple HTML elements. Here's how you can define classes in CSS within an HTML document:

Multiple rows to one comma separated value in Sql Server

In this article, we'll explore how to send calendar events via email using .ICS files in an ASP.NET application. We'll walk through the process step-by-step and explain the provided code snippet along the way.

Hello guys , sometimes while working with Asp.Net web application. We often found that web site is loaded in http:// and then we have to manually changes the url to https:// to make it work. So for avoiding manual workk, we will see how to auto redirect from HTTP to HTTPS In Asp.Net using Web Config

When the variable of one data type is changed to another data type is known as the Type Casting.

Hello guys, in this article we will see how to fix CWE-23 Path Traversal vulnerability Unsanitized input from an HTTP parameter flows into global::System.IO.Directory.CreateDirectory, where it is used as a path. This may result in a Path Traversal vulnerability and allow an attacker to create arbitrary directories when we scan our code with snyk.

Hello guys, in this article we will learn Convert string with dot notation to JSON Asp.Net. This will be needed while working with Ltree Postgre Sql.

Hello guys, now a days we often need to implement api's in our Asp.net Core project and for testing api's we often use swagger. Swagger is a type of Api developer tools which helps developers in using and testing api's in a better way. We will see how to use Swagger in Existing Asp.Net Core MVC Project.

Hello guys, in this article we will learn how to reload vue js child component. Sometime we need to reset child components or just re-render them. There few ways to reset child components but for beginner and those who have just started with vue js it can become a tough task to understand the flow to reset child components. So we will see how to reload child component.

Polymorphism means many forms. This allows us to perform a single action in different ways.

An ArrayIndexOutOfBoundsException is a runtime exception in Java that happens when you attempt to access an array element with an index that is outside the array's valid range of indices. In other words, you're attempting to access an element in the array at an index that doesn't exist.

If statement will execute a block of code if the given condition is true. The if statement checks a Boolean expression and executes the code based on if the expression is true

C# List<T> class is used to store and fetch elements. It can also have duplicate elements. It is found in System.Collections.Generic namespace. List<T> class in C# represents a strongly typed list of objects. List<T> provides functionality to create a list of objects, find list items, sort list, search list, and manipulate list items. In List<T>, T is the type of object. What is the ‘T’ in List<T>? List<T> class represents a strongly typed list of objects. List<T> provides functionality to create a list of objects, find list items, sort list, search list, and manipulate list items. In List<T>, T is the type of objects. How to create List in C#? List is a generic class and is defined in the System.Collections.Generic namespace. You must import this namespace in your project to access the List<T> class. using System.Collections.Generic; The List<T> is a generic collection, so you need to specify a type parameter for the type of data it can store. The following example shows how to create a list and add elements.

Type conversions between classes in an inheritance hierarchy are referred to as "upcasting" and "downcasting" in Java. When working with polymorphism and inheritance, these conversions are frequently required. Let's look at both ideas:

You can design forms in HTML that let users enter data and send it to a server for processing. You can create forms using a variety of form elements and HTML tags. Here's a simple illustration of how to make a straightforward form in HTML:

In this article we will see how to solve issue 'ConfigurationBuilder' does not contain a definition for 'SetBasePath' and no extension method 'SetBasePath' accepting a first argument of type 'ConfigurationBuilder' could be found (are you missing a using directive or an assembly reference? in .Net Core 3. We will see how to ready json files in .Net core 3.

Hello guys, often we want to support file upload in web applications and you will notice if you try to upload file more than 4MB you will face error Maximum request length exceeded .We will see how to fix error maximum request length exceeded in asp.net mvc.

Hello guys, in this article we will create script for creating database backups from sql database server. We will use powershell script batch file for this purpose.

JWT Token Authentication And Authorizations In .Net Core Web API

Hello guys , we often need to integrate voice calling functionality in our asp.net web application. For that purpose, we often use different voice call libraries. This article will show how to make voice call using Twillio in Asp.Net MVC.

Innovation has become essential in today's digital-first economy. Artificial intelligence (AI) is being used more and more by businesses trying to stay competitive in order to boost productivity, improve customer satisfaction, and open up new growth prospects. However, realising AI's full potential necessitates more than experimenting with technology; it calls for the proper plan and skilful implementation. AI development services can help with that.