Open the NuGet package manager console and add the EPPlus library. We will generate the excel file from static data, but in real life, data are coming from the database. Write Operation In the following example, we will convert an array of JSON objects into an excel sheet and append it to the file.Here, we will learn about downloading excel file in ASP.NET MVC. Run the read.js file using the following command: node read.js There is a forEach loop which iterates through every JSON object present in the array temp and pushes it into a variable data which would contain all the data in JSON format.įinally, the data is printed or any other modification can be performed on the array of JSON objects. It accepts a worksheet object as a parameter and returns an array of JSON objects. One of the most important functions used in the code above is the sheet_to_json() function present in the utils module of the xlsx package. It can be accessed as follows: const sheets = file.SheetNames // Here the value of the sheets will be 2Ī for loop is run until the end of the excel file starting from the first page. The number of files in that particular excel file is available in the SheetNames property of the workbook. Introduction to Object Oriented Programming in JavaScript.Javascript Error and Exceptional Handling With Examples.JavaScript Importing and Exporting Modules.JavaScript Program to write data in a text File.How to read a local text file using JavaScript?.How to read and write Excel file in Node.js ?.What is Declaration Merging in Typescript ?.ISRO CS Syllabus for Scientist/Engineer Exam.ISRO CS Original Papers and Official Keys.GATE CS Original Papers and Official Keys.Full Stack Development with React & Node JS(Live).Java Programming - Beginner to Advanced.OS DBMS CN for SDE Interview Preparation.
Data Structure & Algorithm-Self Paced(C++/JAVA).Full Stack Development with React & Node JS (Live).Data Structure & Algorithm Classes (Live).
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