Simple way of importing and exporting excel, csv file for ruby on rails application using roo gem
Create a Rails Application where student data can upload as excel and can be download as excel file. #Gemfile gem 'roo' #Student Table migration File class CreateStudents < ActiveRecord::Migration def change create_table :students do |t| t.string :name t.integer :roll_no t.integer :marks1 t.integer :marks2 t.integer :marks3 t.integer :avg t.timestamps null: false end end end #student_controller.rb class StudentController < ApplicationController def s_home @products = Student.all respond_to do |format| format.html format.csv { send_data @products.to_csv } format.xls { send_data @products.to_csv(col_sep: "\t"), filename: 'your...


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