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The easiest way to create a new React application is to use Create React App tool. Run the following command from the command prompt or terminal to create a React application with default options. For details, see Getting Started on the Create React App site.
npm init react-app arjs-react-designer-app
Or if you are using yarn:
yarn create react-app arjs-react-designer-app
For more ways to create a React application, see the official documentation
We distribute the React Report Designer Component via @grapecity/activereports-react npm package that depends on the main @grapecity/activereports package that includes the core functionality.
To install the latest version of these packages, run the following command from the application's root folder.
npm install @grapecity/activereports-react@latest
Or if you are using yarn:
yarn add @grapecity/activereports-react@latest
Open the src\App.css
file and replace its content with the following code.
It imports the default Report Designer Component Styles and defines style for the element that will hosts the React Report Designer Component
@import "@grapecity/activereports/styles/ar-js-ui.css";
@import "@grapecity/activereports/styles/ar-js-designer.css";
#designer-host {
width: 100%;
height: 100vh;
}
ActiveReportsJS uses JSON format and rdlx-json
extension for report template files.
In the public
folder, create the new file called report.rdlx-json
and insert the following JSON content into that file.
{
"Name": "Report",
"Body": {
"ReportItems": [
{
"Type": "textbox",
"Name": "TextBox1",
"Value": "Hello, ActiveReportsJS Designer",
"Style": {
"FontSize": "18pt"
},
"Width": "8.5in",
"Height": "0.5in"
}
]
}
}
Replace the default code of src\App.js
with the following code. It uses the React Report Designer Component. The designer component's report
property points to the report.rdlx-json
that you created on the previous step.
import React from "react";
import "./App.css";
import { Designer } from "@grapecity/activereports-react";
function App() {
return (
<div id="designer-host">
<Designer report={{ id: "report.rdlx-json", displayName: "my report" }} />
</div>
);
}
export default App;
Running the npm start
or yarn start
commands could fail with the fatal error that the JavaScript heap is out of memory. In that case, open the package.json
file and replace the start
script with the following one.
react-scripts --max_old_space_size=8192 start
Then re-run npm start
or yarn start
command. If the command fails with the error like the one below, delete the node_modules
folder and run npm install
or yarn
to re-install all the required packages. Then run npm start
or yarn start
again.
> react-scripts start
internal/modules/cjs/loader.js:883
throw err;
^
Error: Cannot find module 'react'
The ActiveReportsJS Designer component will appear on the start page of the application and display the report design. Test the basic functionality by adding report items, setting their properties, creating the data source, et cetera.Visit the Developer Guide and the Online Demo for more information on how to use the Report Designer component.