Working with External Data Connection of type WebQuery with JavaScript via C++
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You can access external data connection of any type using the Workbook.DataConnections collection. One type of such data connection is WebQuery. This article will show you how to work with WebQuery data connection. You can create WebQuery data connection in Microsoft Excel using the Data > From Web menu.
Working with External Data Connection of type WebQuery
The following code shows how to work with external data connection of type WebQuery. It uses the sample excel file which you can download from the provided link. You can also see the console output of this code further below.
<!DOCTYPE html>
<html>
<head>
<title>Aspose.Cells Example</title>
</head>
<body>
<h1>Web Query Connection Reader</h1>
<input type="file" id="fileInput" accept=".xls,.xlsx,.csv" />
<button id="runExample">Run Example</button>
<a id="downloadLink" style="display: none;">Download Result</a>
<div id="result"></div>
</body>
<script src="aspose.cells.js.min.js"></script>
<script type="text/javascript">
const { Workbook, SaveFormat, Worksheet, Cell, Utils } = AsposeCells;
AsposeCells.onReady({
license: "/lic/aspose.cells.enc",
fontPath: "/fonts/",
fontList: [
"arial.ttf",
"NotoSansSC-Regular.ttf"
]
}).then(() => {
console.log("Aspose.Cells initialized");
});
document.getElementById('runExample').addEventListener('click', async () => {
const fileInput = document.getElementById('fileInput');
const resultDiv = document.getElementById('result');
if (!fileInput.files.length) {
resultDiv.innerHTML = '<p style="color: red;">Please select an Excel file.</p>';
return;
}
const file = fileInput.files[0];
const arrayBuffer = await file.arrayBuffer();
// Loading the workbook from the selected file
const workbook = new Workbook(new Uint8Array(arrayBuffer));
// Access data connections
const connections = workbook.dataConnections;
if (connections.count > 0) {
const connection = connections.get(0);
if (connection instanceof AsposeCells.WebQueryConnection) {
const webQuery = connection;
console.log("Web Query URL: " + webQuery.url);
resultDiv.innerHTML = '<p>Web Query URL: ' + webQuery.url + '</p>';
} else {
resultDiv.innerHTML = '<p>No WebQueryConnection found in the first connection.</p>';
}
} else {
resultDiv.innerHTML = '<p>No data connections found.</p>';
}
});
</script>
</html>
Console Output
Web Query URL: https://docs.aspose.com/cells/javascript-cpp/