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The SpreadJS evaluation version displays a watermark at the lower-right corner. For example:
Use the following steps to license the SpreadJS file:
Extract the downloaded SpreadJS.Release.xx.xx.x.zip
file.
Add a reference to the SpreadJS license you received while purchasing the product. Add the reference before the workbook is initialized.
For example:
<script src="./scripts/gc.spread.sheets.all.0.0.0.min.js"></script>
<script>
GC.Spread.Sheets.LicenseKey = "xxxx"; // Enter a valid license key.
</script>
Or
<script src="./scripts/gc.spread.sheets.all.0.0.0.min.js"></script>
<script src="./scripts/licensekey.js" type="application/javascript"></script>
<script>
window.onload = function () {
var spread = new GC.Spread.Sheets.Workbook(document.getElementById("ss"));
var activeSheet = spread.getActiveSheet();
}
</script>
licensekey.js file:
GC.Spread.Sheets.LicenseKey = "xxxx"; // Enter a valid license key.
Note: If you do not have a trial or production license, SpreadJS can only be used on the local machine (for example: http(s)://localhost or http(s)://127.0.0.1).
SpreadJS also supports various JavaScript Frameworks. Use SpreadJS in the application and add a valid SpreadJS license key before initializing the component, if available.
<script>
GC.Spread.Sheets.LicenseKey = "xxxx"; // Enter a valid license key.
</script>
SpreadJS Designer is a stand-alone desktop application and is available for 30 days as a trial without a license key.
Select the lock button and enter a valid license key to activate the SpreadJS Designer before the trial ends.
You can choose to purchase the SpreadJS license along with the add-on features. The following table describes the product behavior in both cases:
Usage Scenario | License Key (SpreadJS and add-ons) | License Key (SpreadJS) |
---|---|---|
No License Key is used | NA | All SpreadJS features are available and can be run on a local machine. |
Valid Evaluation License Key is used | All SpreadJS, Pivot Table, GanttSheet, ReportSheet, Data Charts, and Designer Ribbon Component features are available till the validity of the evaluation license key. | All SpreadJS features are available till the validity of the evaluation license key. |
Valid Production License Key is used | All SpreadJS, Pivot Table, GanttSheet, ReportSheet, Data Charts, and Designer Ribbon Component features are available without any limitations. | All SpreadJS features are available without any limitations. |
Note: If the Pivot Table, GanttSheet, ReportSheet, Data Charts, or Designer Ribbon Component script is added and used locally without a key, a watermark will be displayed. If you use the script in your application, it must have the SpreadJS production license key activated for that feature.
The MESCIUS licensing information, including the end-user license agreements, frequently asked licensing questions, and the licensing model is available online at https://developer.mescius.com/spreadjs/licensing and https://developer.mescius.com/legal/eula.
Upgrading to the latest version of the SpreadJS ensures that you have access to the latest features and enhancements. When you upgrade your SpreadJS from an older version to the latest version, you need to take the following actions:
Replace License Key: Get the new license key for the latest version of SpreadJS and update the LicenseKey
string in your application.
Update References: Ensure that all references in your system point to the new script files associated with the latest version.
Note: SpreadJS is backward compatible, so your previous configurations and data will continue to work seamlessly even after the upgrade.