HTML Widgets; Grid; Exporting enhancements

HTML Widget Grids have an ExportData method and can also be right-clicked to export their data.

The following changes and enhancements have been made:

• The column caption will be used rather than the column's key
• A new exportColumnHeader option can be supplied when adding the column. This can be used to override the column's caption
• A new alwaysExport option can be supplied when adding the column. This ensures the column is always exported, even when not visible, e.g., if the column is being used for grouping purposes

When setting a row's values, the "valueExport" property can now be used to override the "value" property when exporting the data.