# Gc-spread-sheets Element

## Content

The following table lists the attributes of the gc-spread-sheets element.

| **Attribute** | **API Reference** | **Type** |
| --------- | ------------- | ---- |
| allowUserResize | `Workbook.options.allowUserResize = value` | `boolean` |
| allowUserZoom | `Workbook.options.allowUserZoom = value` | `boolean` |
| autoFitType | `Workbook.options.autofittype = value` | `GC.Spread.Sheets.AutoFitType` |
| backColor | `Workbook.options.backColor = value` | `string` |
| backgroundImage | `Workbook.options.backgroundImage = value` | `string` |
| backgroundImageLayout | `Workbook.options.backgroundImageLayout = value` | `GC.Spread.Sheets.ImageLayout` |
| allowUserDragFill | `Workbook.options.allowuserdragfill = value` | `boolean` |
| allowUserDragDrop | `Workbook.options.allowUserDragDrop = value` | `boolean` |
| allowUserEditFormula | `Workbook.options.allowUserEditFormula = value` | `boolean` |
| DataValidationResult | `The eventArgs.validationResult of the ValidationError event` | `GC.Spread.Sheets.DataValidation.DataValidationResult` |
| grayAreaBackColor | `Workbook.options.grayAreaBackColor = value` | `string` |
| highlightInvalidData | `Workbook.options.highlightInvalidData = value` | `boolean` |
| name | `Workbook.name` | `string` |
| newTabVisible | `Workbook.options.newTabVisible = value` | `boolean` |
| referenceStyle | `Workbook.options.referenceStyle = value` | `GC.Spread.Sheets.ReferenceStyle` |
| showDragDropTip | `Workbook.options.showDragDropTip = value` | `boolean` |
| showDragFillTip | `Workbook.options.showDragFillTip = value` | `boolean` |
| showHorizontalScrollbar | `Workbook.options.showHorizontalScrollbar = value` | `boolean` |
| ShowResizeTip | `Workbook.options.showResizeTip = value` | `GC.Spread.Sheets.ShowResizeTip` |
| ShowScrollTip | `Workbook.options.showScrollTip = value` | `GC.Spread.Sheets.ShowScrollTip` |
| showVerticalScrollbar | `Workbook.options.showVerticalScrollbar = value` | `boolean` |
| tabEditable | `Workbook.options.tabEditable = value` | `boolean` |
| tabStripVisible | `Workbook.options.tabstripvisible = value` | `boolean` |

The following table lists the child elements.

| **Child Element** | **API Reference** | **Count** | **Type** |
| ------------- | ------------- | ----- | ---- |
| worksheets | `Workbook.sheets` | 1 | `Array<Worksheet>` |