ExcelWorkbook Properties

Gets or sets the active sheet index. The index is zero based. The property can be set with a non-negative value. Returns a negative value when no sheet is active in the workbook.

Gets the collection of chart worksheets of this workbook.

Gets default column width in characters for the newly created worksheets.

Gets or sets default font name for the newly created worksheets.

Gets or sets default font size in points for the newly created worksheets.

Gets the default row height in points for the newly created worksheets.

Gets the object encpsulating the document properties like author, title, subject, etc.

Gets an object used to manage the document security like workbook structure and windows protection, workbook open/write password protection. Works only for Excel 2003 .xls format.

Gets or sets the Excel workbook format (Excel 97-2003 .xls or Excel 2007-2019 or above .xlsx). This property gives the output format when the workbook is saved and controls the features allowed when the workbook is updated by the library. When creating an empty workbook the format is Excel 97-2003. When the workbook is created from an existing excel file or stream, the format is the format of the opened excel document.

Gets or sets the number format in formula used when parsing formulas. Set this property before assigning a formula expression to a cell. The default value is the number format for the current culture.

Gets or sets the separator between formula parameters used when parsing formulas. Set this property before assigning a formula expression to a cell. The default value is ','.

Gets or sets the rows separator used when parsing arrays in formulas. Set this property before assigning a formula expression to a cell. The default value is ';'

Gets or sets the license key for the library. When this property is set to null value the library works in demo mode.

Gets the named ranges collection of this workbook (Workbook scope named ranges).

Gets the colors palette of the workbook.

Gets a value that indicates whether the workbook has been opened as read-only

Gets the cell styles collection of this workbook.

Gets an object used to convert values between various Excel measurement units (points, pixels, width characters)

Gets the worksheets collection of this workbook.