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AutoFit Rows and Columns
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Microsoft Excel lets users auto‑size the width and height of cells according to their content. This feature is also available through Aspose.Cells so developers can auto‑size the dimensions of a cell at runtime.
Auto Fitting
Aspose.Cells provides a Workbook class that represents a Microsoft Excel file. The Workbook class contains a Worksheets collection that allows access to each worksheet in an Excel file. A worksheet is represented by the Worksheet class. The Worksheet class provides a wide range of properties and methods for managing a worksheet. This article looks at using the Worksheet class to auto‑fit rows or columns.
AutoFit Row – Simple
The most straightforward approach to auto‑sizing the height of a row is to call the Worksheet class AutoFitRow method. The AutoFitRow method takes a row index (the row to be resized) as a parameter.
How to AutoFit Row in a Range of Cells
A row is composed of many columns. Aspose.Cells allows developers to auto‑fit a row based on the content in a range of cells within the row by calling an overloaded version of the AutoFitRow method. It takes the following parameters:
- Row index – the index of the row about to be auto‑fitted.
- First column index – the index of the row’s first column.
- Last column index – the index of the row’s last column.
The AutoFitRow method checks the contents of all the columns in the row and then auto‑fits the row.
How to AutoFit Column in a Range of Cells
A column is composed of many rows. It is possible to auto‑fit a column based on the content in a range of cells in the column by calling an overloaded version of the AutoFitColumn method that takes the following parameters:
- Column index – the index of the column about to be auto‑fitted.
- First row index – the index of the column’s first row.
- Last row index – the index of the column’s last row.
The AutoFitColumn method checks the contents of all rows in the column and then auto‑fits the column.
How to AutoFit Rows for Merged Cells
With Aspose.Cells it is possible to auto‑fit rows even for cells that have been merged using the AutoFitterOptions API. The AutoFitterOptions class provides the AutoFitMergedCellsType property that can be used to auto‑fit rows for merged cells. AutoFitMergedCellsType accepts an AutoFitMergedCellsType enumeration which has the following members:
- None – ignore merged cells.
- FirstLine – expands the height of the first row only.
- LastLine – expands the height of the last row only.
- EachLine – expands the height of each row.
You may also use the overloaded versions of AutoFitRows and AutoFitColumns methods, which accept a range of rows/columns and an instance of AutoFitterOptions, to auto‑fit the selected rows/columns with your desired options.
The signatures of the aforesaid methods are as follows:
AutoFitRows(int startRow, int endRow, AutoFitterOptions options)AutoFitColumns(int firstColumn, int lastColumn, AutoFitterOptions options)
Important to Know
If a cell is merged, the AutoFit methods will not be applied, which is the same behavior as in Microsoft Excel. You can work around this by using the AutoFilter API. Moreover, if the text in a cell is wrapped, the AutoFitColumn method will not be applied either. Another thing you need to know is that the AutoFit methods are time‑consuming, so you should call these methods as seldom as possible to ensure the efficiency of your application.