What is autoSizeColumn?

autoSizeColumn(int column) Adjusts the column width to fit the contents. void. autoSizeColumn(int column, boolean useMergedCells) Adjusts the column width to fit the contents.

How do you autosize cells in Excel in Java?

If you are creating Excel files in Java using Apache POI API, it is very simple to auto size the columns. After you are done adding data to the sheet, you just need to call a method to auto fit the column width. Here is the code to auto size the first 10 columns of the spread sheet.

How do I use XSSFWorkbook?

Popular methods of XSSFWorkbook

  1. createSheet. Create a new sheet for this Workbook and return the high level representation. Use this to create ne.
  2. Get the number of worksheets in the this workbook.
  3. getSheetName. Get the sheet name.
  4. getSheetIndex. Returns the index of the given sheet.

What is Getphysicalnumberofrows?

Getphysicalnumberofrows () Gets the number of physical rows, that is, the case where the empty rows (interlaced) are not included. For example, a cell only has a non-“normal” format, and it is also considered by the POI as the actual row.

What does XSSF stand for?

XML Spreadsheet Format
XSSF. It’s Stand for “XML Spreadsheet Format”. It is used for xlsx file format of MS-Excel. HPSF. It’s Stand for “Horrible Property Set Format”.

Which is better XSSF or HSSF?

HSSF is the POI Project’s pure Java implementation of the Excel ’97(-2007) file format. XSSF is the POI Project’s pure Java implementation of the Excel 2007 OOXML (. xlsx) file format.

How do I change the background color of a cell in Excel using poi?

Apache POI Excel Cell Color Example

  1. package poiexample;
  2. import java.io.FileNotFoundException;
  3. import java.io.FileOutputStream;
  4. import java.io.IOException;
  5. import java.io.OutputStream;
  6. import org.apache.poi.ss.usermodel.Cell;
  7. import org.apache.poi.ss.usermodel.CellStyle;

How do I change the width and height of a cell in Excel using poi?

  1. IWorksheet worksheet = workbook. getWorksheets(). ge. t(0); //set row height for row 1:2.
  2. worksheet. getRange(“1:2”). setRowHeight( 50); //set column width for column C:D.
  3. worksheet.getRange(“C:D”).setColumnWidth( //save to an excel file.

What does Apache POI stand for?

Poor Obfuscation Implementation
The name was originally an acronym for “Poor Obfuscation Implementation”, referring humorously to the fact that the file formats seemed to be deliberately obfuscated, but poorly, since they were successfully reverse-engineered.

How to expand column width with autosizecolumn ( 0 )?

Use sheet.isColumnTrackedForAutoSizing (0); for first and subsequently used for other column, i have faced exception whenever code executed autoSizeColumn (0) get executed. by using above code i have resolved the issue and it’s good to expand the column width too based on the text.

Is it possible to call autosizecolumns on sxssfworkbook-Stack Overflow?

For performance issues we wanted to change the workbook to the streaming version, but this resulted in a NullPointer at org.apache.poi.ss.util.SheetUtil.getCellWidth. Is it possible to call autoSizeColumns for a SXSSFWorkbook? Im using poi-ooxml 3.9, but I have the same issue in 3.8. You need to make sure every cell has a value.

How to set column width as Max in xssf?

I want to set width of the column as max width of each heading blocks. I tried mySheet.autoSizeColumn (colnum) and mySheet.setColumnWidth (columnIndex, width). Problem with AutosizeColumn, it is returning the highest width of the data in all the rows. So If width of some data in table is more, table header width is becoming very large.

How to set column width in xssf Apache POI?

I am trying to export a table as xlsx using Apache POI XSSF. Table has 5 columns. First row has title block merging 5 columns. In the second row, 5 headings for the table. Remaining rows are data. I want to set width of the column as max width of each heading blocks.