Develop Reference

Copy cell formula automatically while adding new row in excel table using apache POI

I have a simple table in excel which has a column serial no with formula =ROW()-ROW(Member_Data[[#Headers],[S. No.]]). Whenever I add new row to the table serial no is calculated automatically.when i added new row using Apache POI it didn't copied formula to the next row also style should be copied.
I have set AreaReference source = new AreaReference("A1:C8", SpreadsheetVersion.EXCEL2007);, which specifies my table range till 8th row.But its not working in any row between 1 to 8.
Currently I am copying 1st row formulas to new row using setcellformula as workaround which is working. I need alternate solution which is not dependent on 1st row. My task is only for read operation.

How to perform Clear Cell Contents in an Excel Sheet by its "UsedRange" using apache-poi & java

I'm trying to clear existing cell contents of excel sheet (.xlsx). not to delete the whole sheet.
using apache-poi usedrange

Applying Excel sheet drop down list validations using Java (Apache poi API)?

I've done coding for Excel sheet drop down list for a specific column but I want to apply validation.
For example - once the any value of drop down was selected in first row it'll not display in the second row.
How can I achieve this?

How to get cell number in excel by providing cell content using java POI 3.8?

I need to get the cell index of particular string in excel using java code.
e.g if the cell(23,1) contains the string 'Student_address', the method have to get the return as 'cell index'
System.out.println(sheet.getRow(1).getCell(23) will print the value of student_id in corresponding row-1.
Here sheet is the excel worksheet.
I just want to get the 23 dynamically by giving cellContent as 'Student_id'.I need the colomn number in excel exactly.
Please help me out to get cell index by considering java poi 3.8 version.
Thanks in advance.

Insert a Row in Excel Using Java Apache POI

I am developing a desktop application related to Excel sheets. I have some problems inserting rows between two rows. Is there any possibility to do this in Java using Apache POI?
Workbook wb3=WorkbookFactory.create(new FileInputStream("Book1.xls"));
Sheet sh=wb3.getSheet("sheet1");
//Reading the available rows using (sh.getRow(1))
//Here i need to insert second row (????)
//I have third row here which already exists (sh.getRow(3))

I have a solution which is working very well:
Workbook wb3=WorkbookFactory.create(new FileInputStream("Book1.xls"));
Sheet sh=wb3.getSheet("sheet1");
int rows=sh.getLastRowNum();
Shift the number of rows down the sheet.
sh.shiftRows(2,rows,1);
Here
2 -- Position at which we need to insert row
rows -- Total rows
1 -- How many rows we are going to insert
The reason why we are doing the above process is to make an empty row; only then can we create a new row.
Now we shifted the rows, then we can do our stuff
Coding :
sh.createRow(1);
The above code is used to insert a row at the 1st position, as we defined.