Grouping rows in excel using C#

Question

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Hello guys,

Maybe it was discussed but i don't find something to fit my problem ... I have the following code

C#

Excel.Application xlApp = new Microsoft.Office.Interop.Excel.Application();

if (xlApp == null)
{
    Console.WriteLine("Excel is not properly installed!!");
    return;
}

Excel.Workbook xlWorkBook;
Excel.Worksheet xlWorkSheet;
object misValue = System.Reflection.Missing.Value;
Excel.Range xlRange;

xlWorkBook = xlApp.Workbooks.Add(misValue);
xlWorkSheet = (Excel.Worksheet)xlWorkBook.Worksheets.get_Item(1);
xlWorkSheet.Name = "Raport generated";
xlWorkSheet.Cells[1, 1] = "ceva";
xlWorkSheet.Cells[2, 1] = "ceva";
xlWorkSheet.Cells[3, 1] = "ceva";
xlWorkSheet.Cells[4, 1] = "ceva";
xlWorkSheet.Cells[5, 1] = "ceva";
xlWorkSheet.Cells[6, 1] = "ceva";
xlWorkSheet.Cells[7, 1] = "ceva";
xlWorkSheet.Cells[8, 1] = "ceva";



xlWorkBook.SaveAs("D:\\Excel.xls", Excel.XlFileFormat.xlWorkbookNormal, misValue, misValue, misValue, misValue, Excel.XlSaveAsAccessMode.xlExclusive, misValue, misValue, misValue, misValue, misValue);
xlWorkBook.Close(true, misValue, misValue);
xlApp.Quit();


Console.ReadKey();

And i want to group the rows from 2 -> 8(having the "+" sign in my excel and when i press it to expand), how can i do that ?

Thank you in advance.

What I have tried:

C#

xlWorkSheet.get_Range(xlWorkSheet.Cells[2, 1], xlWorkSheet.Cells[8, 1]).Group();

Posted 1-Nov-16 6:28am

serbanov

Updated 2-Nov-16 4:12am

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2 solutions

Solution 1

C#

Excel.Range xlRange = xlWorkSheet.get_Range(xlWorkSheet.Cells[2, 1], xlWorkSheet.Cells[8, 1]);
            xlRange.rows.Group(misValue, misValue, misValue, misValue);
            xlRange.rows.OutlineLevel = 1;

try this. This i had already used in my program

Posted 1-Nov-16 20:42pm

MJ2014

Comments

serbanov 2-Nov-16 2:58am

Something like this i have tried too, now i'm generating an excel file to test it, thank you !

The problem is i can't use "A1" to "A10" because i can expand even to "AA" or "ZZZ" to understand what kind of excel i'm generating. I iterate over 200 files and use their content. It's a tool i use to iterate through .C and .h files for a company. I will mark as solve solution your post, thank you.

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serbanov · Accepted Answer · 2016-11-02T04:10:00

Solution 2

C#

string _tempPath = _tempRowNb.ToString() + _row.ToString();

Excel.Range myRange = xlWorkSheet.Rows[_tempPath, misValue] as Excel.Range;
myRange.OutlineLevel = 1;
myRange.Group(misValue, misValue, misValue, misValue);

This is my solution. Hope someone will use it.

Posted 2-Nov-16 4:10am

serbanov