How can I get a value to expand over multiple rows in Excel using C#?

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I need to place a text value spanning four rows. I thought/hoped this would work:

C#

    private int curDescriptionTopRow = 8;
. . .
private void AddDescription(String desc)
    {
        int curDescriptionBottomRow = curDescriptionTopRow + 3;

        _xlSheet.Range[_xlSheet.Cells[curDescriptionTopRow, 1], _xlSheet.Cells[curDescriptionBottomRow, 1]].Font.Bold = true;
        _xlSheet.Range[_xlSheet.Cells[curDescriptionTopRow, 1], _xlSheet.Cells[curDescriptionBottomRow, 1]].VerticalAlignment = Microsoft.Office.Interop.Excel.XlVAlign.xlVAlignCenter;
        _xlSheet.Range[_xlSheet.Cells[curDescriptionTopRow, 1], _xlSheet.Cells[curDescriptionBottomRow, 1]].Value2 = desc;

        curDescriptionTopRow = curDescriptionTopRow + 4;
    }

I need the first description to display, vertically centered, in cells A8 - A11 (column A, rows 8-11).

The code above adds the description in all four rows, rather than just one time in the four rows.

How can I prevent the three redundant appearances of the description?

Posted 4-Nov-15 8:06am

B. Clay Shannon

Updated 4-Nov-15 8:33am

v2

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Comments

Richard Deeming 4-Nov-15 14:46pm

Are you looking for the Merge method[^]?

B. Clay Shannon 4-Nov-15 14:48pm

I don't know; I'll czech it out - thanks for the link!

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B. Clay Shannon · Answer 1 · 2015-11-04T09:04:00

Thanks to Richard deeming my question worthy of a hint, I was able to find out that defining and then merging the range works:

C#

private int curDescriptionTopRow = 8;
. . .
private void AddDescription(String desc)
{
    int curDescriptionBottomRow = curDescriptionTopRow + 3;

    var range =
        _xlSheet.Range[_xlSheet.Cells[curDescriptionTopRow, 1], _xlSheet.Cells[curDescriptionBottomRow, 1]];
    range.Merge();

    range.Font.Bold = true;
    range.VerticalAlignment = Microsoft.Office.Interop.Excel.XlVAlign.xlVAlignCenter;
    range.Value2 = desc;
}