How to change cell color based on column and row indexes in dataset ?

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Hello All,

I need to highlight a cell using a script task with SSIS. I can get the cell value which means that my script works :

OleDbDataAdapter objAdapterDataCell = new
       OleDbDataAdapter(strSQLDataCell, cn);
       DataSet dsDataCell = new DataSet();
       objAdapterDataCell.Fill(dsDataCell, Data_Sheet);
       System.Data.DataTable dtDataCell = dsDataCell.Tables[Data_Sheet];
       object CellToHigh = dsDataCell.Tables[Data_Sheet].Rows[RowIndex]
       [ColumnIndex];

What I have tried:

When adding this nothing happening :

<pre>  dsDataCell.Tables[Data_Sheet].Rows[RowIndex][ColumnIndex] = 
        Color.Red;
        excelBook.Save();
        excelBook.Close();
        MessageBox.Show(CellToHigh.ToString());
        xlApp.Quit();
        Marshal.ReleaseComObject(xlApp);
        Dts.TaskResult = (int)ScriptResults.Success;

Thank you for your Help.

Posted 30-Jan-19 6:30am

Member 12887760

Updated 5-Feb-19 22:21pm

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[no name] 31-Jan-19 14:06pm

The "Color.Red" is simply going to come out as a number (somewhere).

Excel is not "aware" of .NET "colors".

Member 12887760 1-Feb-19 9:54am

Thanks for your answer Gerry and how can I solve that please ?

Member 12887760 1-Feb-19 10:00am

I actually need to change th color of the cell based on its RowIndex and ColumnIndex

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Maciej Los · Accepted Answer · 2019-02-05T22:21:00

What you are trying to attempt in this line:

dsDataCell.Tables[Data_Sheet].Rows[RowIndex][ColumnIndex] = Color.Red;

is to change a value in a cell of "Data_Sheet" DataTable, which is impossible!
Note: Color.Red returns a system-defined color that has an ARGB value of #FFFF0000

You should rather change color of Excel cell. How?
How to: Programmatically apply color to Excel ranges - Visual Studio | Microsoft Docs[^]

Excel.Range rng2 = excelSheet.get_Range("A1");
rng2.Font.Color = System.Drawing.ColorTranslator.ToOle(System.Drawing.Color.Red);