Use worksheet name instead of first sheet using epplus in C#

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C#

I'm trying to create a function that will read the data from specific excel sheets that will then be uploaded into their respective tables in a database. I'm using EPPlus in C# for this.

The current working code is something like this:

public static DataTable GetDataTableFromExcel(string path,bool hasHeader = true)
        {
            using (var pck = new OfficeOpenXml.ExcelPackage())
            {
                using (var stream = File.OpenRead(path))
                {
                    pck.Load(stream);
                }
                var ws = pck.Workbook.Worksheets.First();
                DataTable tbl = new DataTable();
                foreach (var firstRowCell in ws.Cells[1, 1, 1, 
                ws.Dimension.End.Column])
                {
                 tbl.Columns.Add(hasHeader ? firstRowCell.Text : 
                 string.Format("Column {0}", firstRowCell.Start.Column));
                }
                var startRow = hasHeader ? 2 : 1;
                for (int rowNum = startRow; rowNum <= ws.Dimension.End.Row; rowNum++)
                {
                    var wsRow = ws.Cells[rowNum, 1, rowNum, ws.Dimension.End.Column];
                    DataRow row = tbl.Rows.Add();
                    foreach (var cell in wsRow)
                    {
                        row[cell.Start.Column - 1] = cell.Text;
                    }
                }
                return tbl;
            }

I tried passing off the filename as a string into the function but I got an error saying it expected an identifier. Can anyone give me ideas on how to fix this?

What I have tried:

public static DataTable GetDataTableFromExcel(string path, string fileN, bool hasHeader = true)
        {
            using (var pck = new OfficeOpenXml.ExcelPackage())
            {
                using (var stream = File.OpenRead(path))
                {
                    pck.Load(stream);
                }
                //var ws = pck.Workbook.Worksheets.First();

                var ws = pck.Workbook.Worksheets.(fileN);
                DataTable tbl = new DataTable();