How to convert a CSV or Excel file into PowerPoint presentation

//Create excel engine to open excel application
ExcelEngine excelEngine = new ExcelEngine();
//open the excel application.
IApplication application = excelEngine.Excel;
//Open existing workbook.
IWorkbook workBook = application.Workbooks.Open("fileName", ExcelOpenType.Automatic);
//Get the active sheet from workbook.
IWorksheet sheet = workBook.ActiveSheet;
//Export the values to a DataTable
DataTable dataTable = sheet.ExportDataTable(sheet.UsedRange, ExcelExportDataTableOptions.None);

//Set the number of rows a slide will hold.
int RowsPerSlide = 19;
//Split the DataTable according to the table limitation in adding number of rows and columns in presentation.
List<DataTable> dataTables = SplitDataTable(dataTable, RowsPerSlide);

/// <summary>
/// Splits the data table according to the specified size
/// </summary>
/// <param name="tableToSplit">The DataTable to split</param>
/// <param name="countLimit">The specified size to split the table</param>
/// <returns>Returns the split tables list</returns>
private static List<DataTable> SplitDataTable(DataTable tableToSplit, int countLimit)
{
List<DataTable> tables = new List<DataTable>();
int count = 0;
DataTable copyTable = null;
foreach (DataRow dr in tableToSplit.Rows)
{
if ((count++ % countLimit) == 0)
{
copyTable = new DataTable();
// Clone the structure of the table.
copyTable = tableToSplit.Clone();
// Add the new DataTable to the list.
tables.Add(copyTable);
}
// Import the current row.
copyTable.ImportRow(dr);
}
return tables;
}

// Create presentation by using Essential Presentation.
IPresentation presentation = Presentation.Create();
//Export the CSV to Presentation
foreach (DataTable splittedDataTable in dataTables)
{
ExportToPresentation(presentation, splittedDataTable);
}
//Save the presentation
presentation.Save("Presentation.pptx");
//Open the presentation
Process.Start("Presentation.pptx");

/// <summary>
/// Export the CSV data to the PowerPoint presentation by exporting the data in CSV file to the table in PowerPoint presentation
/// </summary>
/// <param name="presentation">The PowerPoint presentation to import the data</param>
/// <param name="dataTable">The table which holds the CSV data</param>
private static void ExportToPresentation(IPresentation presentation, DataTable dataTable)
{
//Add slide to the presentation document.
ISlide slide = presentation.Slides.Add(SlideLayoutType.Blank);
//Add table to the slide. The height of the table will grow according to the content height by default
ITable table = slide.Tables.AddTable(dataTable.Rows.Count, dataTable.Columns.Count, 0, 0, slide.SlideSize.Width, 10);
//Disable the header row property
table.HasHeaderRow = false;
int rowIndex = 0;
int colIndex = 0;
//Add data to the table in presentation from the DataTable
foreach (DataRow row in dataTable.Rows)
{
foreach (object val in row.ItemArray)
{
ICell cell = table[rowIndex, colIndex];
cell.TextBody.AddParagraph(val.ToString());
colIndex++;
}
colIndex = 0;
rowIndex++;
}
}