Exporting to PDF in C# - how to use Decimal value in arranging items

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C#

Hi,

I am working on a a project in C#, wherein I have to export the database values to a PDF file.

I have to arrange the data grid values on the PDF, so i set my PRESENTd.Colspan = 2 which is a whole number.
I have commonly observed that if I have to type 1.5, then it does not consider decimal values, n considers a whole number.

How can I assign decimal value??

kindly help!

My Code -

PdfPCell PRESENTd = new PdfPCell(new Paragraph(dataGridView1.Rows[i1].Cells["PresentReading"].Value.ToString(), new iTextSharp.text.Font(iTextSharp.text.Font.FontFamily.TIMES_ROMAN, 12)));
PRESENTd.Colspan = 2;
PRESENTd.MinimumHeight = 20f;
table.AddCell(PRESENTd);