iTextSharp.text.pdf.PdfPTable.CompleteRow C# (CSharp) Метод

        public void CompleteRow()
        {
            while (!rowCompleted)
            {
                AddCell(defaultCell);
            }
        }

 public void GenerarDocumento(Document document)
 {
     int i, j;
     PdfPTable datatable = new PdfPTable(dataGridView1.ColumnCount);
     datatable.DefaultCell.Padding = 3;
     float[] headerwidths = GetTamañoColumnas(dataGridView1);
     datatable.SetWidths(headerwidths);
     datatable.WidthPercentage = 100;
     datatable.DefaultCell.BorderWidth = 2;
     datatable.DefaultCell.HorizontalAlignment = Element.ALIGN_CENTER;
     for (i = 0; i < dataGridView1.ColumnCount; i++)
     {
         datatable.AddCell(dataGridView1.Columns[i].HeaderText);
     }
     datatable.HeaderRows = 1;
     datatable.DefaultCell.BorderWidth = 1;
     for (i = 0; i < dataGridView1.Rows.Count; i++)
     {
         for (j = 0; j < dataGridView1.Columns.Count; j++)
         {
             if (dataGridView1[j, i].Value != null)
             {
                 datatable.AddCell(new Phrase(dataGridView1[j, i].Value.ToString()));//En esta parte, se esta agregando un renglon por cada registro en el datagrid
             }
         }
         datatable.CompleteRow();
     }
     document.Add(datatable);
 }