Read table row and perform total in Word document using Open Xml

Read Table row and perform total of row cells and append table cell at end for total

                                    #region HORIZONTAL TOTAL

                                    // append last Column to total

                                    GridColumn gc1 = new GridColumn();

                                    tg.AppendChild(gc1);

                                    Hashtable hashTable1 = new Hashtable();

                                    IEnumerable<TableRow> trs1 = t.Descendants<TableRow>();

                                    int iRowsCount1 = 0;

                                    // storing values in hashtable

                                    while (iRowsCount1 < trs1.Count())

                                    {

                                        hashTable1.Add(iRowsCount1, 0);

                                        IEnumerable<TableCell> tcc = t.Descendants<TableRow>().ElementAt(iRowsCount1).Descendants<TableCell>();

                                        TableCell tcClone = (TableCell)t.Descendants<TableRow>().ElementAt(iRowsCount1).Descendants<TableCell>().Last().CloneNode(true);

                                        foreach (TableCell tc in tcc)

                                        {

                                            int value;

                                            if (int.TryParse(tc.InnerText, out value))

                                            {

                                                hashTable1[iRowsCount1] = hashTable1[iRowsCount1] + "+" + tc.InnerText;

                                            }

                                        }

                                        // values are stored in hashtable

                                        if (tcClone.InnerText != "")

                                        {

                                            // Gel all text elements of TableCell

                                            IEnumerable<Text> texts = tcClone.Descendants<Text>();

                                            ////Clear all text elements' inner text

                                            foreach (Text text in texts)

                                            {

                                                text.Text = "";

                                            }

                                            // Find the first paragraph in the table cell.

                                            Paragraph p = tcClone.Elements<Paragraph>().First();

                                            // Find the first run in the paragraph.

                                            Run r = p.Elements<Run>().First();

                                            // Set the text for the run.

                                            Text t1 = r.Elements<Text>().First();

                                            if (hashTable1[iRowsCount1].ToString() == "0")

                                            {

                                                t1.Text = "";

                                            }

                                            else

                                            {

                                                RunProperties rp = new RunProperties();

                                                Bold bold = new Bold();

                                                rp.Append(bold);

                                                r.Append(rp);

                                                t1.Text = "Formula(" + hashTable1[iRowsCount1].ToString() + ")";

                                            }

                                            t.Descendants<TableRow>().ElementAt(iRowsCount1).AppendChild(tcClone);

                                        }

                                        iRowsCount1++;

                                    }

                                    #endregion

                                }

                            }

                        }