Object missingObj = System.Reflection.Missing.Value;
            WordDoc.Range(ref missingObj, ref missingObj).Copy();

            for (int l = 0; l < 7; l++)
            {
                object missing = System.Reflection.Missing.Value;
                object what = Word.WdGoToItem.wdGoToLine;
                  object which = Word.WdGoToDirection.wdGoToLast;
                Word.Range endRange = WordDoc.GoTo(ref what, ref which, ref missing, ref missing);
                endRange.Paste();
            }

            Word.Table WDTRAB;
            Word.Row WROW;

           for (int i = 1; i <= WordDoc.Tables.Count; i++)
            {
                WDTRAB = WordDoc.Tables[i];
                WROW = WDTRAB.Rows[3];
                WROW.Cells[2].Range.Text = "Table"+i.ToString();
            }