c#操作word表格

c#操作word表格(2)     Object end = Type.Missing;
    Object unit = Type.Missing;
    Object count = Type.Missing;
    wordDoc.Range(ref start, ref end).Delete(ref unit, ref count);

    object rng = Type.Missing;
    string strInfo = this.txtNameCh.Text.ToString()+"明细表"+strSign+"\r\n";
    start = 0;
    end = 0;
    wordDoc.Range(ref start, ref end).InsertBefore(strInfo);
    wordDoc.Range(ref start, ref end).Font.Name = "Verdana";
    wordDoc.Range(ref start, ref end).Font.Size = 20;
    wordDoc.Range(ref start, ref end).ParagraphFormat.Alignment = Word.WdParagraphAlignment.wdAlignParagraphCenter;

    start = 8;
    end = strInfo.Length;
    wordDoc.Range(ref start, ref end).InsertParagraphAfter();//插入回车

    if(DT.Rows.Count>0)
    {
     //存在数据项
     //添加一个表格
     object missingValue = Type.Missing;
     object location = strInfo.Length; //注：若location超过已有字符的长度将会出错。一定要比"明细表"串多一个字符
     Word.Range rng2 = wordDoc.Range(ref location, ref location);

     wordDoc.Tables.Add(rng2, 13, 6, ref missingValue, ref missingValue);
     wordDoc.Tables.Item(1).Rows.HeightRule = Word.WdRowHeightRule.wdRowHeightAtLeast;
     wordDoc.Tables.Item(1).Rows.Height = wordApp.CentimetersToPoints(float.Parse("0.8"));
     wordDoc.Tables.Item(1).Range.Font.Size = 10;
     wordDoc.Tables.Item(1).Range.Font.Name = "宋体";
     wordDoc.Tables.Item(1).Range.ParagraphFormat.Alignment = Word.WdParagraphAlignment.wdAlignParagraphCenter;
     wordDoc.Tables.Item(1).Range.Cells.VerticalAlignment = Word.WdCellVerticalAlignment.wdCellAlignVerticalCenter;