C#DataTable转换为Html

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        /// <summary>
        /// DataTable 转换为 Html
        /// </summary>
        /// <param name="dt"></param>
        /// <returns></returns>
        public string GetHtmlString(DataTable dt)
        {
            StringBuilder sb = new StringBuilder();
            sb.Append("<html><head>");
            sb.Append("<title>Excel转换为Table</title>");
            sb.Append("<meta http-equiv='content-type' content='text/html; charset=GB2312'> ");
            sb.Append("<style type=text/css>");
            sb.Append("td{font-size: 9pt;border:solid 1 #000000;}");
            sb.Append("table{padding:3 0 3 0;border:solid 1 #000000;margin:0 0 0 0;BORDER-COLLAPSE: collapse;}");
            sb.Append("</style>");
            sb.Append("</head>");
            sb.Append("<body>");
            sb.Append("<table cellSpacing='0' cellPadding='0' width ='100%' border='1'>");
            sb.Append("<tr valign='middle'>");
            sb.Append("<td><b></b></td>");
            foreach (DataColumn column in dt.Columns)
            {
                sb.Append("<td><b><span>" + column.ColumnName + "</span></b></td>");
            }
            sb.Append("</tr>");
            int iColsCount = dt.Columns.Count;
            int rowsCount = dt.Rows.Count - 1;
            for (int j = 0; j <= rowsCount; j++)
            {
                sb.Append("<tr>");
                sb.Append("<td>" + ((int)(j + 1)).ToString() + "</td>");
                for (int k = 0; k <= iColsCount - 1; k++)
                {
                    sb.Append("<td>");
                    object obj = dt.Rows[j][k];
                    if (obj == DBNull.Value)
                    {
                        obj = "&nbsp;";//如果是NULL则在HTML里面使用一个空格替换之
                    }
                    if (obj.ToString() == "")
                    {
                        obj = "&nbsp;";
                    }
                    string strCellContent = obj.ToString().Trim();
                    sb.Append("<span>" + strCellContent + "</span>");
                    sb.Append("</td>");
                }
                sb.Append("</tr>");
            }
            sb.Append("</table>");

            //点击单元格 输出 行和列
            sb.Append("<script src='https://cdn.bootcss.com/jquery/1.12.4/jquery.min.js'></script>");
            sb.Append("<script type='text/javascript'>");
            sb.Append("$('table tbody').on('click', 'td', function (e) {");
            sb.Append("var row = $(this).parent().prevAll().length-1 ;");
            sb.Append("var column = $(this).prevAll().length-1 ;");
            sb.Append("var str = 'dt.Rows[' + row + '][' + column + '].ToString()';");
            sb.Append("console.log(str);alert(str);");
            sb.Append("});");
            sb.Append("</script>");

            sb.Append("</body></html>");
            return sb.ToString();
        }