C# DataTable转换为Html 用Html的方式预览DataTable的数据

原地址：忘了
/// <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();
}