Excel doesn't apply mso-number-format from HTML

问题

Here is my situation: I have simple Excel OOXML file with Web Query connection to my server. All cells with dates have "General" horizontal alignment (no alignment) and MM/DD/YYYY format. It looks like this:

On refresh server responses with pretty straightforward HTML:

<html xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:x="urn:schemas-microsoft-com:office:excel" xmlns="http://www.w3.org/TR/REC-html40">
   <head>
      <style id="Leads_style">
        table
        {
            mso-displayed-decimal-separator:"\.";
            mso-displayed-thousand-separator:"\,";
        } 
        .cs0 { mso-number-format:\@; }
        .cs1 { mso-number-format:mm\/dd\/yyyy; }
      </style>
   </head>
   <body>
      <table id="tbl_0_Leads" x:publishsource="Excel">
         <tr>
            <td>Title:</td>
            <td colspan="2" style="white-space:nowrap">Leads</td>
         </tr>
         <tr>
            <td>Date:</td>
            <td align="left" colspan="2">27 Aug 2014 08:02 AM +0:00 GMT</td>
         </tr>
         <tr>
            <td>&nbsp;</td>
            <td>&nbsp;</td>
            <td>&nbsp;</td>
         </tr>
      </table>
      <table id="tbl_3_Leads" x:publishsource="Excel">
         <tr>
            <td>Display Name</td>
            <td>Created Date</td>
            <td>Last Modified Date</td>
         </tr>
         <tr>
            <td class="cs0" x:str="Darrow Mag, Mrs.">Darrow Mag, Mrs.</td>
            <td class="cs1">04/23/2009</td>
            <td class="cs1">08/06/2014</td>
         </tr>
         <tr>
            <td class="cs0" x:str="q q, Prof.">q q, Prof.</td>
            <td class="cs1">06/04/2014</td>
            <td class="cs1">08/06/2014</td>
         </tr>
         <tr>
            <td class="cs0" x:str="dasd dsa, Dr.">dasd dsa, Dr.</td>
            <td class="cs1">06/16/2014</td>
            <td class="cs1">08/06/2014</td>
         </tr>
         <tr>
            <td class="cs0" x:str="Bouat Jerome, Dr.">Bouat Jerome, Dr.</td>
            <td class="cs1">08/12/2014</td>
            <td class="cs1">08/12/2014</td>
         </tr>
      </table>
   </body>
</html>

Notice that .cs1 class in style section has mso-number-format:mm\/dd\/yyyy, so all dates in Excel document should look like 08/27/2014.

For unknown reason, Excel applies wrong format (MM.DD.YYYY) to date cells:

Two cells that seem normal also have MM.DD.YYYY format, but Excel shows them as MM/DD/YYYY with left alignment because DD value is much more than maximum of MM value (yeah, that's really weird too).

Please help. What am I doing wrong?

回答1:

Ok, I've finally found the solution.

For unknown reason, Excel doesn't understand proper ISO 8601 format when retrieving refreshed data from HTML. All datetimes should be passed in yyyy-MM-dd / yyyy-MM-dd HH:mm:ss / HH:mm:ss formats with correct mso-number-format parameter defined in styles section (mso-number-format:"mm\\/dd\\/yyyy" in my case).

回答2:

I've had the same problem with numerical formats. Apparently excel does not recognize more than one class for formatting purpose, so if you specify <td class="cls1 cls2">123</td> and you have <style>.cls1 {mso-number-format:"\#\.00"}</style> – that won't work. You need to use <td class="cls1">123</td>, without cls2. That was a good enough solution for me, you might also want to try <td style='mso-number-format:"\#\.00"' class='cls2'>123</td>, not sure if that'll work.

回答3:

Just FYI, I have done this and it works great.

    'style to format numbers to string 
    Dim style As String = "<style>.textmode{mso-number-format:\@;}</style>"
    Response.Write(style)
    Response.Output.Write(sw.ToString())

you can probably try any number format this way as well.

来源：https://stackoverflow.com/questions/25526055/excel-doesnt-apply-mso-number-format-from-html

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html

excel

formatting

cell