Concatenat data tables coums

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C#

i try to create table through jquery now i successfully display table and data
```
if (re.length > 0) {
    $("#services_schdulue").append
    $('#services_schdulue thead').append(
        "<tr><th>frequency</th><th>FDuration</th><th>FMil</th><th>Lperformed</th><th>Nddatetime</th><th>Ndmil</th><th>Rfrequ</th><th>Rduration</th><th>RMileage</th></tr>"
    );

    for (var i = 0; i < re.length; i++) {
        if (re[i] !== null) {
            $('#services_schdulue tbody').append(
                '<tr><td>' + re[i][0] +
                '</td><td>' + re[i][1] +
                '</td><td>' + re[i][2] +
                '</td><td>' + re[i][3] +
                '</td><td>' + re[i][4] +
                '</td><td>' + re[i][5] +
                '</td><td>' + re[i][6] +
                '</td><td>' + re[i][7] +
                '</td><td>' + re[i][8] +
                '</td></tr>');
        }
    }
}

var myTable = $('#services_schdulue').DataTable();
```
now i want to concatenation columns
want to concatenate these columns
1) frequency,FDuration,FMil and give one name in header "frequency"
2) Nddatetime,Ndmil and give one name in header "next service"
3) Rfrequ,Rduration,RMil and give one name in header "remaning"
how i do that ?

What I have tried:

Suupose i have data like this

IMAGE 1

http://i.imgur.com/MPdx38g.png

so i want data like this

IMAGE 2[^]

Posted 14-Oct-16 20:41pm

super_user

Updated 14-Oct-16 23:48pm

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Maciej Los · Answer 1 · 2016-10-14T23:48:00

Seems you don't know what <th> and <td> html tags do...

As documentation[^] says a <td> tag defines a standard cell in an HTML table. A <th> is header cell.

So... if you want to merge 2 columns (cells) into single one, you have to remove <th> and <td> tags from your code. For example:

PHP

//3 headers
$('#services_schdulue thead').append(
    "<th>one</th><th>two</th><th>three</th>"
);

//2 headers (second and third cell has been merged)
$('#services_schdulue thead').append(
    "<th>one</th><th>two and three</th>"
);

PHP

//three cells
for (var i = 0; i < re.length; i++) {
    if (re[i] !== null) {
        $('#services_schdulue tbody').append(
            '' + re[i][0] +
            '' + re[i][1] +
            '' + re[i][2] +
            '');
    }

//two cells (second and third has been merged)
for (var i = 0; i < re.length; i++) {
    if (re[i] !== null) {
        $('#services_schdulue tbody').append(
            '' + re[i][0] +
            '' + re[i][1] + ' ' + re[i][2] +
            '');
    }