How to get a column id in datatable plugin for jquery I need column id for the update in database.
fnGetPosition
Get the array indexes of a particular cell from it's DOM element. Best used in combination with fnGetData().
Input parameters:
nNode : the node you want to find the position of. This my be either a 'TR' row or a 'TD' cell from the table. The return parameter depends on this input.
Return parameter:
int or array [ int, int, int ] : if the node is a table row (TR) then the return value will be an integer with the index of the row in the aoData object. If the node is a table cell (TD) then the return value will be an array with [ aoData index row, column index (discounting hidden rows),column index (including hidden rows) ].
Code example:
$(document).ready(function() {
$('#example tbody td').click( function () {
/* Get the position of the current data from the node */
var aPos = oTable.fnGetPosition( this );
/* Get the data array for this row */
var aData = oTable.fnGetData( aPos[0] );
/* Update the data array and return the value */
aData[ aPos[1] ] = 'clicked';
this.innerHTML = 'clicked';
} );
/* Init DataTables */
oTable = $('#example').dataTable();
} );
From datatables.net
The code snippet above actually helped me solve this issue for my particular situation. Here's my code:
// My DataTable
var oTable;
$(document).ready(function() {
/* You might need to set the sSwfPath! Something like:
* TableToolsInit.sSwfPath = "/media/swf/ZeroClipboard.swf";
*/
TableToolsInit.sSwfPath = "../../Application/JqueryPlugIns/TableTools/swf/ZeroClipboard.swf";
oTable = $('#tblFeatures').dataTable({
// "sDom": '<"H"lfr>t<"F"ip>', // this is the standard setting for use with jQueryUi, no TableTool
// "sDom": '<"H"lfrT>t<"F"ip>', // this adds TableTool in the center of the header
"sDom": '<"H"lfr>t<"F"ip>T', // this adds TableTool after the footer
// "sDom": '<"H"lfrT>t<"F"ip>T', // this adds TableTool in the center of the header and after the footer
"oLanguage": { "sSearch": "Filter this data:" },
"iDisplayLength": 25,
"bJQueryUI": true,
// "sPaginationType": "full_numbers",
"aaSorting": [[0, "asc"]],
"bProcessing": true,
"bStateSave": true, // remembers table state via cookies
"aoColumns": [
/* CustomerId */{"bVisible": false },
/* OrderId */{"bVisible": false },
/* OrderDetailId */{"bVisible": false },
/* StateId */{"bVisible": false },
/* Product */null,
/* Description */null,
/* Rating */null,
/* Price */null
]
});
// uncomment this if you want a fixed header
// don't forget to reference the "FixedHeader.js" file.
// new FixedHeader(oTable);
});
// Add a click handler to the rows - this could be used as a callback
// Most of this section of code is from the DataTables.net site
$('#tblFeatures tr').click(function() {
if ($(this).hasClass('row_selected')) {
$(this).removeClass('row_selected');
}
else {
$(this).addClass('row_selected');
// Call fnGetSelected function to get a list of selected rows
// and pass that array into fnGetIdsOfSelectedRows function.
fnGetIdsOfSelectedRows(fnGetSelected(oTable));
}
});
function fnGetSelected(oTableLocal) {
var aReturn = new Array();
// fnGetNodes is a built in DataTable function
// aTrs == array of table rows
var aTrs = oTableLocal.fnGetNodes();
// put all rows that have a class of 'row_selected' into
// the returned array
for (var i = 0; i < aTrs.length; i++) {
if ($(aTrs[i]).hasClass('row_selected')) {
aReturn.push(aTrs[i]);
}
}
return aReturn;
}
// This code is purposefully verbose.
// This is the section of code that will get the values of
// hidden columns in a datatable
function fnGetIdsOfSelectedRows(oSelectedRows) {
var aRowIndexes = new Array();
var aRowData = new Array();
var aReturn = new Array();
var AllValues;
aRowIndexes = oSelectedRows;
// The first 4 columns in my DataTable are id's and are hidden.
// Column0 = CustomerId
// Column1 = OrderId
// Column2 = OrderDetailId
// Column3 = StateId
// Here I loop through the selected rows and create a
// comma delimited array of id's that I will be sending
// back to the server for processing.
for(var i = 0; i < aRowIndexes.length; i++){
// fnGetData is a built in function of the DataTable
// I'm grabbing the data from rowindex "i"
aRowData = oTable.fnGetData(aRowIndexes[i]);
// I'm just concatenating the values and storing them
// in an array for each selected row.
AllValues = aRowData[0] + ',' + aRowData[1] + ',' + aRowData[2] + ',' + aRowData[3];
alert(AllValues);
aReturn.push(AllValues);
}
return aReturn;
}