or
<input id="searchOrder" type="text" name="searchOrder" />transport : { read : { type: 'post', dataType: 'json', url: dataUrl, }, data: { search: $('#searchOrder').val() transport : { read : { type: 'post', dataType: 'json', url: dataUrl, }, data: { search: $('#searchOrder').val() // not works search: 'test' // this works } }, } },...