To get all Columns of Table in ax 2012 by job x++ code you can try below code . If you table have large number of columns and do not have much time then you can use this job to get all columns to use in your code.
This job can be very useful for your development.
This job can be very useful for your development.
DictTable dictTable = new sysDictTable(tableNum(testTable));
fieldId fieldId=dictTable.fieldNext(0);
dictField dictField;
while(fieldId)
{
dictField=dictTable.fieldObject(fieldId);
info(strFmt('testTable.%1 = %2;',
dictField.name(),
any2str("")));
fieldId= dictTable.fieldNext(fieldId);
}