Datatables defaultcontent. render - When null is used for the data option and the render option is specified for the column, the whole data source for the row is used for the renderer. defaultContent - When null is given as the data option and defaultContent is specified for the column, the value defined by defaultContent will be used for the cell. orderData This examples shows the use of columns. A simple click event listener is used to watch for clicks on a button in the row, and when activated uses the row (). Can the database accept empty string? And is the database default 0? Also, what are you hoping to insert into the field? null? If so, then maybe null (or function () { return null; } )) for the default content might work. Set default, static, content for a column. This can be done in a number of ways: ","\t\t\t\t\t\tcolumns. data () method to get the data for the row and show a bit of information about it in an alert box. defaultContent is static and therefore cannot possibly access the data. or not. xeai ljqyx cnqio qoruyys tygqjvk yipuk wgwisld vmpg tqlvmduhb jkyha