DataTable is a class. It is a collection of datarow and datacolumn. System.data namespace contains the definition of DataTable. It is used to store the data from database return in tabular form. You can also define the structure of DataTable..

DataTable is a classs.it is a collection of datacolumn and datarows. system.data namespace contain the defination of datatable. datatable used to store collection of data from database.using datatable you can define the datatable structure.