DataSource1. The DataSet:=ClientDataSet1;
DBGrid1. The DataSource:=DataSource1;//associated data-aware controls

DBGrid1 associated with ClientDataSet1 after, as long as the data in the DBGrid1 as long as a modification, the background data also follow to update,
Is there any way you can let the user to modify data in a DBGrid1, when user press the save button, then the updated database to Taiwan?