datagridview重复显示数据

Question

Good day everyone,I am currently making a windows application in c#,I am trying to display my data from my database to the datagridview,my problem is whenever I add a second data to my database using the gui, my datagridview display the existing data that already displayed,I know it is just a small problem but I have not found where the problem is. Thankyou everyone.

Answer 1

You need to reset data grid view data source to nothing. And again assign data source.

datagrid.DataSource = null;
datagrid.DataSource = dataSource;