DataGridView.Clear()

Question

Here comes the trouble. I want to delete all rows from datagridview. This how i add rows:

private void ReadCompleteCallback(object clientHandle, Opc.Da.ItemV         


        

Answer 1

Basically below code line is only useful in data binding scenarios

datagridview.DataSource = null; 

otherwise below is the used when no data binding and datagridview is populated manually

dataGridView1.Rows.Clear();
dataGridView1.Refresh();

So, check first what you are doing.