Problem setting DataSource of a DataGridView

Question

What happens here is when in the form opens, it shows the contextMenu and display the DataGridView on it with the value of dataSet1. But when I click the button to change th

Answer 1

Just changing the datasource of a control does not tell it to re-bind(refresh) its data from that new datasource. You need to execute the control's DataBind() command after you change its datasource.

So after this:

dataGridView1.DataSource = ds;

try adding this:

dataGridView1.DataBind();