I am trying to create a drag and drop option for my crystal report viewer


question1

should i be creating the dragdrop event on the from or the viewer or both

question2

for example ill just be useing the viewer


currently im useing
Code:
private void crystalReportViewer1_DragOver(object sender, DragEventArgs e)
        {
           try
           {
               crystalReportViewer1.ReportSource = e.Data;
           }
           catch
           {
            MessageBox.Show("hi");
           }
        }
but im missing something becuase this isnt even fireing when i drag something over or drag and drop


any suggestions

thanks