private void addpanel_VisibleChanged(object sender, EventArgs e) // 입력 컨트롤
 {
     addinfo.Dispose();
     addinfo          = new Infoinput();
     addinfo.Location = new Point(40, 50);
     addpanel.Controls.Add(addinfo);
 }
 private void findpanel_VisibleChanged(object sender, EventArgs e) // 입력 컨트롤 및 표 초기화
 {
     reviseinfo.Dispose();
     reviseinfo          = new Infoinput();
     reviseinfo.Location = new Point(0, 30);
     findpanel.Controls.Add(reviseinfo);
     dataGridView1.Rows.Clear();
     dataGridView1.ClearSelection();
 }