private void addnewdepartmentsave_Click(object sender, EventArgs e)
 {
     if (addnewdepartmentidtext.Text != "" && addnewdepartmentnametext.Text != "")
     {
         try
         {
             dept.departmentId   = addnewdepartmentidtext.Text;
             dept.departmentName = addnewdepartmentnametext.Text;
             if (deptd.insertDepartment(dept))
             {
                 MessageBox.Show("New Department Added Successfully.");
                 button1_Click(sender, e);
             }
             else
             {
                 MessageBox.Show("New Department Not Added.");
             }
         }
         catch (Exception ex)
         {
             MessageBox.Show(ex.Message);
         }
     }
     else
     {
         MessageBox.Show("Empty Input.");
     }
 }