private void btnTambahAndReturnObject_Click(object sender, EventArgs e)
        {
            var form        = new FrmTambahData();
            var returnValue = form.RunAndReturnObjectMahasiswa(form);

            if (returnValue != null)
            {
                this.dgvData.Rows.Add(new string[] { returnValue.Nim, returnValue.Nama });
            }
        }
 private void dgvData_CellDoubleClick(object sender, DataGridViewCellEventArgs e)
 {
     if (this.dgvData.CurrentRow != null)
     {
         var    row  = this.dgvData.CurrentRow;
         string nim  = row.Cells[0].Value.ToString().Trim();
         string nama = row.Cells[1].Value.ToString().Trim();
         //FrmTambahData form = new FrmTambahData(nim, nama);
         FrmTambahData form = new FrmTambahData(new Mahasiswa {
             Nim = nim, Nama = nama
         });
         var returnValue = form.RunAndReturnObjectMahasiswa(form);
         if (returnValue != null)
         {
             row.Cells[0].Value = returnValue.Nim;
             row.Cells[1].Value = returnValue.Nama;
         }
     }
 }