private void lstViewElection_SelectedIndexChanged(object sender, EventArgs e)
 {
     if (lstViewElection.SelectedItems.Count != 0)
     {
         var election = new Election();
         SelectedItem         = lstViewElection.SelectedItems[0].Text;
         election             = AddNewElection.SelectedItem(SelectedItem);
         txtElectionId.Text   = election.ElectionId;
         txtElectionPost.Text = election.Post;
         dtStartDate.Value    = election.StartDate;
         dtEndDate.Value      = election.EndDate;
         if (election.NoOfCandidates == 2)
         {
             cmbNoOfCandidates.SelectedIndex = 0;
         }
         else if (election.NoOfCandidates == 3)
         {
             cmbNoOfCandidates.SelectedIndex = 1;
         }
         else
         {
             cmbNoOfCandidates.SelectedIndex = 2;
         }
         txtElectionId.ReadOnly = true;
         btnSubmit.Enabled      = false;
         btnUpdate.Enabled      = true;
         btnDelete.Enabled      = true;
     }
 }