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;
}
}
private void btnUpdate_Click(object sender, EventArgs e)
{
var election = new Election();
election.ElectionId = txtElectionId.Text.Trim().ToUpper();
election.Post = txtElectionPost.Text.Trim().ToUpper();
election.NoOfCandidates = Convert.ToInt32(cmbNoOfCandidates.Text);
election.StartDate = dtStartDate.Value;
election.EndDate = dtEndDate.Value;
var rowAffected = AddNewElection.UpdateElection(election);
if (rowAffected > 0)
{
MessageBox.Show(@"Record updated successfully");
txtElectionId.Clear();
txtElectionPost.Clear();
btnSubmit.Enabled = true;
btnDelete.Enabled = false;
btnUpdate.Enabled = false;
btnView_Click(null, null);
cmbNoOfCandidates.SelectedIndex = -1;
}
else
{
MessageBox.Show(@"Record not updated successfully");
}
}
private void btnDelete_Click(object sender, EventArgs e)
{
StartDate = dtStartDate.Value;
EndDate = dtEndDate.Value;
var currentDate = DateTime.Now;
int result = DateTime.Compare(currentDate, StartDate);
int result2 = DateTime.Compare(currentDate, EndDate);
if (result >= 1 && result2 <= 1)
{
MessageBox.Show(@"Election can't be deleted. Election on process",
@"eVoting System", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
else
{
var deleted = AddNewElection.DeleteElection(txtElectionId.Text);
MessageBox.Show(deleted > 0 ? @"Deleted successfully" : @"Error deleting successfully", @"eVoting System");
btnView_Click(null, null);
}
}
private void btnSubmit_Click_1(object sender, EventArgs e)
{
StartDate = dtStartDate.Value;
EndDate = dtEndDate.Value;
int result = DateTime.Compare(EndDate, StartDate);
if (result < 0)
{
errProvider.SetError(dtEndDate, "Election end date should be greater than start date");
}
else
{
errProvider.SetError(dtEndDate, "");
var election = new Election
{
ElectionId = txtElectionId.Text.Trim().ToUpper(),
Post = txtElectionPost.Text.Trim().ToUpper(),
NoOfCandidates = Convert.ToInt32(cmbNoOfCandidates.Text),
StartDate = dtStartDate.Value,
EndDate = dtEndDate.Value
};
if (AddNewElection.Read(txtElectionId.Text) > 0)
{
var newElection = AddNewElection.NewElection(election);
MessageBox.Show(newElection > 0 ? @"Successfully add a new election" : @"Error adding a new election",
@"eVoting System");
}
else
{
MessageBox.Show(@"Duplicate election Id is not allowed", @"eVoting System");;
}
}
lstViewElection.Items.Clear();
cmbNoOfCandidates.SelectedIndex = -1;
btnView_Click(null, null);
}
