this
cmbPosition.SelectedValue == null ? 0 : cmbPosition.SelectedValue;
is equal to:
if (cmbPosition.SelectedValue == null)
{
return 0;
}
else
{
return cmbPosition.SelectedValue;
}
and this:
bnk.PartyWise = Convert.ToBoolean(cmbParty.SelectedIndex == -1 ? false : true)
is equal to:
if (cmbParty.SelectedIndex == -1)
{
bnk.PartyWise = false;
}
else
{
bnk.PartyWise = true;
}