// Utility method for copying the details of a record
private void CopyRecord(BooksCl source, BooksCl destination)
{
destination.BookID = source.BookID;
destination.Title = source.Title;
destination.Author = source.Author;
destination.OrderPrice = source.OrderPrice;
destination.SellingPrice = source.SellingPrice;
}
// Create a new (empty) record
// and put the form into Adding mode
private void Add()
{
BooksCl newRecord = new BooksCl {
BookID = 0
};
this.recordList.Insert(recordIndex, newRecord);
this.IsAdding = true;
this.OnPropertyChanged(nameof(Current));
}
// Helper method to validate record details
private bool ValidateRecord(BooksCl record)
{
string validationErrors = string.Empty;
bool hasErrors = false;
if (string.IsNullOrWhiteSpace(record.Title))
{
hasErrors = true;
validationErrors = "Role Name must not be empty\n";
}
this.LastError = validationErrors;
return(!hasErrors);
}
private void Edit()
{
this.oldRecord = new BooksCl();
this.CopyRecord(this.Current, this.oldRecord);
this.IsEditing = true;
}
