public void Save()
{
//bool saveFailed;
//do
//{
// saveFailed = false;
// try
// {
// context.SaveChanges();
// }
// catch (DbUpdateConcurrencyException ex)
// {
// saveFailed = true;
// // Get the current entity values and the values in the database
// var entry = ex.Entries.Single();
// var currentValues = entry.CurrentValues;
// var databaseValues = entry.GetDatabaseValues();
// // Choose an initial set of resolved values. In this case we
// // make the default be the values currently in the database.
// var resolvedValues = databaseValues.Clone();
// // Have the user choose what the resolved values should be
// HaveUserResolveConcurrency(currentValues, databaseValues, resolvedValues);
// // Update the original values with the database values and
// // the current values with whatever the user choose.
// entry.OriginalValues.SetValues(databaseValues);
// entry.CurrentValues.SetValues(resolvedValues);
// }
// } while (saveFailed);
try
{
context.SaveChanges();
}
catch (DbEntityValidationException e)
{
var outputLines = new List <string>();
foreach (var eve in e.EntityValidationErrors)
{
outputLines.Add(string.Format("{0}: Entity of type \"{1}\" in state \"{2}\" has the following validation errors: ", DateTime.Now, eve.Entry.Entity.GetType().Name, eve.Entry.State));
foreach (var ve in eve.ValidationErrors)
{
outputLines.Add(string.Format(" Property: \"{0}\", Error: \"{1}\"", ve.PropertyName, ve.ErrorMessage));
}
}
System.IO.File.AppendAllLines(@"C:\errors.txt", outputLines);
throw e;
}
}
public void CommitChanges() => _context.SaveChanges();