public void Save()
{
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;
}
}