/*
* Catch DbEntityValidationException when db.SaveChanges() is called
*/
public static void DemoUpdate()
{
try
{
using (var db = new AppDbTemplateEntities())
{
db.SaveChanges();
}
}
catch (DbEntityValidationException ex)
{
// Retrieve the error messages as a list of strings.
var errorMessages = ex.EntityValidationErrors
.SelectMany(x => x.ValidationErrors)
.Select(x => x.ErrorMessage);
// Join the list to a single string.
var fullErrorMessage = string.Join("; ", errorMessages);
// Combine the original exception message with the new one.
var exceptionMessage = string.Concat(ex.Message, " The validation errors are: ", fullErrorMessage);
// Throw a new DbEntityValidationException with the improved exception message.
throw new DbEntityValidationException(exceptionMessage, ex.EntityValidationErrors);
}
}
public static List <EmployeeInformation> DbTest()
{
using (var db = new AppDbTemplateEntities())
{
return(db.EmployeeInformations
.Where(x => x.CurrentStatusCode.ToLower() != "t")
.OrderBy(x => x.LastHireDate)
.Take(10)
.ToList());
}
}
