public bool RemoveRange(List <T> list, out string msg)
{
msg = string.Empty;
try
{
using (L_Sys context = new L_Sys())
{
context.Set <T>().RemoveRange(list);
return(context.SaveChanges() > 0);
}
}
catch (DbEntityValidationException ex)
{
foreach (var item1 in ex.EntityValidationErrors)
{
foreach (var item2 in item1.ValidationErrors)
{
msg += item2.ErrorMessage + "<br />";
}
}
return(false);
}
}
public bool Update(T entity, out string msg)
{
msg = string.Empty;
try
{
using (L_Sys context = new L_Sys())
{
context.Set <T>().Attach(entity);
context.Entry <T>(entity).State = EntityState.Modified;
return(context.SaveChanges() > 0);
}
}
catch (DbEntityValidationException ex)
{
foreach (var item1 in ex.EntityValidationErrors)
{
foreach (var item2 in item1.ValidationErrors)
{
msg += item2.ErrorMessage + "<br />";
}
}
return(false);
}
}