protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
{
string connectionString = ConfigCli.ConnectionString(IsFrameworkDb);
UtilFramework.Assert(string.IsNullOrEmpty(connectionString) == false, "ConnectionString is null!");
optionsBuilder.UseSqlServer(connectionString);
optionsBuilder.UseQueryTrackingBehavior(QueryTrackingBehavior.NoTracking);
}