Entity Framework Code First fluent API setting field properties in a for loop

Question

I am using Entity Framework Code First to create a database table. My model class has ten decimal fields. Currently I am setting the field property like this in the OnMode

Answer 1

model creation with some reflection

var entityTypes = Assembly.GetExecutingAssembly().GetTypes().Where(t => t.IsClass && t.Namespace == "Namespace.Enitites");
foreach (var type in entityTypes)
{
    foreach (var property in type.GetProperties().Where(p => p.PropertyType == typeof(decimal)))
    {
        var entityConfig = modelBuilder.GetType().GetMethod("Entity").MakeGenericMethod(type).Invoke(modelBuilder, null);
        var param = Expression.Parameter(type, "c");
        var lambdaExpression = Expression.Lambda(Expression.Property(param, property), true, new[] { param });

        var items = entityConfig.GetType().GetMethods().Where(p => p.Name == "Property" && p.ReturnType == typeof(DecimalPropertyConfiguration)).ToArray();
        if (items.Length <= 0)
            continue;

        MethodInfo methodInfo;
        if (property.PropertyType.IsGenericType && property.PropertyType.GetGenericTypeDefinition() == typeof(Nullable<>))
            methodInfo = items[1];
        else
            methodInfo = items[0];

        var decimalConfig = methodInfo.Invoke(entityConfig, new[] { lambdaExpression }) as DecimalPropertyConfiguration;
        if (decimalConfig != null)
            decimalConfig.HasPrecision(19, 4);
    }
}

or

modelBuilder.Conventions.Remove();
modelBuilder.Conventions.Add(new DecimalPropertyConvention(19, 4));