group by dynamic c# code example
Example: dynamic group by expression C#
private static Expression<Func<Menu, string>> GetGroupKey(string property)
{
var parameter = Expression.Parameter(typeof(Menu));
var body = Expression.Property(parameter, property);
return Expression.Lambda<Func<Menu, string>>(body, parameter);
}
// Usage
context.Menus.GroupBy(GetGroupKey(columnName));