的方法的类型参数不能从使用推断。请尝试显式指定类型参数。

此错误可能是指 TProperty 键入参数，我不知道如何指定只具有的PropertyInfo 。

我做这涉及到：Use实体框架的StructuralTypeConfiguration.Ignore（）忽略所有属性，但指定的一组。

更新

code这是不工作：

  VAR的PropertyInfo = typeof运算（富）.GetProperties（）[0];
        VAR EX pression =前pression.Default（typeof运算（富））;
        VAR EX pressionProperty =前pression.Property（如pression，的PropertyInfo）;
        忽略（如pressionProperty）;
 

解决方案

  VAR参数=前pression.Parameter（的EntityType，实体）;
  VAR属性=前pression.Property（参数的PropertyInfo）;
  VAR funcType = typeof运算（Func键＆LT;，＆GT;）MakeGenericType（的EntityType，propertyInfo.PropertyType）。
  VAR的λ=前pression.Lambda（funcType，财产，参数）;

  structureConfiguration.GetType（）
   .GetMethod（忽略）
   .MakeGenericMethod（propertyInfo.PropertyType）
   .Invoke（structureConfiguration，新的[] {拉姆达}）;
 

How to convert PropertyInfo to property expression which can be used to invoke StructuralTypeConfiguration<TStructuralType>.Ignore<TProperty>(Expression<Func<TStructuralType, TProperty>> propertyExpression) method?

I tried to use Expression.Property() to construct expression but I am getting following error when I use this expression as propertyExpression parameter:

The type arguments for method cannot be inferred from the usage. Try specifying the type arguments explicitly.

This error probably refers to TProperty type parameter which I don't know how to specify having only PropertyInfo.

I am doing this in relation to: Use Entity Framework's StructuralTypeConfiguration.Ignore() to Ignore all properties but specified set.

UPDATE

Code which is not working:

        var propertyInfo = typeof(Foo).GetProperties()[0];
        var expression = Expression.Default(typeof(Foo));
        var expressionProperty = Expression.Property(expression, propertyInfo);
        Ignore(expressionProperty);

  var parameter = Expression.Parameter(entityType, "entity");
  var property = Expression.Property(parameter, propertyInfo);
  var funcType = typeof(Func<,>).MakeGenericType(entityType, propertyInfo.PropertyType);
  var lambda = Expression.Lambda(funcType, property, parameter);

  structureConfiguration.GetType()
   .GetMethod("Ignore")
   .MakeGenericMethod(propertyInfo.PropertyType)
   .Invoke(structureConfiguration, new[]{lambda});