轉換lambda表達式表達式樹

Question

我做的LINQ查詢：

 var parcels = (from parcel in Db.Parcels 
           where 
            (parcel.Neighbors.Count(neig => 
             { 
              var neigType1 = neig.Neighbors as NeigType1; 
              var neigType2 = neig.Neighbors as NeigType2; 
              var result = false; 
              if (neigType1 != null) 
              { 
               result = neigType1.Name.Contains(NeigTextBox.Text); 
              } 

              if (neigType2 != null) 
              { 
               result = кадастроваяОрганизация.Name.Contains(NeigTextBox.Text); 
              } 
              return result; 
             }) > 0) 
           select parcel).ToList(); 

但行(parcel.Neighbors.Count(neig =>我得到一個錯誤：

A lambda expression with a statement body cannot be converted to an expression tree

谷歌說，這是因爲我不使用=>運營商。但我在哪裏放呢？

Answer 1

嘗試這種解決方案：

var parcels = Db.Parcels 
    .Where(p => p.Neighbors.Count(neig => 
     { 
      ..... 
      return result; 
     }) > 0) 
    .ToList();