C# 将匿名类型转换为列表<;KeyValuePair>;
我有一种方法要求如下:C# 将匿名类型转换为列表<;KeyValuePair>;,c#,linq,type-conversion,key-value,C#,Linq,Type Conversion,Key Value,我有一种方法要求如下: public static List<ParetoElement> ParetoBuildBySum(List<KeyValuePair<string, double>> inputData) 正确的方法是什么 谢谢请相应地修改您的查询: var myHistoSource = ( from d in data select new KeyValuePair<string, double>(d
public static List<ParetoElement>
ParetoBuildBySum(List<KeyValuePair<string, double>> inputData)
正确的方法是什么
谢谢请相应地修改您的查询:
var myHistoSource = (
from d in data
select new KeyValuePair<string, double>(d.Item_Expense_Type,
Double.Parse(d.Item_Amount.ToString())
).ToList();
var myHistoSource=(
从数据中提取数据
选择新的KeyValuePair(d.项目\费用\类型,
Double.Parse(d.Item\u Amount.ToString())
).ToList();
另一方面,您的ParetoBuildBySum
方法最有可能接受IEnumerable
而不是List
作为其参数
var myHistoSource = (
from d in data
select new KeyValuePair<string, double>(d.Item_Expense_Type,
Double.Parse(d.Item_Amount.ToString())
).ToList();