如何在列表中列出一个列表？ [英] How do I have a list within a list?

问题描述

 

//没有语法错误：

  &NBSP; &NBSP; &NBSP;   var lstPartsQtyPerDate = new List< Tuple< string，string，string，string，string []>>（）;

  &NBSP; &NBSP; &NBSP; &NBSP; &NBSP;列表与LT;串GT; lstDates = new List< string>（）;

//为什么元组不允许lstDates以及如何修复？

lstPartsQtyPerDate.Add（new Tuple< string，string，string，string，string []>（strPartNum，strPO，arrstrThreeParts [1]，strShipTo，lstDates））;

元组变量是四个字符串和一个工作正常的字符串列表

 

解决方案

&NBSP;

//没有语法错误：

  &NBSP; &NBSP; &NBSP;   var lstPartsQtyPerDate = new List< Tuple< string，string，string，string，string []>>（）;

  &NBSP; &NBSP; &NBSP; &NBSP; &NBSP;列表与LT;串GT; lstDates = new List< string>（）;

//为什么元组不允许lstDates以及如何修复？

lstPartsQtyPerDate.Add（new Tuple< string，string，string，string，string []>（strPartNum，strPO，arrstrThreeParts [1]，strShipTo，lstDates））;

 

首先要突出的是第五个参数采用字符串 

数组，而非List。



- Wayne

 

//No syntax errors:

         var lstPartsQtyPerDate = new List<Tuple<string, string, string, string, string[]>>();

            List<string> lstDates = new List<string>();

//Why does the tuple not allow lstDates and how do I fix it?

lstPartsQtyPerDate.Add(new Tuple<string, string, string, string, string[]>(strPartNum, strPO, arrstrThreeParts[1], strShipTo, lstDates));

The tuple variables are four strings and a list of strings that work just fine

 

解决方案

 

//No syntax errors:

         var lstPartsQtyPerDate = new List<Tuple<string, string, string, string, string[]>>();

            List<string> lstDates = new List<string>();

//Why does the tuple not allow lstDates and how do I fix it?

lstPartsQtyPerDate.Add(new Tuple<string, string, string, string, string[]>(strPartNum, strPO, arrstrThreeParts[1], strShipTo, lstDates));

 

The first thing that stands out is that the fifth parameter takes a string 
array, not a List.

- Wayne

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