Sum Of a column of generic list

i have list of string 开发者_JAVA技巧like this :

Dim totalPrice As New List(Of Integer)

how can i get sum of column(0) (C# or VB) ? thanks

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In C#:

var lst = new List<int>();
lst.Sum();

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In C# do the following to conver the string list into a int list and the sum it.

List<string> list_str = new List<string>();
...
var list_int = list_str.Select( (x)=>int.Parse(x) );
int sum = list_int.Sum();

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You wont be able to Sum a string but if it where a list of Integers

List<int> totalPrice = new List<int>();
var SumOftotalPrice = (from s in totalPrice
                       select s).Sum();

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may be this should help

int sum = stringList.ConvertAll(Convert.ToInt32).Sum();