Maximum value in a column returned in a C # datatable

Here is an example of the KeyIndex column (type int) in table DT2

1, through LINQ to achieve

int maxkeyindex = DT2. AsEnumerable (). Select (t = t.field<int> ("KeyIndex")). Max ();

LINQ syntax: Click to open link
2, through the compute method to achieve

int ee = (int) dt2.compute ("Max (KeyIndex)", "true");

Compute method: Click the Open link
3, through the Select method to achieve

int rr = (int) dt2. Select ("", "KeyIndex DESC") [0]["KeyIndex"];

Select method: Click the Open link
4. Go to List

To list the columns that need to be sorted in the DataTable, and then sort by the list's sort () method, the last value in the list is the maximum, after the sort is sorted by the default ascending order.

Introduction to List

The above is the content of the largest value in the returned column in the C # DataTable, more about topic.alibabacloud.com (www.php.cn)!

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