Sorting String type DataTable C# with Negative values

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I have dataTable which is of type string
I want to sort it from smallest to largest one column has -ve values and other has positive and some have +ve and -ve values there are around 2000 columns

How to convert the DataTable from string type to decimal type so as to sort the values

Posted 5-Mar-14 5:34am

FarhanShariff

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Amalraj Ramesh · Answer 1 · 2014-03-05T05:59:00

Solution 1

Try this

DataView dataview = yourdatatable.DefaultView;
dataview.Sort = "ColumName";
DataTable dt = dataview .ToTable();

Posted 5-Mar-14 5:59am

Amalraj Ramesh

Updated 5-Mar-14 6:00am

v2

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FarhanShariff 5-Mar-14 12:02pm

No it is sorting in inverse order -ve sign not considered

_Asif_ · Answer 2 · 2014-03-05T06:02:00

Solution 2

Check below url for multiple solutions.

How To Change DataType of a DataColumn in a DataTable?[^]

One solution could also be to use Typed Data table. Search google for more details

Posted 5-Mar-14 6:02am

_Asif_