Compare dates in DataView.RowFilter?

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I am scratching my head over something rather stupid yet apparently difficult.

DataView dvFormula = dsFormula.Tables[0].DefaultView;
dvFormula.RowFilter = "'" + startDate.ToString("yyyyMMdd") + "' < EndDate OR EndDate = '19000101'";
dvFormula.Sort = "FromDate ASC";

The result is this:

Cannot perform '<' operation on System.String and System.DateTime.

Please tell me what the best way to solve this problem would be.

Much appreciated!

3 Answers
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