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DataView.Sort and DataView.FindRows

DataView.Sort and DataView.FindRows

DataView.Sort and DataView.FindRows

(OP)
thread732-333932: DataView.Sort and DataView.FindRows

Quote (iamanson)

Hi,
If my DataView contains data
ID VALUE
APPLE 1
APPLE 3
APPLE 2
ORANGE 1
ORANGE 4
ORANGE 2
ORANGE 3

Can I use .FindRows to get DataRowView data ID=ORANGE and sorted by VALUE?

I tried
DataView.Sort="ID, VALUE";
DataRowView [] = DataView.FindRows("ORANGE");
but it's not a valid syntax.

I realize that this is in reference to an old thread, but since it comes up on a search, and since someone else may have the same question to be answered, here it is:

You can not define a sort with multiple fields on a DataView and execute the FindRows method using a key that only has some of the fields in the sort key. Going by the provided example, the data must first be sorted in the underlying DataTable, thus:

CODE -->

ID    VALUE
APPLE   1
APPLE   2
APPLE   3
ORANGE  1
ORANGE  2
ORANGE  3
ORANGE  4 

Then, the sort should be on the one field that is required for the FindRows operation, thus:

CODE --> C#

myDataView.Sort = "ID";
DataRowView[] myDataRowView = myDataView.FindRows("ORANGE"); 

The VALUE field in this example will still retain its sorting order from the DataTable.

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