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.NET Forum / .NET Framework / ADO.NET / April 2006

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Converting between RowViews & Rows

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Ant - 25 Apr 2006 15:45 GMT
Hi, I'd like to use a typed row to iterate through a DatarowView array. I've
used a view for its FindRows method.

How (or where) can I cast this so that the rows & rowViews will work
together. I've tried converting them in various places without success:

Thanks for any ideas. I can use an untyped in the loop but I'm sure this
must be able to be done.

Ant

// Tried converting here with no success
DataView dv = new DataView(dsMaster.Customers);

dv.Sort = "City";

DataRowView[] dr = dv.FindRows("London");

// Doesn't like this. Tried converting here as well
foreach (dsMaster.CustomersRow cr in dr)
{
           
MessageBox.Show(cr.City.ToString());
}
Mark Ashton - 26 Apr 2006 22:19 GMT
Try
foreach(DataRowView drv in dr)
{
   dsMaster.CustomersRow cr = drv.Row as dsMaster.CustomersRow;
   if (null != cr)
   {
       MessageBox.Show(cr.City.ToString());
   }
}

> Hi, I'd like to use a typed row to iterate through a DatarowView array. I've
> used a view for its FindRows method.
[quoted text clipped - 20 lines]
> MessageBox.Show(cr.City.ToString());
> }
Ant - 30 Apr 2006 13:38 GMT
Hi Mark,
Thanks very much for demystifying that for me. It works fine.

Regards
Ant

> Try
> foreach(DataRowView drv in dr)
[quoted text clipped - 30 lines]
> > MessageBox.Show(cr.City.ToString());
> > }

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