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How do you get rowcount with SqlDataReader?

Posted on 2008-09-30
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Last Modified: 2012-06-22
I have a routine that selects data from a SQL database, and returns it using a SqlDataReader.  See my snippet for the code I am using.  I am unsure of the best way to get the rowcount of the SQL I executed.   Executing the query inside SQL Server Management Studio yields 7 rows.
// QUERY
SELECT     f_title
FROM         features
WHERE     (pid = 1)
 
//CODE
Dim oCom As SqlCommand = New SqlCommand(sqlStuff.featureList(theId), New SqlConnection(sqlStuff.csString))
Dim oRead As SqlDataReader
Try
    oCom.Connection.Open()
    oRead = oCom.ExecuteReader
    oRead.Read()
    Dim temp As Integer = oRead.RecordsAffected 'returns -1?
    Stop
Catch ex As Exception
 
End Try

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Question by:Anders-Leet
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4 Comments
 
LVL 143

Accepted Solution

by:
Guy Hengel [angelIII / a3] earned 2000 total points
ID: 22608249
if you REALLY need the row count, fill a DataSet instead of using a Reader. from there, the datatable's Rows.Count will give the correct value.
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Author Comment

by:Anders-Leet
ID: 22608885
Ok good.  I have what I need, now how do I properly close the DataSet/SqlDataAdaptor objects?
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LVL 143

Expert Comment

by:Guy Hengel [angelIII / a3]
ID: 22608923
the dataadapter and dataset just needs to be set to null.
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Author Comment

by:Anders-Leet
ID: 22609050
Ok thank you both.
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