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The OleDbCommand is currently busy Open, Fetching

Posted on 2006-07-18
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Last Modified: 2007-11-27
Hi,

When I perform a query, followed by another query, the OleDbCommand is still busy.  How should I re-initialize this?

Thanks,
Bob

sql = "SELECT * FROM DeliveryRunDetail WHERE ProcessName='Test';
dbCommand1.CommandText = sql;
dbCommand1.ExecuteNonQuery();
                        
reader = dbCommand1.ExecuteReader();      
while ( reader.Read() )
{
    // do something
}                        

sql = "DELETE * FROM DeliveryRunDetail WHERE ProcessName='Test2'";
dbCommand1.CommandText = sql;
dbCommand1.ExecuteNonQuery();
0
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Question by:ba272
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9 Comments
 
LVL 6

Expert Comment

by:mogun
ID: 17135006
Close Reader before executing other SQL commands using the same command object.

Cheers
Mohan
0
 
LVL 13

Assisted Solution

by:BlackTigerX
BlackTigerX earned 400 total points
ID: 17135320
reader.Close();                    
reader = dbCommand1.ExecuteReader();    
while ( reader.Read() )
{
    // do something
}        
0
 
LVL 6

Assisted Solution

by:mogun
mogun earned 400 total points
ID: 17138329
The correct one is

reader = dbCommand1.ExecuteReader();    
while ( reader.Read() )
{
    // do something
}                    

reader.Close();

sql = "DELETE * FROM DeliveryRunDetail WHERE ProcessName='Test2'";
dbCommand1.CommandText = sql;
dbCommand1.ExecuteNonQuery();
0
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LVL 96

Expert Comment

by:Bob Learned
ID: 17141497
Creating a new command instance would be better.

Bob
0
 

Author Comment

by:ba272
ID: 17142814
Hey Bob,

could you give an example so we're on the same page?

Bob
0
 
LVL 96

Expert Comment

by:Bob Learned
ID: 17142914
Bob,

Do you want to stick with the OleDbDataReader?

Bob
0
 

Author Comment

by:ba272
ID: 17143607
for now.  I've got quite a large program created.
0
 
LVL 96

Accepted Solution

by:
Bob Learned earned 1200 total points
ID: 17151352
Try this, then:

sql = "DELETE * FROM DeliveryRunDetail WHERE ProcessName='Test2' ";
OleDbCommand dbCommand2 = new OleDbCommand(sql, connection);
dbCommand2.ExecuteNonQuery();

Bob
0
 

Author Comment

by:ba272
ID: 17151365
ok
0

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