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error in update command using dataadapter

P: n/a

m using this code :...........................

================================================== =====================

OleDbConnection con =new OleDbConnection
(@"Provider=Microsoft.Jet.OLEDB.4.0; Data Source = C:\Documents and
Settings\ic411242\My Documents\db2.mdb");
con.Open ();

OleDbDataAdapter adp =new OleDbDataAdapter();
adp.SelectCommand = new OleDbCommand ( "select * from t1",con);

OleDbCommandBuilder cbd =new OleDbCommandBuilder (adp);
DataSet ds =new DataSet ();
adp.Fill (ds,"t1");


con.Close ();
================================================== =====================

PROBLEM :: RUNTIME ERROR --- Dynamic SQL generation for the
UpdateCommand is not supported against a SelectCommand that does not
return any key column information.


Feb 2 '07 #1
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2 Replies

P: n/a
Hi nannu,

I'm guessing your table is lacking a primary key/identity column. Without
such a column you can't use CommandBuilder to generate your update
commands. However, you can still create the update command manually.

Happy Coding!
Morten Wennevik [C# MVP]
Feb 2 '07 #2

P: n/a
Hi Morten ,
thanks very much for ur help it worked on ... keep
assisting me in future also .
--- bye
Feb 5 '07 #3

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