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I have two database one on server(oracle) and one on client(MSaccess) . I want to synchronise database beetween server and client. So I don't allow anyone to update, insert or delete on server database. How to clock a table that i want synchronise with client on server database. Help me

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This is my code: this.oracleConnection1.ConnectionString = "user id=HMS;data source=HMS2005;password=HMS"; da = new System.Data.OracleClient.OracleDataAdapter(); cmd = new System.Data.OracleClient.OracleCommand("select A1,A2 from TEST",oracleConnection1); da.SelectCommand = cmd; cb = new System.Data.OracleClient.OracleCommandBuilder(da); daset =new DataSet(); da.Fill(daset); daset.Tables[0].Rows[0][0]= "123"; da.Update(daset); So When My program was run . it throw one error and error message is "Dynamic SQL generation for the UpdateCommand is not supported against a SelectCommand that does not return any key column information." Help me!!!!!!!!!!:doh:

This is my code: this.oracleConnection1.ConnectionString = "user id=HMS;data source=HMS2005;password=HMS"; da = new System.Data.OracleClient.OracleDataAdapter(); cmd = new System.Data.OracleClient.OracleCommand("select A1,A2 from TEST",oracleConnection1); da.SelectCommand = cmd; cb = new System.Data.OracleClient.OracleCommandBuilder(da); daset =new DataSet(); da.Fill(daset); daset.Tables[0].Rows[0][0]= "123"; da.Update(daset); So When My program was run . it throw one error and error message is "Dynamic SQL generation for the UpdateCommand is not supported against a SelectCommand that does not return any key column information." Help me!!!!!!!!!!:doh: