BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  "Object was open" error with TADOQuery          BorlandTalk.com Forum Index -> Delphi Databases (ADO) View previous topic :: View next topic   Author Message Ashok Guest Posted: Thu Sep 18, 2003 7:01 pm    Post subject: "Object was open" error with TADOQuery ADOQuery1.SQL.Clear; ADOQuery1.SQL.Add(SQLStmt); ADOQuery1.ExecSQL; ADOQuery1.SQL.Clear; ADOQuery1.SQL.Add('SELECT TABLE_NAME FROM ALL_TABLES where TABLE_NAME ='); ADOQuery1.SQL.Add(QuotedStr(TheTableName)); ADOQuery1.Open; I am sometimes getting "Object was Open" error on the last line >> (ADOQuery1.Open;). I am using Oracle 8i database. ADOQuery1.CursorLocation := clUseServer and ADOQuery1.CursorType := ctKeyset is set in Object Inspector In above code, I am using CREATE TABLE customer in ADOQuery1.ExecSQL then using ADOQuery1 I want to find out if customer TABLE was created successfully where I set TheTableName = 'customer' but ADOQuery1.Open sometime gives "Object was open" error. How do I fix this ? By the way the customer TABLE does not have any indexes. Thanks, Ashok Back to top Viatcheslav V. Vassiliev Guest Posted: Fri Sep 19, 2003 8:06 am    Post subject: Re: "Object was open" error with TADOQuery It is DB_E_OBJECTOPEN error: The provider would have to open a new connection to support the operation, and DBPROP_MULTIPLECONNECTIONS is set to VARIANT_FALSE. Any streams used to pass input parameters are not released. DBPROP_MULTIPLECONNECTIONS is "Multiple Connections" property on TADOConnection. //---------------------- Regards, Viatcheslav V. Vassiliev http://www.oledbdirect.com The fastest way to access MS SQL Server, MS Jet (Access) and Interbase (through OLEDB) "Ashok" <ashok (AT) ureach (DOT) com> ÓÏÏÂÝÉÌ/ÓÏÏÂÝÉÌÁ × ÎÏ×ÏÓÔÑÈ ÓÌÅÄÕÀÝÅÅ: news:3f6a0102$1 (AT) newsgroups (DOT) borland.com... Quote: ADOQuery1.SQL.Clear; ADOQuery1.SQL.Add(SQLStmt); ADOQuery1.ExecSQL; ADOQuery1.SQL.Clear; ADOQuery1.SQL.Add('SELECT TABLE_NAME FROM ALL_TABLES where TABLE_NAME ='); ADOQuery1.SQL.Add(QuotedStr(TheTableName)); ADOQuery1.Open; I am sometimes getting "Object was Open" error on the last line (ADOQuery1.Open;). I am using Oracle 8i database. ADOQuery1.CursorLocation := clUseServer and ADOQuery1.CursorType := ctKeyset is set in Object Inspector In above code, I am using CREATE TABLE customer in ADOQuery1.ExecSQL then using ADOQuery1 I want to find out if customer TABLE was created successfully where I set TheTableName = 'customer' but ADOQuery1.Open sometime gives "Object was open" error. How do I fix this ? By the way the customer TABLE does not have any indexes. Thanks, Ashok Back to top Ashok Guest Posted: Fri Sep 19, 2003 4:31 pm    Post subject: Re: "Object was open" error with TADOQuery Viatcheslav, I have this problem when I use one TADOConnection and use some SELECT statements, then CREATE TABLE sql statement. Then to confirm DBPROP_MULTIPLECONNECTIONS situation, I created 2nd TADOConnection for exclusive use to send sql "CREATE TABLE" and "Opject was oper" error did not occur. How can I use just one TADOConnection and set DBPROP_MULTIPLECONNECTIONS to appropriate value ? Thanks, Ashok "Viatcheslav V. Vassiliev" <support (AT) oledbdirect (DOT) com> wrote Quote: It is DB_E_OBJECTOPEN error: The provider would have to open a new connection to support the operation, and DBPROP_MULTIPLECONNECTIONS is set to VARIANT_FALSE. Any streams used to pass input parameters are not released. DBPROP_MULTIPLECONNECTIONS is "Multiple Connections" property on TADOConnection. //---------------------- Regards, Viatcheslav V. Vassiliev http://www.oledbdirect.com The fastest way to access MS SQL Server, MS Jet (Access) and Interbase (through OLEDB) "Ashok" <ashok (AT) ureach (DOT) com> ÓÏÏÂÝÉÌ/ÓÏÏÂÝÉÌÁ × ÎÏ×ÏÓÔÑÈ ÓÌÅÄÕÀÝÅÅ: news:3f6a0102$1 (AT) newsgroups (DOT) borland.com... ADOQuery1.SQL.Clear; ADOQuery1.SQL.Add(SQLStmt); ADOQuery1.ExecSQL; ADOQuery1.SQL.Clear; ADOQuery1.SQL.Add('SELECT TABLE_NAME FROM ALL_TABLES where TABLE_NAME ='); ADOQuery1.SQL.Add(QuotedStr(TheTableName)); ADOQuery1.Open; I am sometimes getting "Object was Open" error on the last line (ADOQuery1.Open;). I am using Oracle 8i database. ADOQuery1.CursorLocation := clUseServer and ADOQuery1.CursorType := ctKeyset is set in Object Inspector In above code, I am using CREATE TABLE customer in ADOQuery1.ExecSQL then using ADOQuery1 I want to find out if customer TABLE was created successfully where I set TheTableName = 'customer' but ADOQuery1.Open sometime gives "Object was open" error. How do I fix this ? By the way the customer TABLE does not have any indexes. Thanks, Ashok Back to top Viatcheslav V. Vassiliev Guest Posted: Sat Sep 20, 2003 6:26 am    Post subject: Re: "Object was open" error with TADOQuery ADOConnection1.Properties['Multiple Connections'].Value := True. However True is default for this property and some OLEDB providers may not support this property. //---------------------- Regards, Viatcheslav V. Vassiliev http://www.oledbdirect.com The fastest way to access MS SQL Server, MS Jet (Access) and Interbase (through OLEDB) "Ashok" <ashok (AT) ureach (DOT) com> ÓÏÏÂÝÉÌ/ÓÏÏÂÝÉÌÁ × ÎÏ×ÏÓÔÑÈ ÓÌÅÄÕÀÝÅÅ: news:3f6b2f4c (AT) newsgroups (DOT) borland.com... Quote: Viatcheslav, I have this problem when I use one TADOConnection and use some SELECT statements, then CREATE TABLE sql statement. Then to confirm DBPROP_MULTIPLECONNECTIONS situation, I created 2nd TADOConnection for exclusive use to send sql "CREATE TABLE" and "Opject was oper" error did not occur. How can I use just one TADOConnection and set DBPROP_MULTIPLECONNECTIONS to appropriate value ? Thanks, Ashok "Viatcheslav V. Vassiliev" <support (AT) oledbdirect (DOT) com> wrote in message news:3f6abaef$1 (AT) newsgroups (DOT) borland.com... It is DB_E_OBJECTOPEN error: The provider would have to open a new connection to support the operation, and DBPROP_MULTIPLECONNECTIONS is set to VARIANT_FALSE. Any streams used to pass input parameters are not released. DBPROP_MULTIPLECONNECTIONS is "Multiple Connections" property on TADOConnection. //---------------------- Regards, Viatcheslav V. Vassiliev http://www.oledbdirect.com The fastest way to access MS SQL Server, MS Jet (Access) and Interbase (through OLEDB) "Ashok" <ashok (AT) ureach (DOT) com> ÓÏÏÂÝÉÌ/ÓÏÏÂÝÉÌÁ × ÎÏ×ÏÓÔÑÈ ÓÌÅÄÕÀÝÅÅ: news:3f6a0102$1 (AT) newsgroups (DOT) borland.com... ADOQuery1.SQL.Clear; ADOQuery1.SQL.Add(SQLStmt); ADOQuery1.ExecSQL; ADOQuery1.SQL.Clear; ADOQuery1.SQL.Add('SELECT TABLE_NAME FROM ALL_TABLES where TABLE_NAME ='); ADOQuery1.SQL.Add(QuotedStr(TheTableName)); ADOQuery1.Open; I am sometimes getting "Object was Open" error on the last line (ADOQuery1.Open;). I am using Oracle 8i database. ADOQuery1.CursorLocation := clUseServer and ADOQuery1.CursorType := ctKeyset is set in Object Inspector In above code, I am using CREATE TABLE customer in ADOQuery1.ExecSQL then using ADOQuery1 I want to find out if customer TABLE was created successfully where I set TheTableName = 'customer' but ADOQuery1.Open sometime gives "Object was open" error. How do I fix this ? By the way the customer TABLE does not have any indexes. 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