I have a stored procedure :
CREATE PROCEDURE STP_GETSTORELIST @RETCUR CURSOR VARYING OUTPUT
AS
set @RETCUR = CURSOR
FORWARD_ONLY STATIC FOR
SELECT ID,STORE_NAME FROM T_INF_STORE
ORDER BY STORE_NAME
OPEN @RETCUR
It has an output cursor variable.
How can i use it in .net?
There is no any sqldbtype.Cursor parameter
object my_DBNull;
my_DBNull = Convert.DBNull;
SqlParameter pm = new SqlParameter ( "@RETCUR",SqlDbType.Variant ,2000,
ParameterDirection.Output,true,0,0,"",DataRowVersi on.Default ,my_DBNull);
And above line is not working also.
I can do it in oracle with
create or replace procedure STP_GETSTORELIST(RETCUR out types.ref_cursor)
AS
begin
open RETCUR for
SELECT ID,STORE_NAME FROM T_INF_STORE;
end STP_GETSTORELIST;
OracleParameter pm = new OracleParameter ( "RETCUR",OracleType.Cursor,2000,
ParameterDirection.Output,true,0,0,"",DataRowVersi on.Default,my_DBNull);
Please send answer also to my e-mail too. (if exist)
Regards. 8 13958
Yusuf,
Do you have to have it return a cursor? Have you considered just
performing the select, and then checking the results of the select?
--
- Nicholas Paldino [.NET/C# MVP]
- mv*@spam.guard.caspershouse.com
"Yusuf INCEKARA" <yi*******@mikrokom.com> wrote in message
news:eK**************@TK2MSFTNGP12.phx.gbl... I have a stored procedure :
CREATE PROCEDURE STP_GETSTORELIST @RETCUR CURSOR VARYING OUTPUT AS set @RETCUR = CURSOR FORWARD_ONLY STATIC FOR SELECT ID,STORE_NAME FROM T_INF_STORE ORDER BY STORE_NAME OPEN @RETCUR
It has an output cursor variable.
How can i use it in .net?
There is no any sqldbtype.Cursor parameter
object my_DBNull;
my_DBNull = Convert.DBNull;
SqlParameter pm = new SqlParameter ( "@RETCUR",SqlDbType.Variant ,2000, ParameterDirection.Output,true,0,0,"",DataRowVersi on.Default ,my_DBNull);
And above line is not working also.
I can do it in oracle with
create or replace procedure STP_GETSTORELIST(RETCUR out types.ref_cursor) AS begin open RETCUR for SELECT ID,STORE_NAME FROM T_INF_STORE; end STP_GETSTORELIST;
OracleParameter pm = new OracleParameter ( "RETCUR",OracleType.Cursor,2000, ParameterDirection.Output,true,0,0,"",DataRowVersi on.Default,my_DBNull);
Please send answer also to my e-mail too. (if exist)
Regards.
My application Architect :
User Interface Layer (UIL)
Business Layer (BL)
Service Layer (SL)
Generic Data Access Layer(GDAL)
GDAL decides which provider to use at runtime.
All sql statements are in stored procedures.
GDAL Can use MSSQL , ORACLE , OLEDB , ODBC ... and any .net managed
provider.
For coding transparency i need to use output cursor. In my codes there is a
line
GDal.ExecCursorStp("STP_GETSTORELIST",CommandType. StoredProcedure, pmi,ref
ds);
where pmi is parameter array and ds is a Dataset.
It works fine with Oracle. And all other parts that are not returning an
output cursor are working fine too with both MSSQL and Oracle.
----- Original Message -----
From: "Nicholas Paldino [.NET/C# MVP]" <mv*@spam.guard.caspershouse.com>
Newsgroups: microsoft.public.dotnet.languages.csharp
Sent: Monday, November 29, 2004 8:45 PM
Subject: Re: MSSQL Output Cursor Parameter Yusuf,
Do you have to have it return a cursor? Have you considered just performing the select, and then checking the results of the select?
-- - Nicholas Paldino [.NET/C# MVP] - mv*@spam.guard.caspershouse.com
"Yusuf INCEKARA" <yi*******@mikrokom.com> wrote in message news:eK**************@TK2MSFTNGP12.phx.gbl...I have a stored procedure :
CREATE PROCEDURE STP_GETSTORELIST @RETCUR CURSOR VARYING OUTPUT AS set @RETCUR = CURSOR FORWARD_ONLY STATIC FOR SELECT ID,STORE_NAME FROM T_INF_STORE ORDER BY STORE_NAME OPEN @RETCUR
It has an output cursor variable.
How can i use it in .net?
There is no any sqldbtype.Cursor parameter
object my_DBNull;
my_DBNull = Convert.DBNull;
SqlParameter pm = new SqlParameter ( "@RETCUR",SqlDbType.Variant ,2000, ParameterDirection.Output,true,0,0,"",DataRowVersi on.Default
,my_DBNull); And above line is not working also.
I can do it in oracle with
create or replace procedure STP_GETSTORELIST(RETCUR out
types.ref_cursor) AS begin open RETCUR for SELECT ID,STORE_NAME FROM T_INF_STORE; end STP_GETSTORELIST;
OracleParameter pm = new OracleParameter ( "RETCUR",OracleType.Cursor,2000, ParameterDirection.Output,true,0,0,"",DataRowVersi on.Default,my_DBNull);
Please send answer also to my e-mail too. (if exist)
Regards.
Yusef,
If you want transparency, then you aren't going to be able to return the
cursor from SQL server like that, as I am not sure it is supported by the
framework.
I still don't understand why you can't just declare your stored
procedure like this:
CREATE PROCEDURE STP_GETSTORELIST
AS
SELECT ID,STORE_NAME FROM T_INF_STORE
ORDER BY STORE_NAME
This would make it more universally accessible, no?
--
- Nicholas Paldino [.NET/C# MVP]
- mv*@spam.guard.caspershouse.com
"Yusuf INCEKARA" <yi*******@mikrokom.com> wrote in message
news:eG**************@TK2MSFTNGP11.phx.gbl... My application Architect :
User Interface Layer (UIL) Business Layer (BL) Service Layer (SL) Generic Data Access Layer(GDAL)
GDAL decides which provider to use at runtime. All sql statements are in stored procedures. GDAL Can use MSSQL , ORACLE , OLEDB , ODBC ... and any .net managed provider. For coding transparency i need to use output cursor. In my codes there is a line
GDal.ExecCursorStp("STP_GETSTORELIST",CommandType. StoredProcedure, pmi,ref ds); where pmi is parameter array and ds is a Dataset. It works fine with Oracle. And all other parts that are not returning an output cursor are working fine too with both MSSQL and Oracle.
----- Original Message ----- From: "Nicholas Paldino [.NET/C# MVP]" <mv*@spam.guard.caspershouse.com> Newsgroups: microsoft.public.dotnet.languages.csharp Sent: Monday, November 29, 2004 8:45 PM Subject: Re: MSSQL Output Cursor Parameter
Yusuf,
Do you have to have it return a cursor? Have you considered just performing the select, and then checking the results of the select?
-- - Nicholas Paldino [.NET/C# MVP] - mv*@spam.guard.caspershouse.com
"Yusuf INCEKARA" <yi*******@mikrokom.com> wrote in message news:eK**************@TK2MSFTNGP12.phx.gbl... >I have a stored procedure : > > CREATE PROCEDURE STP_GETSTORELIST @RETCUR CURSOR VARYING OUTPUT > AS > set @RETCUR = CURSOR > FORWARD_ONLY STATIC FOR > SELECT ID,STORE_NAME FROM T_INF_STORE > ORDER BY STORE_NAME > OPEN @RETCUR > > It has an output cursor variable. > > How can i use it in .net? > > There is no any sqldbtype.Cursor parameter > > object my_DBNull; > > my_DBNull = Convert.DBNull; > > SqlParameter pm = new SqlParameter ( "@RETCUR",SqlDbType.Variant ,2000, > ParameterDirection.Output,true,0,0,"",DataRowVersi on.Default ,my_DBNull); > > And above line is not working also. > > I can do it in oracle with > > create or replace procedure STP_GETSTORELIST(RETCUR out types.ref_cursor) > AS > begin > open RETCUR for > SELECT ID,STORE_NAME FROM T_INF_STORE; > end STP_GETSTORELIST; > > > OracleParameter pm = new OracleParameter ( > "RETCUR",OracleType.Cursor,2000, > ParameterDirection.Output,true,0,0,"",DataRowVersi on.Default,my_DBNull); > > Please send answer also to my e-mail too. (if exist) > > Regards. > > > > >
Well this is the code where i call database :
MWSNS.ParamStruct[] pmi = new MWSNS.ParamStruct[1];
pmi[0].Direction = ParameterDirection.Output ;
pmi[0].ParamName = "@RETCUR";
pmi[0].DataType = DbType.Object ;
pmi[0].Value = DBNull.Value;
DAL Dal=new DAL();
Dal.ExecCursorStp("STP_GETSTORELIST",CommandType.S toredProcedure, pmi,ref
ds);
In GDAL if DataType is object it convert it to Oracle.Cursor (if provider is
Oracle) or to SqlDbType.Variant (if provider is MSSQL)
return true;
It works with Oracle. If it works with MSSQL too i won't need any
customization in my project.
If not i have to customize code like this :
if (provider==EnumProviders.ORACLE)
{
MWSNS.ParamStruct[] pmi = new MWSNS.ParamStruct[1];
pmi[0].Direction = ParameterDirection.Output ;
pmi[0].ParamName = "@RETCUR";
pmi[0].DataType = DbType.Object ;
pmi[0].Value = DBNull.Value;
GDAL Dal=new GDAL();
Dal.ExecCursorStp("STP_GETSTORELIST",CommandType.S toredProcedure, pmi,ref
ds);
}
else
{
GDAL Dal=new GDAL();
dsMenu =Dal.ExecDataSet ("STP_GETSTORELIST",
System.Data.CommandType.Text);
}
Obviously i don't want to do this.
"Nicholas Paldino [.NET/C# MVP]" <mv*@spam.guard.caspershouse.com> wrote in
message news:#r**************@TK2MSFTNGP09.phx.gbl... Yusef,
If you want transparency, then you aren't going to be able to return
the cursor from SQL server like that, as I am not sure it is supported by the framework.
I still don't understand why you can't just declare your stored procedure like this:
CREATE PROCEDURE STP_GETSTORELIST AS SELECT ID,STORE_NAME FROM T_INF_STORE ORDER BY STORE_NAME
This would make it more universally accessible, no?
Yusuf,
Right, but SQL Server doesn't support this construct, so if the oracle
SP was in this format as well, you could just wire up the SelectCommand
property of a DataAdapter with the command for the stored procedure, and
then populate a data set based on that.
--
- Nicholas Paldino [.NET/C# MVP]
- mv*@spam.guard.caspershouse.com
"Yusuf INCEKARA" <yi*******@mikrokom.com> wrote in message
news:%2****************@TK2MSFTNGP11.phx.gbl... Well this is the code where i call database :
MWSNS.ParamStruct[] pmi = new MWSNS.ParamStruct[1];
pmi[0].Direction = ParameterDirection.Output ;
pmi[0].ParamName = "@RETCUR";
pmi[0].DataType = DbType.Object ;
pmi[0].Value = DBNull.Value;
DAL Dal=new DAL();
Dal.ExecCursorStp("STP_GETSTORELIST",CommandType.S toredProcedure, pmi,ref ds); In GDAL if DataType is object it convert it to Oracle.Cursor (if provider is Oracle) or to SqlDbType.Variant (if provider is MSSQL)
return true;
It works with Oracle. If it works with MSSQL too i won't need any customization in my project.
If not i have to customize code like this :
if (provider==EnumProviders.ORACLE)
{
MWSNS.ParamStruct[] pmi = new MWSNS.ParamStruct[1];
pmi[0].Direction = ParameterDirection.Output ;
pmi[0].ParamName = "@RETCUR";
pmi[0].DataType = DbType.Object ;
pmi[0].Value = DBNull.Value;
GDAL Dal=new GDAL();
Dal.ExecCursorStp("STP_GETSTORELIST",CommandType.S toredProcedure, pmi,ref ds); }
else
{
GDAL Dal=new GDAL();
dsMenu =Dal.ExecDataSet ("STP_GETSTORELIST", System.Data.CommandType.Text);
}
Obviously i don't want to do this.
"Nicholas Paldino [.NET/C# MVP]" <mv*@spam.guard.caspershouse.com> wrote in message news:#r**************@TK2MSFTNGP09.phx.gbl... Yusef,
If you want transparency, then you aren't going to be able to return the cursor from SQL server like that, as I am not sure it is supported by the framework.
I still don't understand why you can't just declare your stored procedure like this:
CREATE PROCEDURE STP_GETSTORELIST AS SELECT ID,STORE_NAME FROM T_INF_STORE ORDER BY STORE_NAME
This would make it more universally accessible, no?
"Nicholas Paldino [.NET/C# MVP]" <mv*@spam.guard.caspershouse.com> wrote in
message news:#z**************@TK2MSFTNGP09.phx.gbl... Yusuf,
Right, but SQL Server doesn't support this construct, so if the oracle SP was in this format as well, you could just wire up the SelectCommand property of a DataAdapter with the command for the stored procedure, and then populate a data set based on that.
-- - Nicholas Paldino [.NET/C# MVP] - mv*@spam.guard.caspershouse.com
SQL server supports this construct.
CREATE PROCEDURE STP_GETSTORELIST_CURSOR_VERSION
@RETCUR CURSOR VARYING OUTPUT
AS
set @RETCUR = CURSOR
FORWARD_ONLY STATIC FOR
SELECT ID,STORE_NAME FROM T_INF_STORE
ORDER BY STORE_NAME
OPEN @RETCUR
it works fine. But this is not working in .net. I am harding to understand
why?
Also Oracle SP is not is this format too in native. You cannot do anyting in
oracle with returning cursor .
It is for supporting Java Developers. And .net is supporting this construct
too.
I just wondering why Microsoft support output cursors in Oracle but not in
their own database product .
And also i change my GDAL. If provider is MSSQL
it just ignore cursor output parameters.
Entire project does not need to change. I have solve it in GDAL.
"Nicholas Paldino [.NET/C# MVP]" <mv*@spam.guard.caspershouse.com> wrote in
message news:#z**************@TK2MSFTNGP09.phx.gbl... Yusuf,
Right, but SQL Server doesn't support this construct, so if the oracle SP was in this format as well, you could just wire up the SelectCommand property of a DataAdapter with the command for the stored procedure, and then populate a data set based on that.
-- - Nicholas Paldino [.NET/C# MVP] - mv*@spam.guard.caspershouse.com
"Yusuf INCEKARA" <yi*******@mikrokom.com> wrote in message news:%2****************@TK2MSFTNGP11.phx.gbl... Well this is the code where i call database :
MWSNS.ParamStruct[] pmi = new MWSNS.ParamStruct[1];
pmi[0].Direction = ParameterDirection.Output ;
pmi[0].ParamName = "@RETCUR";
pmi[0].DataType = DbType.Object ;
pmi[0].Value = DBNull.Value;
DAL Dal=new DAL();
Dal.ExecCursorStp("STP_GETSTORELIST",CommandType.S toredProcedure,
pmi,ref ds); In GDAL if DataType is object it convert it to Oracle.Cursor (if
provider is Oracle) or to SqlDbType.Variant (if provider is MSSQL)
return true;
It works with Oracle. If it works with MSSQL too i won't need any customization in my project.
If not i have to customize code like this :
if (provider==EnumProviders.ORACLE)
{
MWSNS.ParamStruct[] pmi = new MWSNS.ParamStruct[1];
pmi[0].Direction = ParameterDirection.Output ;
pmi[0].ParamName = "@RETCUR";
pmi[0].DataType = DbType.Object ;
pmi[0].Value = DBNull.Value;
GDAL Dal=new GDAL();
Dal.ExecCursorStp("STP_GETSTORELIST",CommandType.S toredProcedure,
pmi,ref ds); }
else
{
GDAL Dal=new GDAL();
dsMenu =Dal.ExecDataSet ("STP_GETSTORELIST", System.Data.CommandType.Text);
}
Obviously i don't want to do this.
"Nicholas Paldino [.NET/C# MVP]" <mv*@spam.guard.caspershouse.com> wrote in message news:#r**************@TK2MSFTNGP09.phx.gbl... Yusef,
If you want transparency, then you aren't going to be able to
return the cursor from SQL server like that, as I am not sure it is supported by
the framework.
I still don't understand why you can't just declare your stored procedure like this:
CREATE PROCEDURE STP_GETSTORELIST AS SELECT ID,STORE_NAME FROM T_INF_STORE ORDER BY STORE_NAME
This would make it more universally accessible, no?
Yusef,
Yes, SQL Server supports it, but the provider for SQL Server in .NET
doesn't support it. To that end, you will have to use something else if you
want to access it in .NET.
--
- Nicholas Paldino [.NET/C# MVP]
- mv*@spam.guard.caspershouse.com
"Yusuf INCEKARA" <yi*******@mikrokom.com> wrote in message
news:%2****************@TK2MSFTNGP12.phx.gbl... "Nicholas Paldino [.NET/C# MVP]" <mv*@spam.guard.caspershouse.com> wrote in message news:#z**************@TK2MSFTNGP09.phx.gbl... Yusuf,
Right, but SQL Server doesn't support this construct, so if the oracle SP was in this format as well, you could just wire up the SelectCommand property of a DataAdapter with the command for the stored procedure, and then populate a data set based on that.
-- - Nicholas Paldino [.NET/C# MVP] - mv*@spam.guard.caspershouse.com SQL server supports this construct. CREATE PROCEDURE STP_GETSTORELIST_CURSOR_VERSION @RETCUR CURSOR VARYING OUTPUT AS set @RETCUR = CURSOR FORWARD_ONLY STATIC FOR SELECT ID,STORE_NAME FROM T_INF_STORE ORDER BY STORE_NAME OPEN @RETCUR it works fine. But this is not working in .net. I am harding to understand why? Also Oracle SP is not is this format too in native. You cannot do anyting in oracle with returning cursor . It is for supporting Java Developers. And .net is supporting this construct too. I just wondering why Microsoft support output cursors in Oracle but not in their own database product .
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