Use VB DLL In A Stores Procedure?

Feb 14, 1999

I read in a technical journal (somewhere) that it is possible to create a ActiveX DLL in Visual Basic and use the DLL in a stored procedure. There were some limitations (because of stored procedures) but this is still a very powerful feature. Has anyone ever heard of this or read about this? Is there s source for explanation and examples?

Thanks, Rich.

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Stores Procedure

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I am trying to select the HdwId value of a table named "tblHdw" and trying to insert it into the HwdId field in a table named "tblLoc". 

If you have any suggestions?

Thanks,
MattyPee

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Nov 24, 2003

I have a Stored Procedure that I am calling from ADO 2.7 in Visual Basic. The process works fine when the stored procedure has records to return. However , when the recordset is return emtpy ADO does not recognize the recordset as being open and empty. For example:
VB Code to open recordset:
Set rstClass1 = New ADODB.Recordset
With rstClass1
.CursorLocation = adUseServer
Set .ActiveConnection = DBConn
.Source = strRecordSource
.LockType = adLockOptimistic
.CursorType = adOpenKeyset
.Open
If Not .EOF Or Not .BOF Then

The program bombs on the If Not .EOF statement with Error 3704 -
"Operation is not allowed when the object is closed.


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Is there a command or a certain method to construct my SP so that is will return enough for ADO to know that the recordset did open its just empty?

The SP is ugly looking but I will post if need be.

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Feb 23, 2004

I used Datagrid to show "Title", "Location" and "Date", It works very well.
I want to sort DataGrid data, that is when user click the "Title", "Location" or "Date",
my asp.net code will through class and send "Sort" parameter to stores procedure to get the new data and bind to DataGrid.

Here is my stores procedure:

CREATE Procedure JobSearch
(
@Search varchar(150),
@Sort varchar(50)
)
AS

SELECT
JobTitle,
JobLocationCity,
JobLocationState,
PostDate

FROM
Job

WHERE
JobTitle LIKE '%' + @Search + '%'
OR
JobKeywords LIKE '%' + @Search + '%'

IF @Sort = "Title"
ORDER BY JobTitle
IF @Sort = "Location"
ORDER BY JobLocationState, JobLocationCity
IF @Sort = "PostDate"
ORDER BY PostDate DESC

When I test stores procedure in SQL Server, I got the error about "Error 156: Incorrect syntax near the keyword 'ORDER' ".

Who has experience about stores procedure, please help me to correct this error.

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Must declare the scalar variable "@commnets".
)

quote:
CREATE PROCEDURE [dbo].[CheckPatientComments] (@enc_id varchar(36) OUTPUT, @data_ind CHAR(1) OUTPUT)
AS
BEGIN
DECLARE
@comments varchar(255)

[code]....

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Hi There

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WAITFOR (

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@MessageType = message_type_name,

@Message = message_body

FROM [Queue1]

WHERE conversation_handle = @ConversationHandle

), timeout 5000;

If this sql in an activated sp do you really have to have the waitfor ? Since the sp will only be fired if there is a message on the queue ?

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Thanx

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4,5,6,,{LF}
7,8,9,,{LF}
{CR}

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OnHand OnOrder
2015/04/22 18   1 - Concord
12
     0
2015/04/23 11   1 - Concord
11
 
[code]....

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I have logging turned on and that's working great. I've read about assigning results to a user variable of type Object and that's great. I can shred my results, thanks Jamie, with a Foreach loop no problem. Within that loop, I've got some VB that manipulates the values and will call Dts.Events.FireError as appropriate. However, VB is frowned upon here so my boss has asked that I push the VB logic into a Control Flow item.

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Code Block
Variables _variableCollection = null;
if (variableDispenser.Contains("ErrorResultSet"))
{
variableDispenser.LockForRead("ErrorResultSet");
}
variableDispenser.GetVariables(ref _variableCollection);

// Iterate through the variables that we were
// able to lock. Assigning values to entities as
// available.
foreach (Variable _en in _variableCollection)
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Object _rs = _en.Value;
System.Type _type;
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System.Data.DataSet _realResults;
_realResults = _rs as System.Data.DataSet;
// My expectation is that the cast of _realResults would
// not fail.
break;
}
}
// unlock before we go
_variableCollection.Unlock();
return DTSExecResult.Success;







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select * From sys.dm_db_index_physical_stats(9,343,null,null,'DETAILED')
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levelavg_fragmentation_in_percentfragment_countavg_fragment_size_in_pagespage_countavg_page_
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When I run the report I select a startdate, enddate and username. I click the View Report button and get the same results for any one of the usernames I pick which is wrong.

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Hi there.
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I'm told that it's due to the conversion formula - but - since SQL is not my native language, I'm at a bit of a loss.

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Stored procedure:

Alter PROCEDURE [dbo].[sp_GetIdeaByCategory]
@CatId <span class="kwd">int</span> = 0
AS
BEGIN
SET NOCOUNT ON;

Select I.*, C.*, U.* From Idea I inner join IdeaCategory C on I.CategoryID = C.IdeaCategoryID inner join Users U on I.UserID = U.UserID Where I.CategoryID = @CatId Order By LastModifiedDate Desc
End


oDataSource.ConnectionString = constr;
oDataSource.SelectCommand = storedProc;<span class="cmt">//storedproc - sp_GetIdeaByCategory</span>
oDataSource.SelectCommandType = SqlDataSourceCommandType.StoredProcedure;
oDataSource.SelectParameters.Add(<span class="st">&quot;@CatId&quot;</span>, catId);
gdvCategories.DataSourceID = oDataSource.ID;

gdvCategories.DataBind(); &lt;&lt;--- Error occured here


 

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...??

any ideas?
thanks

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I changed the procdure to do nothing (return 1 in first line).

So with all parameters set from

command.ExecuteNonQuery()to
create proc usp_Proc1
@myTable myTable read only
begin
return 1
end

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SP:StmtCompleted -- Encrypted Text.

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AS
BEGIN

DECLARE CURSOR HardDisk_Cursor
FOR Exec xp_FixedDrives
-- The cursor needs a SELECT Statement and no accepts an Stored Procedure as Data Source

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I am building a stored procedure that changes based on the data that is available to the query. See below.
The query fails on line 24, I have the line highlighted like this.
Can anyone point out any problems with the sql?

------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------
This is the error...


Msg 8114, Level 16, State 5, Procedure sp_SearchCandidatesAdvanced, Line 24

Error converting data type varchar to numeric.

------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------
This is the exec point...


EXEC [dbo].[sp_SearchCandidatesAdvanced]

@LicenseType = 4,

@PositionType = 4,

@BeginAvailableDate = '10/10/2006',

@EndAvailableDate = '10/31/2007',

@EmployerLatitude = 29.346675,

@EmployerLongitude = -89.42251,

@Radius = 50

GO

------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------
This is the STORED PROCEDURE...


set ANSI_NULLS ON

set QUOTED_IDENTIFIER ON

go



ALTER PROCEDURE [dbo].[sp_SearchCandidatesAdvanced]

@LicenseType int = 0,

@PositionType int = 0,

@BeginAvailableDate DATETIME = NULL,

@EndAvailableDate DATETIME = NULL,

@EmployerLatitude DECIMAL(10, 6),

@EmployerLongitude DECIMAL(10, 6),

@Radius INT


AS


SET NOCOUNT ON


DECLARE @v_SQL NVARCHAR(2000)

DECLARE @v_RadiusMath NVARCHAR(1000)

DECLARE @earthRadius DECIMAL(10, 6)


SET @earthRadius = 3963.191


-- SET @EmployerLatitude = 29.346675

-- SET @EmployerLongitude = -89.42251

-- SET @radius = 50


SET @v_RadiusMath = 'ACOS((SIN(PI() * ' + @EmployerLatitude + ' / 180 ) * SIN(PI() * p.CurrentLatitude / 180)) + (COS(PI() * ' + @EmployerLatitude + ' / 180) * COS(PI() * p.CurrentLatitude / 180) * COS(PI()* p.CurrentLongitude / 180 - PI() * ' + @EmployerLongitude + ' / 180))) * ' + @earthRadius




SELECT @v_SQL = 'SELECT p.*, p.CurrentLatitude, p.CurrentLongitude, ' +

'Round(' + @v_RadiusMath + ', 0) AS Distance ' +

'FROM ProfileTable_1 p INNER JOIN CandidateSchedule c on p.UserId = c.UserId ' +

'WHERE ' + @v_RadiusMath + ' <= ' + @Radius


IF @LicenseType <> 0

BEGIN

SELECT @v_SQL = @v_SQL + ' AND LicenseTypeId = ' + @LicenseType

END


IF @PositionType <> 0

BEGIN

SELECT @v_SQL = @v_SQL + ' AND Position = ' + @PositionType

END


IF LEN(@BeginAvailableDate) > 0

BEGIN

SELECT @v_SQL = @v_SQL + ' AND Date BETWEEN ' + @BeginAvailableDate + ' AND ' + @EndAvailableDate

END


--SELECT @v_SQL = @v_SQL + 'ORDER BY CandidateSubscriptionEmployerId DESC, CandidateFavoritesEmployerId DESC, Distance'


PRINT(@v_SQL)

EXEC(@v_SQL)


-----------------------------------------------------------------------------------------------------------------

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Has anyone encountered this before?
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It seems that my code is not passing the parameter to the stored procedure.
When I click this hyperlink:
<asp:HyperLink
ID="HyperLink1"
Runat="server"
NavigateUrl='<%# "../Division.aspx?CountryID=" + Eval("CountryID")%>'
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ToolTip='<%# Eval("Description") %>'
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</asp:HyperLink>
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I am passing the country id like this.
protected void Page_Load(object sender, EventArgs e)
{
PopulateControls();
}
private void PopulateControls()
{
string countryId = Request.QueryString["CountryID"];
if (countryId != null)
{
CountryDetails cd = DivisionAccess.GetCountryDetails(countryId);
divisionNameLabel.Text = cd.Name;
divisionDescriptionLabel.Text = cd.Description;
}
}
To my app code like this:
public struct CountryDetails
{
public string Name;
public string Description;
}
public static class DivisionAccess
{
static DivisionAccess()
public static DataTable GetCountry()
{
DbCommand comm = GenericDataAccess.CreateCommand();
comm.CommandText = "GetCountry";
return GenericDataAccess.ExecuteSelectCommand(comm);
}
public static CountryDetails GetCountryDetails(string cId)
{
DbCommand comm = GenericDataAccess.CreateCommand();
comm.CommandText = "GetCountryDetails";
DbParameter param = comm.CreateParameter();
param.ParameterName = "@CountryID";
param.Value = 2;
param.DbType = DbType.Int32;
comm.Parameters.Add(param);
DataTable table = GenericDataAccess.ExecuteSelectCommand(comm);
CountryDetails details = new CountryDetails();
if (table.Rows.Count > 0)
{
details.Name = table.Rows[0]["Name"].ToString();
details.Description = table.Rows[0]["Description"].ToString();
}
return details;
}
 
As you can see I have two stored procedures I am calling, one does not have a parameter and the other does. The getcountry stored procedure returns the list of countries in a menu that I can click to see the details of that country. That is where my problem is when I click the country name I get
Procedure or Function 'GetCountryDetails' expects parameter '@CountryID', which was not supplied
Someone please help!
 
Thanks Nickdel68

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(Could Not Find Stored Procedure ''.) When Calling A User Defined Procedure

Feb 4, 2008

Hi,I'm tring to call a stored procedure i'v made from a DNN module, via .net control.When I try to execute this sql statement: EXEC my_proc_name 'prm_1', 'prm_2', ... the system displays this error: Could not find stored procedure ''. (including the trailings [".] chars :)I've tried to run the EXEC statement from SqlServerManagement Studio, and seems to works fine, but sometimes it displays the same error. So i've added the dbname and dbowner as prefix to my procedure name in the exec statement and then in SqlSrv ManStudio ALWAYS works, but in dnn it NEVER worked... Why? I think it could be a db permission problem but i'm not able to fix this trouble, since i'm not a db specialist and i don't know which contraint could give this problem. Also i've set to the ASPNET user the execute permissions for my procedure... nothing changes :( Shoud someone could help me? Note that I'm using a SqlDataSource object running the statement with the select() method (and by setting the appropriate SelectCommandType = SqlDataSourceCommandType.StoredProcedure ) and I'm using the 2005 sql server express Thank in advance,(/d    

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Jan 12, 2007

For some reason, I run a stored procedure in Query Analyzer and it works fine. When I run the very same procedure in MS access by clicking on its link I have to run it twice. The first run gives me the message that the stored procedure ran correctly but returned no records. The second run gives me the correct number of records but I have to run it twice. I am running month-to-month data. The first run is Jan thru March. Jan and Feb have no records so I run three months on the first set. The ensuing runs are individual months from April onward. The output is correct but any ideas on why I have to do it twice in Access? I am a bit new to stored procedures but my supervisor assures me that it should be exactly the same.

ddave

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Hi All

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