Can A Query Accomplish This?

Dec 18, 2007

I'm looking to build a menu / sitemap out of my 2005 SQL Server database, an example of my table structure is:

ID PageTitle ParentID
=======================================
1 Home 0
2 About Us 1
3 Contact Us 1
4 About Us / Sub 1 2
5 About Us / Sub 2 2
6 About Us / LVL 3 5

So essentially this menu should display as follows:
Home
About Us
About Us / Sub 1
About Us / Sub 2
About Us / LVL 3
Contact Us

Is it possible to write a query that would output menu in that specific order?

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What Is The Best Way To Accomplish This...

Nov 29, 2006

I have a table and one of the fields is a datetime and named "Finish."  What I would like to do is when the value in Finish has expired ( FINISH < NOW ) to call a procedure and change the status to of this record.  I was thinking to set a MS SQL timer/delay on each row - but that does not seem pratical or is it?
 

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How To Accomplish This?

Jan 28, 2007

I'm a new user to SSIS and am trying to figure out something that I suspect may be very basic, but I'm having a hard time figuring it out.

I have a single table of "events" generated by an application. I will get a daily feed of these events. Events may be like so:

Event A Created
Event A Modified
Event A Property A Created
Event B Created
Event C Created
Event B Property A Modified
Event A Property B Created
Event C Voided
Event A Property A Closed
Event A Closed


In the end I want to create two tables like so:

Table 1:
Event A / Closed
Event B / Modified

(Event C is not here because it was voided, so any prior records of C are gone).

Table 2:
Event A / Property A / Closed
Event A / Property B / Created

(Only events with properties would be in this table).

In essence, I'm collapsing the transaction-based feed into normalized event-based and property-based tables, with only the latest "status" stored. These tables would be used to generate various other reports.

Obviously, as usual, the true situation is more complex than this but this simplified example covers my basic problem and I hope it can help someone to point me in the right direction.

"Events" can span over a day. It isn't practical to recreate the two sub-tables every day from scratch using SQL (and we don't want to do a complex query against the massive source table).

I would like to iterate over the new batch of events one record at a time. If I get an Event Created, then I will create a row in Table 1. If I get an Event Property Created, I will create a row in Table 2. Voids would cause a delete in both tables. Modifies of Events or Properties would cause the appropriate update in either table (Creates will always come before Modifies in the feed).

I tried using a Conditional Split, but I found that it appears to not go record-by-record, but instead prepares a list of records for each condition and then processes it in parallel... That was quite a shock. I expected it to go record-by-record and process things in order because I depend on "Create" to create the records that "Modifies" will update.

So my question is, is there a way to do what I am looking for in SSIS? Am I missing a simple setting to make Conditional Split process records in order?

Thanks for your help.

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Is There An Example To Accomplish The Following?

Aug 17, 2007

I am new to SSIS and I have been playing with it for the last couple of days. I would like to know if anybody can give me some feedback or point me in the right direction ( best by looking at an example ) to acomplish the following :

I have a table called Policy ( free foxpro table ). This table contain policy insurance information and also customer information. I would like to upload and normalize this table to an existing "PolicyAttributes" SQL Server 2005 table.
Also I would like to create a new record in the Customer table if there exist a customer in the policy Table, thus separating the customer information from Policy table ( normalizing the table ).


The policy table has a field called CustomerName_1 if it is empty then this policy does not have any cutomer, but if it has a name then I would like to insert a new record into the SQL Server Customer table and then get the unique number from the newly created record in Customer table and update it in the SQL Server Policy table ( let say CustomerID ). This way I can keep the relationship PolicyAttibutes --->Customer on the CustomerID field.



So basically here are the logical steps:

1.- Read Policy records from foxpro table
2.- insert record to SQL Server PolicyAttributes table
3.- for each customer name in the foxpro Policy table insert a new record in the SQL Server Customer table.
4.- Get the unique number from the new Customer record ( Primary Key of Customer record)
and update this number in the PolicyAttibutes field called CustomerID ( see above step 2 ).
This way I can keep my PolicyAttributes---->Customer relationship.



Also the foxpro Policy table can contain more than one customer. It can have up to 4 customers.
So if there are 4 customers then I will have to insert 4 records in the customer table.
CustomerName_1
CustomerName_2
CustomerName_3
CustomerName_4

Any help is greatly appreciated!!!!!!!!!!!!!!!!!!!!!!!!!!!!.

Thanks,
Sergio





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Mar 20, 2007

Hello,

I need to write a package the does the following, and not sure the best approach:

The package will read a list of stored procedure names stored in a table. Then, for each stored procedure name, I need to run the stored procedure and save the output to a named file.

That is, run sp1 and output to file sp1.txt. That is, I need the name to reflect the name of the stored procedure.

Also, each time I create the new output file, I need to delete the old named file.

I'm sure this is a fairly straightforward task, but not sure how to do the "dynamic" file naming part.

Any help appreciated!!

Thank you

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Aug 5, 2007

Hi folks,This is my first post on the SQL forum and maybe it's a dummy question but... i didn't figure it out.Also, i'm not sure if it's the right place for this type of questions, excuse me if i'm on the wrong spot.
Here we go: I'd like to have on my web sites some articles and bellow each article a list of "Related Articles".I started with something like this:

After that, i noticed that i have an "One to Many" relationship between the 2 tables (fields ArticleID) but, if i try to create another relationship like ArticleRelated.ArtigleRelatedID -> Articles.ArticleID it will looks like a circle between the 2 tables and i'm not sure if it's the best way (even if it will work).
Before somebody ask "Wy do i need this third relationship", besides other good reasons, i'm using "LINQ To SQL" and i just drag and drop the tables to the designer window and it automatically create classes and colections based on the existent relationship.I appreciate any help.

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Mar 17, 2004

I have tried and tried but I get all types of errors.Someone I hope has done this and perhaps can explain in more detail how to get this done.
I have my Store Procedure....
I added output to the data I will be needing. at the bottom I added my code....I need to some how run this procedure...Get all the info in the select statement and display it in a form.I want to use a variable for each field...Ihave no clue why my code does not work...
CREATE procedure dbo.App_Login_NET
(
@LoginName nvarchar(15),
@Password NvarChar(15)
)
as
select
UserName OUTPUT,
UserPassword OUTPUT,
UserClinic OUTPUT,
UserTester OUTPUT
from
Clinic_users
where
UserName = @LoginName
and
UserPassword = @Password
GO

When I type in a 'correct Username/Password' it gives me this error
Procedure or function Appt_Login_NET has too many arguments specified. I just want to contain the values in separte variables for later use...Also how do you use rowcount????


my Code

Private Sub Button1_ServerClick(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.ServerClick
Dim con As New SqlConnection("Server=myserver;database=APPOINTMENTS;uid=webtest;pwd=webtest")
Dim cmd As New String("Appt_Login_NET")
Dim mycommand As New SqlCommand(cmd, con)

mycommand.CommandType = CommandType.StoredProcedure

mycommand.Parameters.Add("@LoginName", SqlDbType.NVarChar, 12)
mycommand.Parameters("@LoginName").Direction = ParameterDirection.Input
mycommand.Parameters("@LoginName").Value = txtUser.Value
mycommand.Parameters.Add("@Password", SqlDbType.NVarChar, 12)
mycommand.Parameters("@Password").Direction = ParameterDirection.Input
mycommand.Parameters("@Password").Value = txtPass.Value
mycommand.Parameters.Add("UserClinic", SqlDbType.Int)
mycommand.Parameters("UserClinic").Direction = ParameterDirection.Output

con.Open()
mycommand.ExecuteNonQuery()
'str = cmd.Parameters("UserClinic").Value
Label1.Text = mycommand.Parameters("UserClinic").Value
con.Close()

End Sub

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Apr 20, 2007

I'm trying to find if there is a combination of dataflow transformations that will produce the following result



SELECT

period,

project,

task,

employee = CASE

when empid in (SELECT DISTINCT empid FROM EmpTable) then empid

else 'Deleted Employee'

end

FROM ProjectTable



I know I can create a dataflow task with this query as a data source and then send it to a destination, but I was wondering if that is the best way to do it or if there was a better way to do this using the data transformations available in SSIS.



Any insight would be most appreciated.



Regards,

Bill Webster

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Aug 20, 2007

I am getting an error, "Set property Devices to accomplish this action." when doing a backup with SQL Server 2005 Express when I try to do a full (or Differential) backup through the SQL Server Management Studio. I'm using the backup defaults in the GUI and was able to back up the database a couple of days ago without any problem. Today (second time) it just comes up with this error and I have been able to find anything that talks about what it might be.

I tired to look at the script by using the "Script action to new query, file, clipboard, etc." but it fails before it creates the script in any destination. I've rebooted the server and that didn't help.

I found one similar post on this forum but it had no resolution. Any direction on this problem would be greatly appreciated.

Thank you,

Steve

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Subject line pretty much sums up the question.

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Dec 19, 2003

I'm running a query, actually its an insert that works when using the TSQL below.

However when I try to use the debugger to step through and using the exact same values as those below I get the following error:

[Microsoft][ODBC SQL Server Driver]Invalid character value for cast specification

Its Killing me because everything else works, but this. Can somebody help.


DECLARE @NoteID INT,-- NULL OUTPUT,
@Note_Description NVARCHAR(3000),-- = NULL,
@Date DateTime,-- = NULL OUTPUT,
@ByWho NVARCHAR(30),-- = NULL,
@FK_Action_Performed NVARCHAR(40),-- = NULL,
@FK_UserID INT,-- = NULL,
@FK_JobID INT,-- = NULL,
@Job_Date DateTime,-- = NULL,
@Start DateTime,-- = NULL,
@Finish DateTime,-- = NULL,

@BeenRead NVARCHAR(10),-- = NULL

@FK_UserIDList NVARCHAR(4000)-- = NULL


--SET @NoteID = 409 --NULL OUTPUT,
SET @Note_Description = 'Tetsing'
--SET @Date DateTime = NULL OUTPUT,
SET @ByWho = 'GeorgeAgaian'
SET @FK_Action_Performed = 'Worked hard'
SET @FK_UserID = 5
SET @FK_JobID = 29
SET @Job_Date = 28/01/03
SET @Start = '1:00:20 PM'
SET @Finish = '1:00:20 PM'
SET @BeenRead = 'UnRead'

SET @FK_UserIDList = '1,2,3'


--AS

--SET NOCOUNT ON


SET NOCOUNT ON

SET XACT_ABORT ON

BEGIN TRANSACTION

SET @Date = GETDATE()

-- Insert Values into the customer table
INSERT Note (Note_Description,
Date,
ByWho,
FK_Action_Performed,
FK_UserID,
FK_JobID,
Job_Date,
Start,
Finish)

SELECT --@NoteID,
@Note_Description,
@Date,
@ByWho,
@FK_Action_Performed,
@FK_UserID,
@FK_JobID,

@Job_Date,
@Start,
@Finish

-- Get the new Customer Identifier, return as OUTPUT param
SELECT @NoteID = @@IDENTITY


-- Insert new notes for all the users that the note pertains to, in this case this will be by the assigned
-- users.
IF @FK_UserIDList IS NOT NULL
EXECUTE spInsertNotesByAssignedUsers @NoteID, @FK_UserIDList

-- Insert New Address record
-- Retrieve Address reference into @AddressId
-- EXEC spInsertForUserNote
-- @FK_UserID,
--@NoteID,
-- @BeenRead
-- @Fax,
-- @PKId,
-- @AddressId OUTPUT

COMMIT TRANSACTION

--------------------------------------------------
GO

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SELECT DATEADD(ms, - 3, DATEADD(mm, DATEDIFF(m, 0, CAST('12/20/2006' AS datetime)) + 1, 0)) AS Expr1
FROM testsupplierSCNCR
I am getting the result of 01/01/2007

but in query analizer I get the result of

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May 24, 2007

SQL Server 2005 9.0.3161 on Win 2k3 R2



I receive the following error:



"Error: 8624, Severity: 16, State: 1 Internal Query Processor Error: The query processor could not produce a query plan. For more information, contact Customer Support Services."



I have traced this to an insert statement that executes as part of a stored procedure.



INSERT INTO ledger (journal__id, account__id,account_recv_info__id,amount)

VALUES (@journal_id, @acct_id, @acct_recv_id, @amount)



There is also an auto-increment column called id. There are FK contraints on all of the columns ending in "__id". I have found that if I remove the contraint on account__id the procedure will execute without error. None of the other constraints seem to make a difference. Of course I don't want to remove this key because it is important to the database integrity and should not be causing problems, but apparently it confuses the optimizer.



Also, the strange thing is that I can get the procedure to execute without error when I run it directly through management studio, but I receive the error when executing from .NET code or anything using ODBC (Access).

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Mar 28, 2007

Hey, i've written a query to search a database dependant on variables chosen by user etc etc. Opened up a new sqldatasource, entered the query shown below and went on to the test query page. Entered some test variables, everything works as it should do. Try to get it to show in a datagrid on a webpage - nothing. No data shows.
 SELECT dbo.DERIVATIVES.DERIVATIVE_ID, count(*) AS Matches
FROM dbo.MAKES INNER JOIN
dbo.MODELS ON dbo.MAKES.MAKE_ID = dbo.MODELS.MAKE_ID INNER JOIN
dbo.DERIVATIVES ON dbo.MODELS.MODEL_ID = dbo.DERIVATIVES.MODEL_ID INNER JOIN
dbo.[VALUES] ON dbo.DERIVATIVES.DERIVATIVE_ID = dbo.[VALUES].DERIVATIVE_ID INNER JOIN
dbo.ATTRIBUTES ON dbo.[VALUES].ATTRIBUTE_ID = dbo.ATTRIBUTES.ATTRIBUTE_ID
WHERE ((ATTRIBUTES.ATTRIBUTE_ID = @ATT_ID1 and (@VAL1 is null or VALUE = @VAL1)) or
(ATTRIBUTES.ATTRIBUTE_ID = @ATT_ID2 and (@VAL2 is null or VALUE = @VAL2)) or
(ATTRIBUTES.ATTRIBUTE_ID = @ATT_ID3 and (@VAL3 is null or VALUE = @VAL3)) or
(ATTRIBUTES.ATTRIBUTE_ID = @ATT_ID4 and (@VAL4 is null or VALUE = @VAL4)) )
GROUP BY dbo.DERIVATIVES.DERIVATIVE_ID
HAVING count(*) >= CASE WHEN @VAL1 IS NOT NULL THEN 1 ELSE 0 END +
CASE WHEN @VAL2 IS NOT NULL THEN 1 ELSE 0 END +
CASE WHEN @VAL3 IS NOT NULL THEN 1 ELSE 0 END +
CASE WHEN @VAL4 IS NOT NULL THEN 1 ELSE 0 END -2
ORDER BY count(*) DESC

 Here is the page source
 
<%@ Page Language="VB" MasterPageFile="~/MasterPage.master" Title="Untitled Page" %>
<asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server">
<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:DevConnectionString1 %>"
SelectCommand="&#9;SELECT dbo.DERIVATIVES.DERIVATIVE_ID, count(*) AS Matches&#13;&#10;&#9;FROM dbo.MAKES INNER JOIN&#13;&#10;&#9;&#9;&#9;&#9; dbo.MODELS ON dbo.MAKES.MAKE_ID = dbo.MODELS.MAKE_ID INNER JOIN&#13;&#10;&#9;&#9;&#9;&#9; dbo.DERIVATIVES ON dbo.MODELS.MODEL_ID = dbo.DERIVATIVES.MODEL_ID INNER JOIN&#13;&#10;&#9;&#9;&#9;&#9; dbo.[VALUES] ON dbo.DERIVATIVES.DERIVATIVE_ID = dbo.[VALUES].DERIVATIVE_ID INNER JOIN&#13;&#10;&#9;&#9;&#9;&#9; dbo.ATTRIBUTES ON dbo.[VALUES].ATTRIBUTE_ID = dbo.ATTRIBUTES.ATTRIBUTE_ID&#13;&#10;&#9;WHERE ((ATTRIBUTES.ATTRIBUTE_ID = @ATT_ID1 and (@VAL1 is null or VALUE = @VAL1)) or&#13;&#10;&#9;&#9; (ATTRIBUTES.ATTRIBUTE_ID = @ATT_ID2 and (@VAL2 is null or VALUE = @VAL2)) or&#13;&#10;&#9;&#9; (ATTRIBUTES.ATTRIBUTE_ID = @ATT_ID3 and (@VAL3 is null or VALUE = @VAL3)) or&#13;&#10;&#9;&#9; (ATTRIBUTES.ATTRIBUTE_ID = @ATT_ID4 and (@VAL4 is null or VALUE = @VAL4)) )&#13;&#10;&#9;GROUP BY dbo.DERIVATIVES.DERIVATIVE_ID&#13;&#10;&#9;HAVING count(*) >= CASE WHEN @VAL1 IS NOT NULL THEN 1 ELSE 0 END +&#13;&#10;&#9;&#9;&#9;&#9;&#9;&#9;&#9;&#9;&#9; CASE WHEN @VAL2 IS NOT NULL THEN 1 ELSE 0 END +&#13;&#10;&#9;&#9;&#9;&#9;&#9;&#9;&#9;&#9;&#9; CASE WHEN @VAL3 IS NOT NULL THEN 1 ELSE 0 END +&#13;&#10;&#9;&#9;&#9;&#9;&#9;&#9;&#9;&#9;&#9; CASE WHEN @VAL4 IS NOT NULL THEN 1 ELSE 0 END -2&#13;&#10;&#9;ORDER BY count(*) DESC&#13;&#10;">
<SelectParameters>
<asp:ControlParameter ControlID="DropDownList1" Name="ATT_ID1" PropertyName="SelectedValue" />
<asp:ControlParameter ControlID="TextBox1" Name="VAL1" PropertyName="Text" />
<asp:Parameter Name="ATT_ID2" />
<asp:Parameter Name="VAL2" />
<asp:Parameter Name="ATT_ID3" />
<asp:Parameter Name="VAL3" />
<asp:Parameter Name="ATT_ID4" />
<asp:Parameter Name="VAL4" />
</SelectParameters>
</asp:SqlDataSource>
<asp:SqlDataSource ID="SqlDataSource2" runat="server" ConnectionString="<%$ ConnectionStrings:DevConnectionString1 %>"
SelectCommand="SELECT * FROM [ATTRIBUTES]"></asp:SqlDataSource>
<br />
<asp:DropDownList ID="DropDownList1" runat="server" DataSourceID="SqlDataSource2"
DataTextField="ATTRIBUTE_NAME" DataValueField="ATTRIBUTE_ID">
</asp:DropDownList>
<asp:TextBox ID="TextBox1" runat="server" AutoPostBack="True"></asp:TextBox><br />
<br />
<br />
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" DataKeyNames="DERIVATIVE_ID"
DataSourceID="SqlDataSource1">
<Columns>
<asp:BoundField DataField="DERIVATIVE_ID" HeaderText="DERIVATIVE_ID" InsertVisible="False"
ReadOnly="True" SortExpression="DERIVATIVE_ID" />
<asp:BoundField DataField="Matches" HeaderText="Matches" ReadOnly="True" SortExpression="Matches" />
</Columns>
</asp:GridView>
</asp:Content>
 AFAIK I have configured the source to pick up the dropdownlist value and the textbox value (the text box is autopostback).
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 Please help!
 
(Visual Web Devleoper 2005 Express and SQL Server Management Studio Express)
 

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Daniel Buchanan.



If this was the wrong forum to post this on, please move this question to the correct one. I need this answer soon.

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• We are using the last version of Excel Add-in

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===================================
Sequence contains no elements
------------------------------
Program Location:
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[code]....

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set nocount on
go
if object_id('tempdb.dbo.#t1') IS NOT NULL drop table #t1
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Hello everybody,



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declare @where as nvarchar(2000)



set @sql = 'select ....'



If <conditional1>

begin

set @where = 'some where'

end



If <conditional2>

begin

set @where = 'some where'

end



set @sql = @sql + @where



exec(@sql)



I run it in query analyser and works fine, but when I try to run in Reporting Services, Visual studio stops responding and the cpu reaches 100 %.



I realize that when I cut off the if clauses, then it works at Reporting services.

Does anybody know what is happening?

Why the query works in query analyser and doesn't work in Reporting Service ?



Thanks,



Maurício

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USE [Northwind]

GO

/****** Object: StoredProcedure [dbo].[SalesByCategory] Script Date: 03/25/2008 08:31:09 ******/

SET ANSI_NULLS ON

GO

SET QUOTED_IDENTIFIER ON

GO

CREATE PROCEDURE [dbo].[SalesByCategory]

@CategoryName nvarchar(15), @OrdYear nvarchar(4) = '1998'

AS

IF @OrdYear != '1996' AND @OrdYear != '1997' AND @OrdYear != '1998'

BEGIN

SELECT @OrdYear = '1998'

END

SELECT ProductName,

TotalPurchase=ROUND(SUM(CONVERT(decimal(14,2), OD.Quantity * (1-OD.Discount) * OD.UnitPrice)), 0)

FROM [Order Details] OD, Orders O, Products P, Categories C

WHERE OD.OrderID = O.OrderID

AND OD.ProductID = P.ProductID

AND P.CategoryID = C.CategoryID

AND C.CategoryName = @CategoryName

AND SUBSTRING(CONVERT(nvarchar(22), O.OrderDate, 111), 1, 4) = @OrdYear

GROUP BY ProductName

ORDER BY ProductName

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
From an ADO.NET 2.0 book, I copied the code of ConnectionPoolingForm to my VB 2005 Express. The following is part of the code:

Imports System.Collections.Generic

Imports System.ComponentModel

Imports System.Drawing

Imports System.Text

Imports System.Windows.Forms

Imports System.Data

Imports System.Data.SqlClient

Imports System.Data.Common

Imports System.Diagnostics

Public Class ConnectionPoolingForm

Dim _ProviderFactory As DbProviderFactory = SqlClientFactory.Instance

Public Sub New()

' This call is required by the Windows Form Designer.

InitializeComponent()

' Add any initialization after the InitializeComponent() call.

'Force app to be available for SqlClient perf counting

Using cn As New SqlConnection()

End Using

InitializeMinSize()

InitializePerfCounters()

End Sub

Sub InitializeMinSize()

Me.MinimumSize = Me.Size

End Sub

Dim _SelectedConnection As DbConnection = Nothing

Sub lstConnections_SelectedIndexChanged(ByVal sender As Object, ByVal e As EventArgs) Handles lstConnections.SelectedIndexChanged

_SelectedConnection = DirectCast(lstConnections.SelectedItem, DbConnection)

EnableOrDisableButtons(_SelectedConnection)

End Sub

Sub DisableAllButtons()

btnAdd.Enabled = False

btnOpen.Enabled = False

btnQuery.Enabled = False

btnClose.Enabled = False

btnRemove.Enabled = False

btnClearPool.Enabled = False

btnClearAllPools.Enabled = False

End Sub

Sub EnableOrDisableButtons(ByVal cn As DbConnection)

btnAdd.Enabled = True

If cn Is Nothing Then

btnOpen.Enabled = False

btnQuery.Enabled = False

btnClose.Enabled = False

btnRemove.Enabled = False

btnClearPool.Enabled = False

Else

Dim connectionState As ConnectionState = cn.State

btnOpen.Enabled = (connectionState = connectionState.Closed)

btnQuery.Enabled = (connectionState = connectionState.Open)

btnClose.Enabled = btnQuery.Enabled

btnRemove.Enabled = True

If Not (TryCast(cn, SqlConnection) Is Nothing) Then

btnClearPool.Enabled = True

End If

End If

btnClearAllPools.Enabled = True

End Sub

Sub StartWaitUI()

Me.Cursor = Cursors.WaitCursor

DisableAllButtons()

End Sub

Sub EndWaitUI()

Me.Cursor = Cursors.Default

EnableOrDisableButtons(_SelectedConnection)

End Sub

Sub SetStatus(ByVal NewStatus As String)

RefreshPerfCounters()

Me.statusStrip.Items(0).Text = NewStatus

End Sub

Sub btnConnectionString_Click(ByVal sender As Object, ByVal e As EventArgs) Handles btnConnectionString.Click

Dim strConn As String = txtConnectionString.Text

Dim bldr As DbConnectionStringBuilder = _ProviderFactory.CreateConnectionStringBuilder()

Try

bldr.ConnectionString = strConn

Catch ex As Exception

MessageBox.Show(ex.Message, "Invalid connection string for " + bldr.GetType().Name, MessageBoxButtons.OK, MessageBoxIcon.Error)

Return

End Try

Dim dlg As New ConnectionStringBuilderDialog()

If dlg.EditConnectionString(_ProviderFactory, bldr) = System.Windows.Forms.DialogResult.OK Then

txtConnectionString.Text = dlg.ConnectionString

SetStatus("Ready")

Else

SetStatus("Operation cancelled")

End If

End Sub

Sub btnAdd_Click(ByVal sender As Object, ByVal e As EventArgs) Handles btnAdd.Click

Dim blnError As Boolean = False

Dim strErrorMessage As String = ""

Dim strErrorCaption As String = "Connection attempt failed"

StartWaitUI()

Try

Dim cn As DbConnection = _ProviderFactory.CreateConnection()

cn.ConnectionString = txtConnectionString.Text

cn.Open()

lstConnections.SelectedIndex = lstConnections.Items.Add(cn)

Catch ex As Exception

blnError = True

strErrorMessage = ex.Message

End Try

EndWaitUI()

If blnError Then

SetStatus(strErrorCaption)

MessageBox.Show(strErrorMessage, strErrorCaption, MessageBoxButtons.OK, MessageBoxIcon.Error)

Else

SetStatus("Connection opened succesfully")

End If

End Sub

Sub btnOpen_Click(ByVal sender As Object, ByVal e As EventArgs) Handles btnOpen.Click

StartWaitUI()

Try

_SelectedConnection.Open()

EnableOrDisableButtons(_SelectedConnection)

SetStatus("Connection opened succesfully")

EndWaitUI()

Catch ex As Exception

EndWaitUI()

Dim strErrorCaption As String = "Connection attempt failed"

SetStatus(strErrorCaption)

MessageBox.Show(ex.Message, strErrorCaption, MessageBoxButtons.OK, MessageBoxIcon.Error)

End Try

End Sub

Sub btnQuery_Click(ByVal sender As Object, ByVal e As EventArgs) Handles btnQuery.Click

Dim queryDialog As New QueryDialog()

If queryDialog.ShowDialog() = System.Windows.Forms.DialogResult.OK Then

Me.Cursor = Cursors.WaitCursor

DisableAllButtons()

Try

Dim cmd As DbCommand = _SelectedConnection.CreateCommand()

cmd.CommandText = queryDialog.txtQuery.Text

Using rdr As DbDataReader = cmd.ExecuteReader()

If rdr.HasRows Then

Dim resultsForm As New QueryResultsForm()

resultsForm.ShowResults(cmd.CommandText, rdr)

SetStatus(String.Format("Query returned {0} row(s)", resultsForm.RowsReturned))

Else

SetStatus(String.Format("Query affected {0} row(s)", rdr.RecordsAffected))

End If

Me.Cursor = Cursors.Default

EnableOrDisableButtons(_SelectedConnection)

End Using

Catch ex As Exception

Me.Cursor = Cursors.Default

EnableOrDisableButtons(_SelectedConnection)

Dim strErrorCaption As String = "Query attempt failed"

SetStatus(strErrorCaption)

MessageBox.Show(ex.Message, strErrorCaption, MessageBoxButtons.OK, MessageBoxIcon.Error)

End Try

Else

SetStatus("Operation cancelled")

End If

End Sub
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
I executed the code successfully and I got a box which asked for "Enter the query string".
I typed in the following: EXEC dbo.SalesByCategory @Seafood. I got the following box: Query attempt failed. Must declare the scalar variable "@Seafood". I am learning how to enter the string for the "SQL query programed in the subQuery_Click(ByVal sender As Object, ByVal e As EventArgs) Handles btnQuery.Click" (see the code statements listed above). Please help and tell me what I missed and what I should put into the query string to get the information of the "Seafood" category out.

Thanks in advance,
Scott Chang

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