Retrieving Data

Jun 15, 2004

Hi





I've got a module that contains the following function.


Imports System.Data.SqlClient





Module SQL_Sprocs


Function ListUsers()





Dim conn As New SqlConnection(System.Configuration.ConfigurationSettings.AppSettings("DBConn"))








Dim cmd As SqlCommand = New SqlCommand("list_users", conn)


cmd.CommandType = CommandType.StoredProcedure


conn.Open()





Dim dr As SqlDataReader





dr = cmd.ExecuteReader





ListUsers = dr





dr.Close()


conn.Close()





End Function


End Module








I then want to call this function from my webform. So I'm using the following





Dim dr As SqlClient.SqlDataReader





dr = Timetracker.SQLProcs.ListUsers()





Do While dr.Read


Label1.Text &= dr("first_name") & " " & dr("last_name") & ", "


Loop





dr.Close()








But it's not working. I want to have a module that contains all my sprocs and be able to call them from the individual webpages.





What am I doing wrong?





Lbob

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Retrieving Data

Dec 21, 2006

Faculty member writes:

"I meant to delete just one assignment, doing which was giving me difficulty.

I deleted a whole category by accident which had most of my daily grades in it for a course with quite a few of them. I was negligent in backing them up, so I cannot restore them. I have an XLS file from the midterm, but am missing about 6 grades after that.

Is there any way to recover the grades I had in the deleted category. It has been a couple of days since I entered any new grades. HELP!"

My current backup strategy is to do a full backup 5 pm, differentials every 2 hours, logs every 30 min, all so they arenot simultaneous. Backing these all to same backup device via three different jobs.

Then the server is backed up to tape shortly after the 5 pm full backup.

Obviously, I can't restore from the backup for this situation because it would hurt other data.

But - is there a way I can take last night's backup from tape and restore it to a different database than our production database? (Such a database doesn't at this time exist. Would I detach, copy over the files, and then reattach on prod and attach on the devl side, and then restore from the backup device to the devl copy?)

I've never had to perform this kind of rescue and am wondering if my backup strategy is flawed since it isn't immediately evident how I can easily do this.

I needed a similar thing from our Oracle DBA yesterday, and he went to tape, copied out a table and put it on the Oracle database under a different owner, and I easily fixed the few records that I had botched.

That's exactly what I need to do now with MS SQL 2000.

As the faculty dude said, "HELP!"

And Thanks.

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2
3 @CustId NCHAR(5),
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5
6 AS
7 BEGIN
8
9 SELECT @CustomerName = ContactName
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12
13 END
14
15 RETURN
16
17
18
19
20
21
22 SqlConnection conn = GetConnection(); //retrieves a new SqlConnection
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27
28 SqlParameter paramCustId = new SqlParameter();
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33
34 SqlParameter paramCustomerName = new SqlParameter();
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39 cmd.Parameters.Add(paramReturn);
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41 cmd.Parameters.Add(paramCustomerName);
42
43 conn.Open();
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46 string custName = cmd.Parameters["@CustomerName"].Value.ToString();
  

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Code:


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dbo.tblRateSchedule.RateScheduleYear2008Period1Rate - This is the rate when a rate has been updated in 2008 period 1

dbo.tblRateSchedule.RateScheduleYear2008Period2Rate - This is the rate when a rate has been updated in 2008 period 2

What i am trying to do is get the latest rate as it stands in the system, based on the above scenarios. This what I have so far, i tried to use the ISNULL, however that didnt work for probably because there are four instances. The following is the "view" which returns the rates.

SELECT dbo.tblWorkSchedule.Survey_ID, dbo.tblWorkSchedule.WorkSchedule_ID, dbo.tblWorkSchedule.WorkScheduleType_ID,
dbo.tblWorkSchedule.ScheduleStatus_ID, dbo.tblWorkSchedule.Qty, dbo.tblRateScheduleUnit.Unit, dbo.tblWorkType.Work_Type_Description,
dbo.tblRateScheduleType.Type, dbo.tblWorkSchedule.MA_Code, dbo.tblRateSchedule.SOR_Code, dbo.tblSurvey.PropertyYear_ID,
dbo.tblSurvey.PropertyPeriod_ID, ISNULL(dbo.tblWorkSchedule.Valuation, 0) AS Valuation, dbo.tblSurvey.WorkScheduleOverallStatus_ID,
dbo.tblSurvey.VariationOverallStatus_ID, dbo.tblWorkSchedule.WorkScheduleLocation_ID, dbo.tblWorkSchedule.Inserted_DateTime,
CASE IsNull(CONVERT(varchar, dbo.tblWorkSchedule.Figure_Description), '')
WHEN '' THEN dbo.tblRateSchedule.DESCRIPTION ELSE dbo.tblWorkSchedule.Figure_Description END AS DESCRIPTION,
CASE IsNull(CONVERT(varchar, dbo.tblWorkSchedule.Figure_Description), '')
WHEN '' THEN tblRateSchedule.SWT ELSE tblWorkSchedule.WorkScheduleLocation_ID END AS SWT, dbo.tblCategory.Category,
dbo.tblScheduleStatus.Schedule_Status, CASE isnull(dbo.tblWorkSchedule.Rate, 0)
WHEN 0 THEN dbo.tblRateSchedule.Rate ELSE tblWorkSchedule.Rate END AS Rate, dbo.tblRateSchedule.WorkType_ID,
dbo.tblWorkSchedule.UpliftedRate AS UPLIFTED_RATE,
CASE dbo.tblWorkSchedule.WorkScheduleType_ID WHEN 1 THEN CASE IsNull(dbo.tblSurvey.WorkScheduleOverallStatus_ID, 0)
WHEN 4 THEN dbo.tblWorkSchedule.UpliftedRate ELSE dbo.GetSWT_PropertyYearPeriodRate(IsNull(tblRateSchedule.WorkType_ID, 0),
tblWorkSchedule.WorkSchedule_ID, tblSurvey.PropertyYear_ID, tblSurvey.PropertyPeriod_ID)
END WHEN 2 THEN CASE IsNull(dbo.tblSurvey.VariationOverallStatus_ID, 0)
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CASE IsNull(dbo.tblWorkSchedule.Rate, 0) WHEN 0 THEN CONVERT(decimal(18, 2), IsNull(dbo.tblRateSchedule.Rate, 0)) * CONVERT(decimal(19, 2),
IsNull(dbo.tblWorkSchedule.Qty, 0)) ELSE CONVERT(decimal(18, 2), IsNull(dbo.tblWorkSchedule.Rate, 0)) * CONVERT(decimal(19, 2),
IsNull(dbo.tblWorkSchedule.Qty, 0)) END AS Total, dbo.tblCompany.IsContractor, dbo.tblCompany.Percentage AS Constructor_Percentage,
dbo.tblCompany.Percentage AS Contractor_Percentage, CASE IsNull(dbo.tblWorkSchedule.Rate, 0) WHEN 0 THEN ((IsNull(tblCompany.Percentage, 0)
/ 100 * (CONVERT(decimal(18, 2), dbo.tblRateSchedule.Rate) * CONVERT(decimal(19, 2), dbo.tblWorkSchedule.Qty))) + (CONVERT(decimal(18, 2),
dbo.tblRateSchedule.Rate) * CONVERT(decimal(19, 2), dbo.tblWorkSchedule.Qty))) ELSE ((IsNull(tblCompany.Percentage, 0)
/ 100 * (CONVERT(decimal(18, 2), dbo.tblWorkSchedule.Rate) * CONVERT(decimal(19, 2), dbo.tblWorkSchedule.Qty))) + (CONVERT(decimal(18, 2),
dbo.tblWorkSchedule.Rate) * CONVERT(decimal(19, 2), dbo.tblWorkSchedule.Qty))) END AS After_Lift, ISNULL(dbo.tblSurvey.Survey_Completed, 0)
AS Survey_Completed, LTRIM(RTRIM(dbo.tblUser.User_Title)) + ' ' + LTRIM(RTRIM(dbo.tblUser.User_Forename))
+ ' ' + LTRIM(RTRIM(dbo.tblUser.User_Surname)) AS Inserted_By, dbo.tblWorkSchedule.Inserted_By AS InsertedBy_ID,
ISNULL(dbo.tblUploadedFile.File_Name, '') AS File_Name, dbo.tblWorkSchedule.Variation_ID,
dbo.tblHistoricalRateSchedule.Rate2006Period1, dbo.tblHistoricalRateSchedule.Rate2006Period2, dbo.tblHistoricalRateSchedule.Rate2007Period1,
dbo.tblHistoricalRateSchedule.Rate2007Period2, dbo.tblHistoricalRateSchedule.Rate2008Period1,
dbo.tblRateSchedule.RateScheduleYear2008Period1Rate, dbo.tblRateSchedule.RateScheduleYear2008Period2Rate
FROM

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