Null Parameter

Sep 26, 2007

In the report I created, there is a drop down used as a parameter, i.e. Sector.
This drop down gets populated with data. It also has <Select a Value> in there.
When no item is selected, i.e. only <Select a Value> is shown in the drop down list, when the view Report button is clicked, the message says:
Please select a value for the parameter 'Sector'
The view Report used a stored procedure which allows null for this Sector parameter.
The SP does work fine in the sql server query analyser because it returns data with and without the sector parameter.
Any thoughts please?
Thanks

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Reporting Services :: Give Meaning Full Name To Allow Null Value Check Box In Report Parameter Instead Of NULL?

Oct 20, 2015

In my report i have CNAME parameter , which allows null value. I checked Allow null value check box in report parameter properties.

when i preview the report , it displays checked NULL check box beside CNAME parameter . I want to give some meaningful name(i.e.ALLCustomers) to this checkbox instead of NULL. 

Is it possible through SSRS designer?

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May 3, 2007

I have a report that is run on a monthly basis with a default date of null. The stored procedure determines the month-end date that it should use should it be sent a null date.

The report works fine when I tell it to create a history entry; however, when I try to add a subscription it doesn't appear to like the null parameter value. Since I have told the report to have a default value of null it doesn't allow me to enter a value on the subscription page.

Now, I suppose I could remove the parameter altogether from the stored proc, but then the users would never be able to run the report for a previous time period. Can someone explain to me why default values aren't allowed to be used on subscriptions when they seem to work fine for ad hoc and scheduled reports? This is really quite frustrating as most of my reports require a date value and default to null so that the user doesn't have to enter them for the latest data.



An internal error occurred on the report server. See the error log for more details. (rsInternalError) Get Online Help




Key cannot be null. Parameter name: key

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Aug 28, 2015

my dataset from sharepoint list. and this dataset value assign to parameter. i want when no any parameter is selected than it should filter like "ALL". when i select alow null value it give me prompt error you  can not select null in multivalue parameter.How can i do it. i am using share point list.

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Apr 10, 2007

Hi,

I am starting to use reporting services and I created a report that takes 4 parameters for a Filter on the dataset.

The idea is the create snapshot nightly and then display the report filtered based on parameters to users.



I'd like that the filter be ignored for a parameter if the parameter is passed as NULL,

Right now I defined it this way :



Left =Fields!RegionCode.Value
Operator =
Right =IIF(IsNothing(Parameters!RegionCode.Value),Fields!RegionCode.Value,Parameters!RegionCode.Value)

I do this for the 4 parameters that are passed, if they are null, make then equals to the field.

I was wondering if there is a way to ignore the whole parameter all together, I would guess it'll be faster to execute.



Thanks

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May 5, 2008

I have a sql proc. I need to make a parameter optional. I've setup the parameter to use a dataset as its source, and I need NOT to allow the value to be null. I've NOT selected allow nulls check box, But, when the parameter is null (‘’), still data comes back in a table as empty or if it is date will default to 1/1/1900. How do I send a null value to the database through sql proc and raise an error without inserting a null value? I’m hoping to avoid creating a special query just for that purpose.

Thanks.


Josephine

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Out Parameter Value Is NULL

Mar 19, 2008

I Created a Procedure that Generates an ID value based in the current Date (Year/Month) and a value which are stored in a table. This ID value is update in the table, and passed on to an output parameter as folows:





Code Snippet




CREATE PROCEDURE [dbo].[CNSPGetNewGuideID]
@SectionID bigint
,@Year bigint
,@Month bigint
,@ID bigint output
AS
BEGIN




(...)

SELECT @ID = [Year]* 10000000 + [Month] * 100000 + [Number]
FROM [dbo].[CNGuideID]
WHERE [Year] = @Year
AND [Month] = @Month





print 'New ID : '
print @ID
END


This is working and the value printed here is the correct one.

but when I execute the procedure inside another one, the variable i pass on as an output parameter remains NULL...





Code Snippet




CREATE PROCEDURE [dbo].[CNSPInsertNewGuide]
@SectionID int
,@ClientID int
,@UsuaryID bigint
,@UsuarySectionID int
,@ID int OUTPUT
AS
BEGIN

DECLARE @Date as datetime
DECLARE @Year as int
DECLARE @Month as int

SET @Date = GetDate()
SET @Year = YEAR(@Date)
SET @Month = MONTH(@Date)

EXEC CNSPGetNewGuideID @sectionID,@Year,@month,@ID

(...)




I also tried just declaring a variable and executing the procedure but the same thing happens





Code Snippet
declare @ID2 bigint


EXEC CNSPGetNewGuideID 06,2008,03, @ID2

print 'ID : '
print @ID2




this is the result I get:

New ID :
20080300030
ID :

I must be missing something...
Can anyone help?

thanks.

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Feb 7, 2008

Hi all,

I'm passing a list of values to a stored procedure using an XML parameter - using SQL 2005.

The stored procedure is used to search a table for matching values so this list can contain one or many values, or could be NULL to indicate all values should be returned.

Returning one or more than one value works fine in the code sample given below. How can I phrase my query to cope with the scenario of the parameter being NULL to select all values?

I currently have the following code to cope with one or many values being passed:






Code Snippet

SELECT * FROM dbo.MyTable
WHERE idField IN
(SELECT paramvalues.id.value('.', 'int') FROM @testxml.nodes('/rootnode/idfieldvalue') as paramvalues(id))
where @testxml is the XML parameter passed into the stored procedure.

Thanks as always

Shivonne

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Mar 27, 2007

We are using forms authentication with SSRS2005 and we are able to access Report Manager (http://servername/reports) and Reportserver (http://servername/reportserver). The problem we are having is every time we add a user to the Content Manager or the Publisher role. The user is able to login and reach the Report Manager but no folder is showing up and also we have the following error message : "Key cannot be null. Parameter name: key".



We removed users from the Content Manager and Publisher Roles and they are able to reach report manager and see the folders. This only happens with report manager. everything works fine with reportserver(http://servername/reportserver).

Any idea why we're getting an error message when trying to assign the Content Manager and publisher Roles to a user.



here is the error log from ReportServerWebApp :



aspnet_wp!ui!1!3/27/2007-16:38:49:: e ERROR: Key cannot be null.
Parameter name: key
aspnet_wp!ui!1!3/27/2007-16:38:49:: e ERROR: HTTP status code --> 500
-------Details--------
System.ArgumentNullException: Key cannot be null.

Parameter name: key

at System.Collections.Hashtable.Insert(Object key, Object nvalue, Boolean add)

at System.Collections.Hashtable.Add(Object key, Object value)

at Microsoft.ReportingServices.UI.BasePermissions.ReadPermissions(String[] permissions)

at Microsoft.ReportingServices.UI.Permissions.GetPermissions()

at Microsoft.ReportingServices.UI.Permissions.CurrentUser(String itemPath)

at Microsoft.ReportingServices.UI.FolderPage.Page_Init(Object sender, EventArgs e)

at System.EventHandler.Invoke(Object sender, EventArgs e)

at System.Web.UI.Control.OnInit(EventArgs e)

at System.Web.UI.Page.OnInit(EventArgs e)

at System.Web.UI.Control.InitRecursive(Control namingContainer)

at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
aspnet_wp!ui!1!3/27/2007-16:38:49:: e ERROR: Exception in ShowErrorPage: System.Threading.ThreadAbortException: Thread was being aborted.
at System.Threading.Thread.AbortInternal()
at System.Threading.Thread.Abort(Object stateInfo)
at System.Web.HttpResponse.End()
at System.Web.HttpServerUtility.Transfer(String path, Boolean preserveForm)
at Microsoft.ReportingServices.UI.ReportingPage.ShowErrorPage(String errMsg) at at System.Threading.Thread.AbortInternal()
at System.Threading.Thread.Abort(Object stateInfo)
at System.Web.HttpResponse.End()
at System.Web.HttpServerUtility.Transfer(String path, Boolean preserveForm)
at Microsoft.ReportingServices.UI.ReportingPage.ShowErrorPage(String errMsg)



Thanks!



chi

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Hello,



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This multi-value parameter allows to select all or some of the items.

What if I don't want to select ANY item??



I read in the forum the several tray to do the same but the answers are not so clear..



If I say that at the end is a bug in SSRS... AM I right?



Thank you



Marina B.

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Apr 8, 2008

Hi,
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Aug 1, 2007

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using System;
using System.Data;
using System.Data.SqlClient;
using System.Data.SqlTypes;
using System.Text;
using Microsoft.SqlServer.Server;

[Code] ...

I now my trouble and it is because the parameter @p_it is null when I try to sed it to pipe in SqlContex but really it is not null. When I test the clr with this code:

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FROM
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GO
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A .NET Framework error occurred during execution of user-defined routine or aggregate "Test":
System.ArgumentNullException: El valor no puede ser nulo. -----> The value can not be null
Nombre del parámetro: message
System.ArgumentNullException:
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The code looks like;

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repParams(1) = New ReportParameter("EndDate", String.Empty)

-----

ReportParameter method requires String parameters. If user set any datetime value, I am sending "String.Empty" value to my paramaters in order to set them as NULL. But I am getting "rsReportParameterTypeMismatch Error."

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string assigned is null, i am passing this as a method parameter
...............
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...................
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=

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[Code] .....

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