Data Source Views - Calculated Columns

Feb 7, 2007

Q: How do I use Calculated Columns from a Data Source View in an OLEDB Data Source Adapter.

I took the following steps:

- Created new SSIS project
- Added a Data Source connecting to a SQLServer2005 DB (MyDataSource)
- Added a Data Source View based on MyDataSource (MyDSV)
- Created a Calcualted field to Table Object MyTable (MyCalcField)
- Added a Connection Manager based on MyDSV
- Added Data Flow to Project
- Added OLEDB Source Adapter to Data Flow
- Attempting to Access Calculated Field MyCalcField to be used in Data Flow.

ISSUE: I can't seem to find a way to get the Calculated field to pass through. It's as though this metadata is not available to the Flow.

Anyone have any ideas?

Thanks - MikeyNero

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SQL 2012 :: Calculated Columns Conditional On Calculated Columns Multiple Tables

Apr 20, 2014

I have 4 tables involved here. The priority table is TABLE1:

NAMEID TRANDATE TRANAMT RMPROPID TOTBAL
000001235 04/14/2014 335 A0A00 605
000001234 04/14/2014 243 A0A01 243
000001236 04/14/2014 425 A0A02 500

TRANAMT being the amount paid & TOTBAL being the balance due per the NAMEID & RMPROPID specified.The other table includes a breakdown of the total balance, in a manner of speaking, by charge code (thru a SUM(OPENAMT) query of DISTINCT CHGCODE

TABLE2
NAMEID TRANDATE TRANAMT RMPROPID CHGCODE OPENAMT
000001234 04/01/2014 400 A0A01 ARC 0
000001234 04/05/2014 -142 A0A01 ARC 228
000001234 04/10/2014 15 A0A01 ALT 15

[code]...

Also with a remaining balance (per CHGCODE) column. Any alternative solution that would effectively split the TABLE1.TRANAMT up into the respective TABLE2.CHGCODE balances? Either way, I can't figure out how to word the queries.

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Feb 26, 2008

Hi, i'm wondering which is the best way to search data in a SQL Server.
I reach data using Data Sources and Data Views and also with OLE DB Source with a Data access mode: Named query.
I have to write the data into a Flat File. So, does any one knows which is the best practice for this? Or any one of the two are good choices?
Thanks for your help.

Beli

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Packages And Data Source Views Do Not Work?

Jun 16, 2006

Hi,

doing my first steps in SSIS I wanted to copy data from 2 different SQL 2000 database servers to a SQL 2005 Data warehouse. For not having to deploy additional views and procedures to the individual systems I chose to create a Data Source View to create an abstract view on the different data sources. I found out that I can have named queries pointing to the two different data sources in the same view.

1 Project, 2 Data Sources, 1 Data Source View with 3 Named Queries

When I now add a Data Flow Task to the Control Flow how can I specify my DSV as Source for Transformations? I even added both OLEDB Connections to the Connection Manager but the Named Queries from my DSV do not appear at all. I even tried "SELECT from [myNamedQueryFromDSV]" but without success.

The description available at http://msdn2.microsoft.com/en-us/ms403395.aspx is bullshit. There is nothing to expand about the "Connection Manager" in the Data Flow Window. I can add a OLEDB Source as described in the above HOWTO and double click it. But the dropdown field for Connection Manager does offer only the two OLEDB Connections and nothing more. Among the items of the access mode "Tables and Views" the named queries not appear. It does not even work with a homogeneous Data Source View.

How can I make it work? Ain't there a better (working) HOWTO out there on how to enable DSV als Data Flow Task data sources? Do I have to wait for SP2 to solve the problem or is it not possible by intention?

Cheers,
Frank

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Nov 16, 2006

Hi all,

I am new to SQL Server 2005 Analysis Services and would like to use the OLAP Cubes as a datasource to build Mining Model . However i would like to use a particular view of the OLAP cube that i have generated to be used as the datasource for the mining model . I find that i am not able to save the Cube View while browsing the OLAP cube in Business Intelligence Studio. Is there a way i can acheive this requirement.

Any ideas regarding this will be really appreciated.

Thanks & Regards,

Satya

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Sep 12, 2007



Our phone system keeps a list of events, such as login and logout, which I'm doing a self join on to get the start and end times so I can calculate the time between the start and end of each event during a time period.

Then I stuffed the self joins into a couple views for the events I'm interested in...

The problem is that this makes the "end time" a calculated field, so when I use it as part of the filter it takes forever. I need to account for events ending within the time period, and events starting within the time period... so I need to filter on both the start and end time in the initial select. Filtering the start time first in a subselect, then the end time in the main select is quick but can lose things that started before the start time.

So how can I speed up the filtering on that calculated column?

Or am I going to have to get really creative with unions?

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Aug 12, 2014

MS SQL 2008 R2

I have the following effectively random numbers in a table:

n1,n2,n3,n4,SCORE
1,2,5,9,i
5,20,22,25,i
6,10,12,20,i

I'd like to generate the calculated column SCORE based on various scenarios in the other columns. eg.

if n1<10 and n2<10 then i=i + 1
if n4-n3=1 then i=i + 1
if more than 2 consecutive numbers then i=i + 1

So, I need to build the score. I've tried the procedure below and it works as a pass or fail but is too limiting. I'd like something that increments the variable @test1.

declare @test1 int
set @test1=0
select top 10 n1,n2,n3,n4,n5,n6,
case when (
n1=2 and
n2>5
)
then @test1+1
else @test1
end as t2
from
allNumbers

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Aug 12, 2007

I'm using the XML Source to process a hierarchical set of XML. As such, the XML Source creates keys to maintain the hierarchy. This is very convenient, and keeps me from having to invent my own keys.

The problem is that the datatype of these keys defaults to DT_UI8. Which SQL Server 2005 datatype should I use to store these values in my staging tables? BIGINT corresponds to DT_I8, which can't accept DT_UI8 values.

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Feb 26, 2007

I am writing a package that will process delimited flat files that will come in one of a few different versions. Within each flat file, the number of delimited columns will be the same, but each version of the file has a different number of columns. I have tried configuring the flat file data source to expect the version with the largest number of columns, but it will then throw away rows that have less than this number of columns (warning: There is a partial row at the end of the file).

Is it possible to use a single flat file data source that will work with all of the different width files?

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Apr 17, 2007

Hello,

I have a SSIS package with a Data Flow task. This task transfers the data from SQL Server 2000 to a table in SQL Server 2005.



I deployed and tested this package on the Test Server. Then put this package in a job and executed it - Works fine.



On the production server- If I execute the package through DTEXECUI, it works fine. But when I try executing it through a job- the job fails and it gives me following error:

Description: The external metadata column collection is out of synchronization with the data source columns. The "external metadata column "T_FieldName" (82)" needs to be removed from the external metadata column collection....



What I don't understand is, why are there no errors displayed when I execute the package through DTEXECUI.



Can anyone help me to resolve this issue.



Thanks.

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Mar 12, 2014

How can I sum the calculated columns.

select [Funding] [Fundings], [Original] [Originals],[Variance] = [Previous_Year]-[Current_Year],[SumValue] = [CurrentYear]/4, [ActualValue] = [Variance] * 0.75,[FinanceYear], [New Value] = [Previous_Year]+[Current_Year] from Finance

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Oct 3, 2006

hi

What are calculated colunms?

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Dec 13, 2002

I'm trying to create calculated columns in a SELECT query (inside a sp) that are based on other calculated columns in the same SELECT list. But since I'm not allowed to refer to each calculated column by name, I'm forced to repeat long calculations every time I build one calculation based on another.

I'd like to do something on the order of:
SELECT Price*Quantity AS SalePrice, SalePrice*1.08 AS SalesPriceWithTax
FROM Orders

Access used to let me do that, but not SQL. Any suggestions? Can I use variables declared and assigned before I start my SELECT, and then put those variables in my SELECT list? Anyone have a useful shortcut?

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Feb 20, 2008

Okay, so yes, I am new to SQL server...

I have this SP below, and I am trying to reuse the value returned by the Dateofplanningdate column so that I don't have to enter the code for each additional column I create. I have tried temp tables and derived tables with no luck.

REATE Proc CreateMasterSchedule
as

Select

dbo.[MOP_Planning Overview].warehouse,
dbo.[MOP_Planning Overview].[Item Number],
dbo.[MOP_Planning Overview].[Planning Date],
CAST (Convert (char(10),[Planning Date], 110)as DateTime)as DateofPlanningDate,

(case when dbo.[MOP_Planning Overview].[Order Category]='101' AND CAST (Convert (char(10),[Planning Date], 110)as DateTime)
<= (CAST (Convert (char(10),(dateadd(day, 8 - DATEPART(dw, dateadd(d,@@DATEFIRST-8,getdate())) ,getdate())-7),110) as DateTime)-1)then dbo.[MOP_Planning Overview].[Transaction Quantity - Basic U/M] else 0 end)as PriorInProc,

If I try to use DateofPlanningDate in the above case statement, I get the invalid column name error.

Basically, I just need a way to reuse the value returned by this column.

Can anyone help?

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Apr 8, 2008

I have an OrderDetails table, ShipHeader table and a ShipDetails table in my database. I am trying to add a couple of columns to my OrderDetails table. I need two additional columns in my OrderDetails that are calculated. One should be called "Shipped" and give me the sum of all the ship Qty records for theat line item. The other should be called "Returned" and do the same for the return records. I was able to create this in a View without a problem. However, I need a method of creating this table that will still allow me to edit the information in the other columns in the OrderDetail table while viewing the shipped and returned information for each line item. With a View, I cannot edit any of the information while viewing it. Should I use a function? A stored procedure? If so, how do I code this? The tables are listed below.


CREATE TABLE OrderHeader
(
OrderID int identity primary key,
Status int,
StartDate datetime,
EndDate datetime
)--Use Type 1 = "Quote" Type 2 = "Cancelled" Type 3 = "Confirmed", Type 4 = "Shipped", Type 5 = "Part Shipped", Type 6 = "Part Returned", Type 7 = "Returned, Type 8 = "Mixed"
CREATE TABLE OrderDetail
(
OrderDetailID int identity primary key,
OrderID int FOREIGN KEY REFERENCES OrderHeader(OrderID),
ItemName varchar(30),
Qty int,
SiteID int,
)
CREATE TABLE ShipHeader
(
ShippingID int identity primary key,
Type int,
SiteID int,
ActionDate datetime
)--Use Type 1 = "Ship" Type 2 = "Return" Type 3 = "Lost"
CREATE TABLE ShipDetail
(
ShipDetailID int identity primary key,
ShippingID int NOT NULL FOREIGN KEY REFERENCES ShipHeader(ShippingID),
OrderDetailID int,
Qty int
)

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Displaying Calculated Columns In A Matrix

Jan 31, 2008

Hi,

Im trying to create a calulated value in my matrix table

I have the following matrix

ADSL CABLE BROADBAND %of adsl %ofcable %ofbroadband
AWAITING 5 9 11 0.2 0.36 etc

IN PROGRESS 67 10 5 0.8 0.1 etc
CHURNED 8 1 15 0.3 etc etc



I would like to create columns called
% of ADSL

% of cable
% of broadband
which is the count for that product divided by the total off adsl+cable+broadband for that particular status

I have the following problems
1. How do I add columns to a matrix which would allow these calculated columns to display?

thanks

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Nov 12, 2007

I am using execute sql task to run a stored procedure in oracle database which returns a resultset. This works. Now I need to send the ouput to a destination table in a sql database. Should I use for each loop to pick the resultset and insert it into the destination one by one (which I dont think is a great idea) or is there a better way to accomplish this task (in data flow task) ?

When I use dataflow task instead of execute sql task, the main issue is I am not able to see the output columns when I execute an oracle stored procedure, but when I see the preview I can see the resultset . But I can see the output columns for a sql server stored procedure.

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Jun 21, 2015

I need to sort my tablix report where I have several calculated columns like:

=ReportItems!Textbox47.value+ReportItems!Textbox48.value..

Now I would like to sort these by using the Interactive sort functions - but I have seen elsewhere that this is not possible..(I'm also getting an error when trying..)Is there not a way that I can bypass this (using Code function or similar) ? The datasource for the data is a OLAP cube

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Jul 20, 2005

Hi all, Thanks in advance to any contributions to my question.Im running SQLServer 2000 in a Win 2000 Server env.Background:==========The database has many views that range from simple to complex joins ontables.The selection criteria is fixed eg. 'Where TaskTypeIdent = 2204 andOutcomeId = 123 or 2322 or 1222 andCicType = 87878 ... etc etcRequirement:===========Now what I would like to do is be able to change the 'where =' valuepart ie. 2204, dynamically if and when required, and it will berequired.In other words there won't be a DBA handy to do this when it changeshence I would like to write a front end UI to allow the user to easilymanage this.There are upwards of 200 views like this.Question:========Where in the system metadata can I access (if possible) the source ofthe View such that I can update it with the new values. eg. 'WhereTaskTypeIdent = 7627 and OutcomeId = 2322 or 94847 or 989 and CicType =1111 ... etc etcMany thanksPaul*** Sent via Developersdex http://www.developersdex.com ***Don't just participate in USENET...get rewarded for it!

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An Error Has Occurred During Report Processing. A Data Source Instance Has Not Been Supplied For The Data Source DetailDS_get_o

Mar 13, 2008

hi ,

i am trying for a drill through report (rdlc)

ihave written the following code in drill through event of reportviewer, whenever i click on the first report iam getting the error like

An error has occurred during report processing.


A data source instance has no
t been supplied for the data source "DetailDS_get_orderdetail".







the code is



using System;

using System.Data;

using System.Data.SqlClient;

using System.Configuration;

using System.Collections;

using System.Web;

using System.Web.Security;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using System.Web.UI.HtmlControls;

//using Microsoft.ApplicationBlocks.Data;

using Microsoft.Reporting.WebForms;

using DAC;

public partial class _Default : System.Web.UI.Page

{

protected void Page_Load(object sender, EventArgs e)

{

ReportViewer1.Visible = false;

}

protected void Button1_Click(object sender, EventArgs e)

{

DAC.clsReportsWoman obj = new clsReportsWoman();

DataSet ds = new DataSet();

ds = obj.get_order();

ReportViewer1.LocalReport.DataSources.Clear();

ReportDataSource reds = new ReportDataSource("DataSet1_get_order", ds.Tables[0]);



ReportViewer1.LocalReport.DataSources.Add(reds);

ReportViewer1.LocalReport.ReportPath = "C:/Documents and Settings/km63096/My Documents/Visual Studio 2005/WebSites/drillthrurep/Report.rdlc";

ReportViewer1.LocalReport.Refresh();

ReportViewer1.Visible = true;

}

protected void ReportViewer1_Drillthrough(object sender, DrillthroughEventArgs e)

{

DAC.clsReportsWoman obj = new clsReportsWoman();

ReportParameterInfoCollection DrillThroughValues =

e.Report.GetParameters();



foreach (ReportParameterInfo d in DrillThroughValues)

{

Label1.Text = d.Values[0].ToString().Trim();

}

LocalReport localreport = (LocalReport)e.Report;

string order_id = Label1.Text;

DataSet ds = new DataSet();

ds = obj.get_orderdetail(order_id);



ReportViewer1.LocalReport.DataSources.Clear();

ReportDataSource reds = new ReportDataSource("DetailDS_get_orderdetail", ds.Tables[0]);

ReportViewer1.LocalReport.DataSources.Add(reds);

ReportViewer1.LocalReport.ReportPath = Server.MapPath(@"Reportlevel1.rdlc");

ReportViewer1.LocalReport.Refresh();





}



}

the code in method get_orderdetail(order_id) is

public DataSet get_orderdetail(string order_id)
{
SqlCommand cmd = new SqlCommand();
DataSet ds = new DataSet();
cmd.Parameters.Add("@order_id", SqlDbType.VarChar, 50);
cmd.Parameters["@order_id"].Value = order_id;
ds = SQLHelper.ExecuteAdapter(cmd, CommandType.StoredProcedure, "dbo.get_orderdetail");
return (ds);
}pls help me.

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Nov 19, 2007

I am using a Excel Source to get the data from an excel file to sql server 2005 table. A couple columns are coming in a double precision float, but some values have characters in them, but those values are coming out as null, even though I changed the datatype from float to unicode string. Any inputs on resolving this will be much appreciated.

Thanks,
Manisha

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Feb 13, 2007

Hi,

I am trying to create a program that transfers tables to flat files.
At this point in time, I have suceeded in created one that creates delimited files.

However, I am now trying to create fixed-width files as you can do with the SSIS designer, but programatically.

Is there a way to programatically determine the width of a column from the source table? I can not seem to find any kind of function or member that stores this information or allows me to retrieve it.

I know what I need to change in order to set a width for a column, but I just don't know how to find the width without just asking the user to provide one.

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Sep 30, 2006

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I believe I have a way around this for my purpose, which was principally testability. However, can anyone enlighten me as to how and why this happens?

Andrew Raymond

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Mar 19, 2008



Can a View include an identity column? If a view can include an identity column, how do you go about setting a column as an identity column.

Also how do you go about removing an identity property that may exist on column in a View

I am using SQL Server 2005.

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Dec 14, 2011

grant SELECT   on all_columns to yogi_bear;
grant SELECT   on all_objects  to yogi_bear;
grant SELECT   on all_views    to yogi_bear;
 
but it doesn't work, why? I know how to do it with a cursor or dynamic sql, but why won't these sql statements work?

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Feb 2, 2008

,
Hi
In this code how can I create a new data source and new data source view and model and structure that it run dynamic.
In this code I have a lot of errors, that they are about server and database don€™t have in current code,
In this code, first I should definition server or no?

Database dbNew = new Database (databaseName,
Utils.GetSyntacticallyValidID(databaseName, typeof(Database)));
srv.Databases.Add(dbNew);
dbNew.Update(true);
***********************************************************

How can I create data source and data source view and model and structure?
Please say code of that, and guide me.
databasename and srv is unknown.
Do I add other reference with analysis services?
Please explain about these codes:
************************************************************************
1)
RelationalDataSource dsNew = new RelationalDataSource(
datasourceName,
Utils.GetSyntacticallyValidID(
datasourceName,
typeof(RelationalDataSource)));

db.DataSources.Add(dsNew);
dsNew.ConnectionString = connectionString;

dsNew.Update();
2)

RelationalDataSourceView rdsv;

rdsv = db.DataSourceViews.Add(
datasourceviewName,
Utils.GetSyntacticallyValidID(
datasourceviewName,
typeof(RelationalDataSourceView)));

rdsv.DataSourceID = ds.ID
***************************************************************
3)
OleDbConnection cn = new OleDbConnection(ds.ConnectionString);
OleDbCommand cmd = new OleDbCommand(
"SELECT * FROM [" + tableName + "] WHERE 0=1", cn);
OleDbDataAdapter ad = new OleDbDataAdapter(cmd);

DataSet dss = new DataSet();
ad.FillSchema(dss, SchemaType.Source);

*************************************************************
4)

// Make sure we have the name we thought

dss.Tables[0].TableName = tableName;

// Clone here - the original DataTable already belongs to a DataSet
rdsv.Schema.Tables.Add(dss.Tables[tableName].Clone());
rdsv.Update();


5)

MiningStructure ms = db.MiningStructures.Add(miningstructureName, Utils.GetSyntacticallyValidID(miningstructureName,
typeof(MiningStructure)));
ms.Source = new DataSourceViewBinding(dsv.ID);
ms.CaseTableName = "Customer";

Add columns:
ScalarMiningStructureColumn smsc;

// From table "Customer" we will add a couple of columns
// CustomerID - key
smsc = new ScalarMiningStructureColumn("Customer ID",
Utils.GetSyntacticallyValidID("Customer ID", typeof(ScalarMiningStructureColumn)));
smsc.IsKey = true;
smsc.Content = "Key";
smsc.KeyColumns.Add("Customer", "customer_id", OleDbType.Integer);
ms.Columns.Add(smsc);

*******************************************
6)

MiningModel mm = ms.MiningModels.Add(miningmodelName,
Utils.GetSyntacticallyValidID(miningmodelName,
typeof(MiningModel)));


mm.Algorithm = "Microsoft_Decision_Trees";
mm.Parameters.Add("COMPLEXITY_PENALTY", 0.3);


MiningModelColumn mc = new MiningModelColumn("Customer ID",
Utils.GetSyntacticallyValidID("CustomerID",
typeof(MiningModelColumn)));
mc.SourceColumnID = ms.Columns["Customer ID"].ID;
mc.Usage = "Key";
mm.Columns.Add(mc);


mm.Update();

Please exactly say, whatever I want
Thanks a lot for your answer
Please don€™t move this question because I don€™t know where I should write this.

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Mar 2, 2007

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Have I missed something in my set up of the OLE DB source / connection? Will a DSN source be faster?

Thanks in advance

ADG

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Oct 8, 2007

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Run the following command.


Select * From sys.all_objects a JOIN master..spt_values b on a.type = b.type

You will receive the following error.


Msg 468, Level 16, State 9, Line 1

Cannot resolve the collation conflict between "SQL_Latin1_General_CP1_CI_AS" and "Latin1_General_CI_AS_KS_WS" in the equal to operation.


Now run sp_help 'sys.all_objects' and look at the collation defintion for columns "type" and "type_desc". In my environment they have a collation of Latin1_General_CI_AS_KS_WS. This is different then the overall default collation of SQL_Latin1_General_CP1_CI_AS, thus causing the error.


My question is why did Microsoft need to make this collation different for these columns?


Any ideas?


Thanks, Dave

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hi everybody,
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thanks for you helps

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Dec 11, 2007

Today I was making a few reports.
When I tested the reports in Visual Studio, they worked great: I got the expected result.
But when I deployed the reports to our reportserver the problem started.
When I click on the directory in which my reports are deployed, I got my 4 reports.
Till now everything worked correct.
But when I click on a report to view the results it went wrong.
I got an error:
"Cannot create a connection to data source 'Live'"
(Live is the name of our data source).

We are using the Windows Logons and I am sure that I have all the rights on the server, I gave myself 'sysadmin' rights, so it should work.
I also have tried it with all the roles assigned on my account, but then it still won't work.

When I modify the data source, and set it to another server en database it works.
The datasource 'Live' exists on a x64 MsSQL server, en the other datasource is on a x86 MsSQL server.
Maybe that is the problem?

Can someone tell me what is wrong?

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May 20, 2007

Hi there,



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Could anyone help me?!





Tks a lot!



Luis Antonio - Brazil

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The only way I could populate the table was by using an Execute SQL Task and hard code an Insert into table selecting data from the view (35 seconds) from SSIS.

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