[Forum FAQ] How do i use xml stored in database as dataset in SQL Server Reporting Services?

Question

Introduction
There is a scenario that users want to create SSRS report, the xml used to retrieve data for the report is stored in table of database. Since the data source is not of XML type, when we create data source for the report, we could not select XML as Data Source
type. Is there a way that we can create a dataset that is based on data of XML type, and retrieve report data from the dataset?
Solution
In this article, I will demonstrate how to use xml stored in database as dataset in SSRS reports.
Supposing the original xml stored in database is like below:
<Customers>
<Customer ID="11">
<FirstName>Bobby</FirstName>
<LastName>Moore</LastName>
</Customer>
<Customer ID="20">
<FirstName>Crystal</FirstName>
<LastName>Hu</LastName>
</Customer>
</Customers>
Now we can create an SSRS report and use the data of xml type as dataset by following steps:
In database, create a stored procedure to retrieve the data for the report in SQL Server Management Studio (SSMS) with the following query:
CREATE PROCEDURE xml_report
AS
DECLARE @xmlDoc XML;  
SELECT @xmlDoc = xmlVal FROM xmlTbl WHERE id=1;
SELECT T.c.value('(@ID)','int') AS ID,     
T.c.value('(FirstName[1])','varchar(99)') AS firstName,     
T.c.value('(LastName[1])','varchar(99)') AS lastName
FROM   
@xmlDoc.nodes('/Customers/Customer') T(c)
GO
P.S. This is an example for a given structured XML, to retrieve node values from different structured XMLs, you can reference here.
Click Start, point to All Programs, point to Microsoft SQL Server, and then click Business Intelligence Development Studio (BIDS) OR SQL Server Data Tools (SSDT). If this is the first time we have opened SQL Server Data Tools, click Business Intelligence
Settings for the default environment settings.
On the File menu, point to New, and then click Project.
In the Project Types list, click Business Intelligence Projects.
In the Templates list, click Report Server Project.
In Name, type project name. 
Click OK to create the project. 
In Solution Explorer, right-click Reports, point to Add, and click New Item.
In the Add New Item dialog box, under Templates, click Report.
In Name, type report name and then click Add.
In the Report Data pane, right-click Data Sources and click Add Data Source.
For an embedded data source, verify that Embedded connection is selected. From the Type drop-down list, select a data source type; for example, Microsoft SQL Server or OLE DB. Type the connection string directly or click Edit to open the Connection Properties
dialog box and select Server name and database name from the drop down list.
For a shared data source, verify that Use shared data source reference is selected, then select a data source from the drop down list.
Right-click DataSets and click Add Dataset, type a name for the dataset or accept the default name, then check Use a dataset embedded in my report. Select the name of an existing Data source from drop down list. Set Query type to StoredProcedure, then select
xml_report from drop down list.
In the Toolbox, click Table, and then click on the design surface.
In the Report Data pane, expand the dataset we created above to display the fields.
Drag the fields from the dataset to the cells of the table.
Applies to
Reporting Services 2008
Reporting Services 2008 R2
Reporting Services 2012
Reporting Services 2014
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Answer 1

I have near about 30 matrics. so I need a paging. I did every thing as per this post and it really works for me.
I have total four columns. On one page it should show three and the remaining one will be moved to next page.
Problem occurs when in my first row i have 3 columns and in next page if I have one columns then it show proper on first page but on second page also it gives me three columns insted of one. the first column data is exactly what I have but in remaining two
columns it shows some garbage data.
I have data like below.
Metric ColumnNo RowNo
1 1
1
2 2
1
3 3
1
4 1
2
so while grouping i have a row parent group on RowNo and Column group on ColumnNo.
can anyone please advice on this.