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Reportviewer Untyped Dataset






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    Reportviewer Untyped Dataset Reportviewer Untyped Dataset Document Transcript

    • I was in search of binding a dataset form my application to the reportviewer control on winform/webpage. The I came across this article and it worked for me. Hope others get through from this too…. Sorce: http://www.topxml.com/rbnews/XML/re-76790_DYNAMIC-BINDING-OF-REPORTVIEWER-CONTROL- TO-UNTYPED-DATASET.aspx 1. Drop a ReportViewerControl to your favourite webform 2. Drop a new DataSet in the project (DataSet1) 3. Create a DataTable in DataSet's XSD (DataSet1.xsd) which should define the structure of <Books.xml> I created Table1 which defines 2 types. I guess 2 are enough!! - Book_ID (of type System.Int32) - Title (of type System.String) 4. Drop a new RDLC file to project. You will notice the DataSet1 and DataTable1 being shown in quot;WebSite Data Sourcesquot; + DataSet1 - DataTable1 - Book_Id - Title 5. Drop a table to it. Fields!Book_ID.Value and Fields!Title.Value) Drag and drop the Fields ( 6. use the CODE LISTING 2 in Page_Load. NOTE: Pay attention to this line: Me.ReportViewer1.LocalReport.DataSources.Add(New Microsoft.Reporting.WebForms.ReportDataSource(quot;DataSet1_DataTable1quot;, Dt)) DataSet1_DataTable1 is the link to this hack. We are telling ReportViewer to bind this table quot;Dtquot; of ours (which you might have got from somewhere) to a dataset which is understood by RDLC.
    • Note: You do not have to chose this RDLC in quot;ReportViewer Tasksquot;. Which means rsweb:ReportViewer component is free to chose it's local report in runtime. Check the neat rsweb:ReportViewer component in CODE LISTING 3. Here is how it looks when you bind it in design mode. But these all we are doing in RUN TIME. ID=quot;ReportViewer1quot; runat=quot;serverquot; Height=quot;499pxquot; <rsweb:ReportViewer Width=quot;861pxquot; > <LocalReport ReportPath=quot;Report1.rdlcquot;> <DataSources> <rsweb:ReportDataSource DataSourceId=quot;ObjectDataSource1quot; Name=quot;DataSet1_DataTable1quot; /> </DataSources> </LocalReport> </rsweb:ReportViewer> <asp:ObjectDataSource ID=quot;ObjectDataSource1quot; runat=quot;serverquot; SelectMethod=quot;GetDataquot;TypeName=quot;DataSet1TableAdapters.quot;></asp:ObjectDataSo urce> CODE LISTING 1: Books.Xml [XML] version=quot;1.0quot; encoding=quot;UTF-8quot;?> <?xml BookRoot SYSTEM quot;E:ProjectsXML TRAININGDay 1XML <!DOCTYPE Examplesbooks.dtdquot;> <BookRoot> ISBN=quot;Ind-123-4-5quot; Date=quot;3.14 mod 5quot;> <Book AuthID=quot;a1quot;> <Author WorkedWith=quot;a2quot;>William</Name> <Name
    • <Location>GB</Location> </Author> AuthID=quot;a2quot;> <Author WorkedWith=quot;a1quot;>Dennis</Name> <Name <Location>USA</Location> </Author> you like it</Title> <Title>As <Price>100$</Price> CountryId=quot;GBquot;>GB</SoldAt> <SoldAt CountryId=quot;USquot;>US</SoldAt> <SoldAt CountryId=quot;INDIAquot;>India</SoldAt> <SoldAt Media</Publisher> <Publisher>Tech </Book> </BookRoot> [XML] CODE LISTING 2: Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Protected Handles Me.Load ReportViewer1.ProcessingMode = ProcessingMode.Local Dim rep As LocalReport = ReportViewer1.LocalReport quot;Report1.rdlcquot; rep.ReportPath = ' Lets get a dataset Dim ds As DataSet = New DataSet(quot;DynDSquot;)
    • ds.ReadXml(HttpContext.Current.Request.MapPath(quot;.Books.xmlquot;)) Dim Dt As New DataTable() Dt = ds.Tables(0) 'Table name = Book Me.ReportViewer1.LocalReport.DataSources.Clear() Me.ReportViewer1.LocalReport.DataSources.Add(New Microsoft.Reporting.WebForms.ReportDataSource(quot;DataSet1_DataTable1quot;, Dt)) End Sub CODE LISTING 3: Just for reference, how your aspx page's HTML should look like.(completly unneccesary) <body> <form id=quot;form1quot; runat=quot;serverquot;> <rsweb:ReportViewer ID=quot;ReportViewer1quot; runat=quot;serverquot; Height=quot;499pxquot; Width=quot;861pxquot;> </rsweb:ReportViewer> </form> </body>