Bind Object To RDLC Report

Apr 8, 2006

Hi,all
I hava a question about Bind object to RDLC Report,the RDLC like
<?xml version="1.0" encoding="utf-8"?>
<Report xmlns="http://schemas.microsoft.com/sqlserver/reporting/2005/01/reportdefinition" xmlns:rd="http://schemas.microsoft.com/SQLServer/reporting/reportdesigner">
  <DataSources>
    <DataSource Name="DummyDataSource">
      <ConnectionProperties>
        <ConnectString />
        <DataProvider>SQL</DataProvider>
      </ConnectionProperties>
      <rd:DataSourceID>47739726-cc8c-4719-b061-c392c2cceb68</rd:DataSourceID>
    </DataSource>
  </DataSources>
  <BottomMargin>2.5cm</BottomMargin>
  <RightMargin>2.5cm</RightMargin>
  <PageWidth>21cm</PageWidth>
  <rd:DrawGrid>true</rd:DrawGrid>
  <InteractiveWidth>21cm</InteractiveWidth>
  <rd:GridSpacing>0.25cm</rd:GridSpacing>
  <rd:SnapToGrid>true</rd:SnapToGrid>
  <Body>
    <ColumnSpacing>1cm</ColumnSpacing>
    <ReportItems>
      <Table Name="table1">
        <Footer>
          <TableRows>
            <TableRow>
              <TableCells>
                <TableCell>
                  <ReportItems>
                    <Textbox Name="textbox7">
                      <rd:DefaultName>textbox7</rd:DefaultName>
                      <ZIndex>7</ZIndex>
                      <Style>
                        <PaddingLeft>2pt</PaddingLeft>
                        <PaddingBottom>2pt</PaddingBottom>
                        <PaddingRight>2pt</PaddingRight>
                        <PaddingTop>2pt</PaddingTop>
                      </Style>
                      <CanGrow>true</CanGrow>
                      <Value />
                    </Textbox>
                  </ReportItems>
                </TableCell>
                <TableCell>
                  <ReportItems>
                    <Textbox Name="textbox8">
                      <rd:DefaultName>textbox8</rd:DefaultName>
                      <ZIndex>6</ZIndex>
                      <Style>
                        <PaddingLeft>2pt</PaddingLeft>
                        <PaddingBottom>2pt</PaddingBottom>
                        <PaddingRight>2pt</PaddingRight>
                        <PaddingTop>2pt</PaddingTop>
                      </Style>
                      <CanGrow>true</CanGrow>
                      <Value />
                    </Textbox>
                  </ReportItems>
                </TableCell>
                <TableCell>
                  <ReportItems>
                    <Textbox Name="textbox6">
                      <rd:DefaultName>textbox6</rd:DefaultName>
                      <ZIndex>5</ZIndex>
                      <Style>
                        <PaddingLeft>2pt</PaddingLeft>
                        <PaddingBottom>2pt</PaddingBottom>
                        <PaddingRight>2pt</PaddingRight>
                        <PaddingTop>2pt</PaddingTop>
                      </Style>
                      <CanGrow>true</CanGrow>
                      <Value />
                    </Textbox>
                  </ReportItems>
                </TableCell>
                <TableCell>
                  <ReportItems>
                    <Textbox Name="textbox9">
                      <rd:DefaultName>textbox9</rd:DefaultName>
                      <ZIndex>4</ZIndex>
                      <Style>
                        <PaddingLeft>2pt</PaddingLeft>
                        <PaddingBottom>2pt</PaddingBottom>
                        <PaddingRight>2pt</PaddingRight>
                        <PaddingTop>2pt</PaddingTop>
                      </Style>
                      <CanGrow>true</CanGrow>
                      <Value />
                    </Textbox>
                  </ReportItems>
                </TableCell>
              </TableCells>
              <Height>0.63492cm</Height>
            </TableRow>
          </TableRows>
        </Footer>
        <DataSetName>WindowsApplication1_MedcialCase</DataSetName>
        <Top>0.25cm</Top>
        <Details>
          <TableRows>
            <TableRow>
              <TableCells>
                <TableCell>
                  <ReportItems>
                    <Textbox Name="ID">
                      <rd:DefaultName>ID</rd:DefaultName>
                      <ZIndex>3</ZIndex>
                      <Style>
                        <PaddingLeft>2pt</PaddingLeft>
                        <PaddingBottom>2pt</PaddingBottom>
                        <PaddingRight>2pt</PaddingRight>
                        <PaddingTop>2pt</PaddingTop>
                      </Style>
                      <CanGrow>true</CanGrow>
                      <Value>=Fields!ID.Value</Value>
                    </Textbox>
                  </ReportItems>
                </TableCell>
                <TableCell>
                  <ReportItems>
                    <Textbox Name="Name">
                      <rd:DefaultName>Name</rd:DefaultName>
                      <ZIndex>2</ZIndex>
                      <Style>
                        <PaddingLeft>2pt</PaddingLeft>
                        <PaddingBottom>2pt</PaddingBottom>
                        <PaddingRight>2pt</PaddingRight>
                        <PaddingTop>2pt</PaddingTop>
                      </Style>
                      <CanGrow>true</CanGrow>
                      <Value>=Fields!PatientOfMedcialCase.Value.Name.Value</Value>
                    </Textbox>
                  </ReportItems>
                </TableCell>
                <TableCell>
                  <ReportItems>
                    <Textbox Name="Name_1">
                      <rd:DefaultName>Name_1</rd:DefaultName>
                      <ZIndex>1</ZIndex>
                      <Style>
                        <PaddingLeft>2pt</PaddingLeft>
                        <PaddingBottom>2pt</PaddingBottom>
                        <PaddingRight>2pt</PaddingRight>
                        <PaddingTop>2pt</PaddingTop>
                      </Style>
                      <CanGrow>true</CanGrow>
                      <Value>=Fields!Name.Value</Value>
                    </Textbox>
                  </ReportItems>
                </TableCell>
                <TableCell>
                  <ReportItems>
                    <Textbox Name="PatientOfMedcialCase">
                      <rd:DefaultName>PatientOfMedcialCase</rd:DefaultName>
                      <Style>
                        <PaddingLeft>2pt</PaddingLeft>
                        <PaddingBottom>2pt</PaddingBottom>
                        <PaddingRight>2pt</PaddingRight>
                        <PaddingTop>2pt</PaddingTop>
                      </Style>
                      <CanGrow>true</CanGrow>
                      <Value>=Fields!PatientOfMedcialCase.Value</Value>
                    </Textbox>
                  </ReportItems>
                </TableCell>
              </TableCells>
              <Height>0.63492cm</Height>
            </TableRow>
          </TableRows>
        </Details>
        <Header>
          <TableRows>
            <TableRow>
              <TableCells>
                <TableCell>
                  <ReportItems>
                    <Textbox Name="textbox1">
                      <rd:DefaultName>textbox1</rd:DefaultName>
                      <ZIndex>11</ZIndex>
                      <Style>
                        <PaddingLeft>2pt</PaddingLeft>
                        <PaddingBottom>2pt</PaddingBottom>
                        <PaddingRight>2pt</PaddingRight>
                        <PaddingTop>2pt</PaddingTop>
                      </Style>
                      <CanGrow>true</CanGrow>
                      <Value>ID</Value>
                    </Textbox>
                  </ReportItems>
                </TableCell>
                <TableCell>
                  <ReportItems>
                    <Textbox Name="textbox2">
                      <rd:DefaultName>textbox2</rd:DefaultName>
                      <ZIndex>10</ZIndex>
                      <Style>
                        <PaddingLeft>2pt</PaddingLeft>
                        <PaddingBottom>2pt</PaddingBottom>
                        <PaddingRight>2pt</PaddingRight>
                        <PaddingTop>2pt</PaddingTop>
                      </Style>
                      <CanGrow>true</CanGrow>
                      <Value>Name</Value>
                    </Textbox>
                  </ReportItems>
                </TableCell>
                <TableCell>
                  <ReportItems>
                    <Textbox Name="textbox4">
                      <rd:DefaultName>textbox4</rd:DefaultName>
                      <ZIndex>9</ZIndex>
                      <Style>
                        <PaddingLeft>2pt</PaddingLeft>
                        <PaddingBottom>2pt</PaddingBottom>
                        <PaddingRight>2pt</PaddingRight>
                        <PaddingTop>2pt</PaddingTop>
                      </Style>
                      <CanGrow>true</CanGrow>
                      <Value>Name</Value>
                    </Textbox>
                  </ReportItems>
                </TableCell>
                <TableCell>
                  <ReportItems>
                    <Textbox Name="textbox3">
                      <rd:DefaultName>textbox3</rd:DefaultName>
                      <ZIndex>8</ZIndex>
                      <Style>
                        <PaddingLeft>2pt</PaddingLeft>
                        <PaddingBottom>2pt</PaddingBottom>
                        <PaddingRight>2pt</PaddingRight>
                        <PaddingTop>2pt</PaddingTop>
                      </Style>
                      <CanGrow>true</CanGrow>
                      <Value>Patient Of Medcial Case</Value>
                    </Textbox>
                  </ReportItems>
                </TableCell>
              </TableCells>
              <Height>0.63492cm</Height>
            </TableRow>
          </TableRows>
        </Header>
        <TableColumns>
          <TableColumn>
            <Width>5.33333cm</Width>
          </TableColumn>
          <TableColumn>
            <Width>8cm</Width>
          </TableColumn>
          <TableColumn>
            <Width>5.33333cm</Width>
          </TableColumn>
          <TableColumn>
            <Width>5.33333cm</Width>
          </TableColumn>
        </TableColumns>
        <Height>1.90476cm</Height>
      </Table>
    </ReportItems>
    <Height>5cm</Height>
  </Body>
  <rd:ReportID>a69b2d8e-258a-4212-8d4a-c67c96055732</rd:ReportID>
  <LeftMargin>2.5cm</LeftMargin>
  <DataSets>
    <DataSet Name="WindowsApplication1_MedcialCase">
      <rd:DataSetInfo>
        <rd:DataSetName>WindowsApplication1</rd:DataSetName>
        <rd:ObjectDataSourceType>WindowsApplication1.MedcialCase, WindowsApplication1, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null</rd:ObjectDataSourceType>
        <rd:TableName>MedcialCase</rd:TableName>
      </rd:DataSetInfo>
      <Query>
        <rd:UseGenericDesigner>true</rd:UseGenericDesigner>
        <CommandText />
        <DataSourceName>DummyDataSource</DataSourceName>
      </Query>
      <Fields>
        <Field Name="ID">
          <rd:TypeName>System.Guid</rd:TypeName>
          <DataField>ID</DataField>
        </Field>
        <Field Name="PatientOfMedcialCase">
          <rd:TypeName>WindowsApplication1.Patient</rd:TypeName>
          <DataField>PatientOfMedcialCase</DataField>
        </Field>
        <Field Name="Name">
          <rd:TypeName>System.String</rd:TypeName>
          <DataField>Name</DataField>
        </Field>
      </Fields>
    </DataSet>
  </DataSets>
  <Width>24cm</Width>
  <InteractiveHeight>29.7cm</InteractiveHeight>
  <Language>en-US</Language>
  <TopMargin>2.5cm</TopMargin>
  <PageHeight>29.7cm</PageHeight>
</Report>

the object I bind  to the Report like

public class MedcialCase
    {
        private Guid iD;

        public Guid ID
        {
            get { return iD; }
            set { iD = value; }
        }

        private Patient patient;

        public Patient PatientOfMedcialCase
        {
            get { return patient; }
            set { patient = value; }
        }

    }

    public class Patient
    {
        private string name;

        public string Name
        {
            get { return name; }
            set { name = value; }
        }

    }

and the code bind object to report like

  MedcialCase medcialCase = new MedcialCase();
  medcialCase.ID = Guid.NewGuid();
  Patient patient = new Patient();
  patient.Name = "Michael";
  medcialCase.PatientOfMedcialCase = patient;
  this.MedcialCaseBindingSource.DataSource = medcialCase;
  this.reportViewer1.RefreshReport();

I choose the MedcialCase.ID and MedcialCase.PatientOfMedcialCase.Name to show, but when the report was run ,,just MedcialCase.ID has been shown,
the text of MedcialCase.PatientOfMedcialCase.Name is "=Fields!Name.Value"

I modify it to "=Fields!PatientOfMedcialCase.Value.Name.Value" and run it ,the "#Error" show in the text of Name

anyone can tell me why?and how to bind object like MedcialCase to the Report?

thanks!

 

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I have spent the past couple of days getting up to speed on this feature and seeing if we can easily migrate it into our existing application. However, I've hit a couple of stumbling blocks and was hoping perhaps someone here could either tell me the solution or point me in the right direction.

I'm not having any problems creating basic reports (e.g. flat data).

However, I am having problems creating reports where there are related tables in a dataset.

The way it works with our existing solution is that I get a dataset (which contains several data tables) and point it to the report's datasource. That report expects those tables and I have defined table-relationships in the report which process and display the information correctly.

I'm not having as much luck with RDLC.

I can go into futher detail about how I'm creating the report, but let me just ask these general questions first:
1. Can I set a dataset containing multiple datatables equal to a property on an RDLC report and that RDLC report know how to treat and display the data?
2. Is there a better/smarter than this to get a field selection from my datasource (remember, this information is coming from a stored procedure so connecting directly to the database is not an option):
a. In code, populate dataset
b. In code, write dataset schema to xml (e.g. an xsd file)
c. In Visual Studio, add the XSD file to project
d. Use fields from XSD file to drag and drop fields on report

A fancy example would be nice too. I've googled like crazy the past couple of days and downloaded as many samples as I can find (including the ones on ftponline.com, gotreportviewer.com, "Tudor's WebLog", and several others). However, I have yet to find one that uses grouping and related datatables.

Thank you so much (if, for nothing else, reading this post )

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Nov 14, 2006

Hi all,

I'm getting this problem 'Object reference not set to an instance of an object.' whenever I try to review a report and I checked the log file and this is what it had



w3wp!ui!1!11/14/2006-10:54:20:: Unhandled exception: System.NullReferenceException: Object reference not set to an instance of an object.
at Microsoft.Reporting.WebForms.WebRequestHelper.GetExceptionForMoreInformationNode(XmlNode moreInfo, XmlNamespaceManager namespaces)
at Microsoft.Reporting.WebForms.WebRequestHelper.ExceptionFromWebResponse(Exception e)
at Microsoft.Reporting.WebForms.ServerReport.ServerUrlRequest(Boolean isAbortable, String url, Stream outputStream, String& mimeType, String& fileNameExtension)
at Microsoft.Reporting.WebForms.ServerReport.GetStyleSheet(String styleSheetName)
at Microsoft.Reporting.WebForms.ReportServerStyleSheetOperation.PerformOperation(NameValueCollection urlQuery, HttpResponse response)
at Microsoft.Reporting.WebForms.HttpHandler.ProcessRequest(HttpContext context)
at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)

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Much Thanks,



Carl





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regards,
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Here is the Soure Error and Stack Trace info:


Server Error in '/Reports' Application.


Object reference not set to an instance of an object.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.

Source Error:





An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
Stack Trace:





[NullReferenceException: Object reference not set to an instance of an object.]
Microsoft.Reporting.WebForms.WebRequestHelper.GetExceptionForMoreInformationNode(XmlNode moreInfo, XmlNamespaceManager namespaces) +18
Microsoft.Reporting.WebForms.WebRequestHelper.ExceptionFromWebResponse(Exception e) +358
Microsoft.Reporting.WebForms.ServerReport.ServerUrlRequest(Boolean isAbortable, String url, Stream outputStream, String& mimeType, String& fileNameExtension) +482
Microsoft.Reporting.WebForms.ServerReport.InternalRender(Boolean isAbortable, String format, String deviceInfo, NameValueCollection urlAccessParameters, Stream reportStream, String& mimeType, String& fileNameExtension) +958
Microsoft.Reporting.WebForms.ServerReportControlSource.RenderReport(String format, String deviceInfo, NameValueCollection additionalParams, String& mimeType, String& fileExtension) +84
Microsoft.Reporting.WebForms.ExportOperation.PerformOperation(NameValueCollection urlQuery, HttpResponse response) +143
Microsoft.Reporting.WebForms.HttpHandler.ProcessRequest(HttpContext context) +75
System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +154
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +64

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With regards,
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