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How to select top "n" records from Cube?

Platform: ASP.NET Web Forms (Classic) |
Control: OlapGrid |
Published Date: February 9, 2015 |
Last Revised Date: July 2, 2019

This KB illustrates that how to select top "n" records from Cube.

Solution

You can select the top “n” records from the Cube by using TopCountElement in OlapReport.

C#

OlapReport olapReport = new OlapReport();olapReport.Name = "Customer Report";olapReport.CurrentCubeName = "Adventure Works"; DimensionElement dimensionElementColumn = new DimensionElement();//Specifying the Name for the Dimension ElementdimensionElementColumn.Name = "Customer";dimensionElementColumn.AddLevel("Customer Geography", "Country"); //Creating Measure ElementMeasureElements measureElementColumn = new MeasureElements();measureElementColumn.Elements.Add(new MeasureElement { Name =
"Internet Sales Amount" }); DimensionElement dimensionElementRow = new DimensionElement();//Specifying the Dimension NamedimensionElementRow.Name = "Date";dimensionElementRow.AddLevel("Fiscal", "Fiscal Year"); //Filter the top 5 elements of "Internet Sales Amount".TopCountElement topCountElement = new
TopCountElement(AxisPosition.Categorical, 5);topCountElement.MeasureName = "Internet Sales Amount"; /// Adding Column MembersolapReport.CategoricalElements.Add(dimensionElementColumn);///Adding Measure ElementolapReport.CategoricalElements.Add(measureElementColumn);///Adding Measure ElementolapReport.CategoricalElements.Add(topCountElement);///Adding Row MembersolapReport.SeriesElements.Add(dimensionElementRow);

VB

Dim olapReport As OlapReport = New OlapReport()
olapReport.Name = "Customer Report"
olapReport.CurrentCubeName = "Adventure Works"
Dim dimensionElementColumn As DimensionElement = New DimensionElement()
'Specifying the Name for the Dimension Element
dimensionElementColumn.Name = "Customer"
dimensionElementColumn.AddLevel("Customer Geography", "Country")
'Creating Measure Element
Dim measureElementColumn As MeasureElements = New MeasureElements()
measureElementColumn.Elements.Add(New MeasureElement With {.Name = "Internet Sales Amount"})
Dim dimensionElementRow As DimensionElement = New DimensionElement()
'Specifying the Dimension Name
dimensionElementRow.Name = "Date"
dimensionElementRow.AddLevel("Fiscal", "Fiscal Year")
'Filter the top 5 elements of "Internet Sales Amount".
Dim topCountElement As TopCountElement = New TopCountElement(AxisPosition.Categorical, 5)
topCountElement.MeasureName = "Internet Sales Amount"
''' Adding Column Members
olapReport.CategoricalElements.Add(dimensionElementColumn)
'''Adding Measure Element
olapReport.CategoricalElements.Add(measureElementColumn)
'''Adding Measure Element
olapReport.CategoricalElements.Add(topCountElement)
'''Adding Row Members
olapReport.SeriesElements.Add(dimensionElementRow)

 

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