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dotnet-api
dotnet-standard-api
- C1.DataEngine Assembly
  - C1.DataEngine
    - Classes
      - BaseTable
      - Column
      - ColumnCondition
      - ColumnCopy
      - ColumnDerived
      - ColumnOp
      - ColumnOpCustom
      - ColumnOpCustomBase
      - ColumnOpCustomGroup
      - Columns
      - CondValue
      - CondValues
      - Condition
      - Connector
      - Converter
      - DbConnector
      - JoinColumns
      - JoinQuery
      - LicenseManager
      - ObjectConnector<T>
      - Op
        
        Methods
        
        Add
        
        Avg
        
        Count
        
        Div
        
        Dt
        
        DtPart
        
        First
        
        Fmt
        
        LCase
        
        Last
        
        Max
        
        Min
        
        Mod
        
        Mul
        
        Rnd
        
        Rpl
        
        Std
        
        StdP
        
        Sub
        
        SubStr
        
        Sum
        
        UCase
        
        Var
        
        VarP
      - Query
      - Table
      - UnsupportedTypeException
      - Values
      - Workspace
    - Enums
    - Interfaces
    - Delegates
- C1.PivotEngine Assembly

C1.DataEngine.Op.Count

Count Method

Count(Column)

Count: aggregation operation.

Declaration

public static ColumnOp Count(Column col)

Public Shared Function Count(col As Column) As ColumnOp

Parameters

Type	Name	Description
Column	col	Operand column.

Returns

Type	Description
ColumnOp