Expression Constructor(String)

Initializes a new instance of the Expression class with the specified expression.

Syntax

Visual Basic (Declaration)
Visual Basic (Usage)
C#

Public Function New( _
   ByVal expression As String _
)

Dim expression As String
 
Dim instance As New Expression(expression)

public Expression( 
   string expression
)

Parameters

expression: The expression string.

Example

The following code example shows how to customize the summary cell's calculation logic. This code example is part of a larger example provided for the SummaryCell class.

private SummaryCell CreateSubTotalSummaryCell()
        {
            // Calculates the subtotal based on 'Price' and 'Count' in the same row.
            SummaryCell summaryCell = new SummaryCell();
            summaryCell.Name = "SubTotal";
            summaryCell.Calculation = new Expression("Price * Count");
            summaryCell.Style.Format = "C";
            summaryCell.Style.BackColor = Color.Wheat;
            return summaryCell;
        }

VB.NET

Private Function CreateSubTotalSummaryCell() As SummaryCell
        ' Calculates the subtotal based on 'Price' and 'Count' in the same row.
        Dim summaryCell As New SummaryCell()
        summaryCell.Name = "SubTotal"
        summaryCell.Calculation = New Expression("Price * Count")
        summaryCell.Style.Format = "C"
        summaryCell.Style.BackColor = Color.Wheat
        Return summaryCell
    End Function

Requirements

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

Expression Class
Expression Members
Overload List