Count Property (History)

Returns the number of page views in the history.

Syntax

Visual Basic
C#

'Declaration
 
Public ReadOnly Property Count As Integer

public int Count {get;}

Example

private void btnBack_Click(object sender, System.EventArgs e)
{
    arv.ReportViewer.History.MovePrev();
    btnBack.Enabled = (arv.ReportViewer.History.Position >= 0);
    btnForward.Enabled = (arv.ReportViewer.History.Position < arv.ReportViewer.History.Count);
}

private void btnForward_Click(object sender, System.EventArgs e)
{
    arv.ReportViewer.History.MoveNext();
    btnBack.Enabled = (arv.ReportViewer.History.Position >= 0);
    btnForward.Enabled = (arv.ReportViewer.History.Position < arv.ReportViewer.History.Count);
}

Visual Basic

Private Sub btnBack_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnBack.Click
    With arv.ReportViewer.History
        .MovePrev()
        btnBack.Enabled = (.Position >= 0)
        btnForward.Enabled = (.Position < .Count)
    End With
End Sub

Private Sub btnForward_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnForward.Click
    With arv.ReportViewer.History
        .MoveNext()
        btnBack.Enabled = (.Position >= 0)
        btnForward.Enabled = (.Position < .Count)
    End With
End Sub

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

History Class
History Members