GridControl.InvalidRowHandle Field

Contains the value representing the invalid row handle. This value is returned when an attempt to obtain a particular row fails, etc. Please refer to the Rows topic for more information regarding row handles.

Namespace: DevExpress.XtraGrid

Assembly: DevExpress.XtraGrid.v18.2.dll

Declaration

C#

public const int InvalidRowHandle = -2147483648

VB.NET

Public Const InvalidRowHandle As Integer = -2147483648

Field Value

Type
Int32

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the InvalidRowHandle field.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

drag-and-drop-between-detail-views-when-using-linq-to-sql-e1502/CS/mainForm.cs#L43

        if (e.Button != MouseButtons.Left || dragRect.Location == Point.Empty ||
dragRect.Contains(e.Location) || dragRowHandle == GridControl.InvalidRowHandle) return;
        GridView view = (GridView)sender;

how-to-implement-hot-tracking-for-grid-rows-e724/CS/E724/CS/ViewHotTrackHelper.cs#L38

if (targetView == null) return;
SetHotTrack(GridControl.InvalidRowHandle);
targetView.MouseMove -= TargetView_MouseMove;

how-to-preserve-the-xtragrid-view-state-in-multi-level-master-detail-e1466/CS/RefreshHelperClass.cs#L116

int dataRowHandle = LocateRowByKeyValue(view, rowInfo.Id);
if (dataRowHandle != GridControl.InvalidRowHandle) {
    int parentRowHandle = FindParentRowHandle(view, rowInfo, dataRowHandle);

how-to-highlight-fields-in-cardview-e276/CS/Form1.cs#L202

set {
    int prevHotTrackRow = hotTrackCell == null ? GridControl.InvalidRowHandle : hotTrackCell.RowHandle;
    if(value == null) return;

how-to-locate-a-row-by-display-text-e2147/CS/WindowsApplication1/GridViewSearch.cs#L48

{
    if (SearchColumn == null) return GridControl.InvalidRowHandle;
    startRowHandle = Math.Max(0, startRowHandle);

VB.NET

drag-and-drop-between-detail-views-when-using-linq-to-sql-e1502/VB/mainForm.vb#L40

Private Sub OnChildViewMouseMove(ByVal sender As Object, ByVal e As MouseEventArgs) Handles gridView2.MouseMove
    If e.Button <> MouseButtons.Left OrElse dragRect.Location = Point.Empty OrElse dragRect.Contains(e.Location) OrElse dragRowHandle = GridControl.InvalidRowHandle Then
        Return

how-to-implement-hot-tracking-for-grid-rows-e724/VB/E724/CS/ViewHotTrackHelper.vb#L49

End If
SetHotTrack(GridControl.InvalidRowHandle)
RemoveHandler targetView.MouseMove, AddressOf TargetView_MouseMove

how-to-preserve-the-xtragrid-view-state-in-multi-level-master-detail-e1466/VB/RefreshHelperClass.vb#L127

Dim dataRowHandle As Integer = LocateRowByKeyValue(view, rowInfo.Id)
If dataRowHandle <> GridControl.InvalidRowHandle Then
    Dim parentRowHandle As Integer = FindParentRowHandle(view, rowInfo, dataRowHandle)

how-to-highlight-fields-in-cardview-e276/VB/Form1.vb#L192

If hotTrackCell_Renamed Is Nothing Then
    prevHotTrackRow = GridControl.InvalidRowHandle
Else

how-to-locate-rows-in-xtragrid-by-a-value-in-a-column-e821/VB/Form1.vb#L181

Private Function GetRowHandleByColumnValue(ByVal view As GridView, ByVal ColumnFieldName As String, ByVal value As Object) As Integer
    Dim result As Integer = GridControl.InvalidRowHandle
    For i As Integer = 0 To view.RowCount - 1