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.v24.2.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#

winforms-preserve-grid-state-on-refresh/CS/RefreshHelperClass.cs#L61

int dataRowHandle = view.LocateByValue(0, view.Columns[keyFieldName], rowInfo.Id);
if(dataRowHandle != GridControl.InvalidRowHandle){
    int parentRowHandle = FindParentRowHandle(rowInfo, dataRowHandle);

winforms-grid-find-row-by-display-text/CS/WindowsApplication1/GridViewSearch.cs#L48

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

winforms-grid-prevent-focusing-group-row/CS/Form1.cs#L33

{
    if (e.PrevFocusedRowHandle == GridControl.InvalidRowHandle)
        focusedRowHandle = 0;

winforms-grid-select-detail-rows-when-selecting-master-row/CS/MasterDetailSelectionHelper.cs#L35

}
if (_GridView.IsMasterRow(e.ControllerRow) || e.ControllerRow == GridControl.InvalidRowHandle)
{

winforms-grid-reorder-tileview-cards-sql/CS/Reorder/Form1.cs#L32

that are already in the target group */
if(e.NewGroupRowHandle != GridControl.InvalidRowHandle) {
    int childRowCount = view.GetChildRowCount(e.NewGroupRowHandle);

VB.NET

winforms-preserve-grid-state-on-refresh/VB/RefreshHelperClass.vb#L67

Dim dataRowHandle As Integer = view.LocateByValue(0, view.Columns(keyFieldName), rowInfo.Id)
If dataRowHandle <> GridControl.InvalidRowHandle Then
    Dim parentRowHandle As Integer = FindParentRowHandle(rowInfo, dataRowHandle)

winforms-grid-find-row-by-display-text/VB/WindowsApplication1/GridViewSearch.vb#L52

Private Function FindRow(ByVal startRowHandle As Integer, ByVal isForward As Boolean) As Integer
    If SearchColumn Is Nothing Then Return GridControl.InvalidRowHandle
    startRowHandle = Math.Max(0, startRowHandle)

winforms-grid-prevent-focusing-group-row/VB/Form1.vb#L31

If e.FocusedRowHandle < 0 Then
    If e.PrevFocusedRowHandle = GridControl.InvalidRowHandle Then
        focusedRowHandle = 0

winforms-grid-select-detail-rows-when-selecting-master-row/VB/MasterDetailSelectionHelper.vb#L30

End If
If _GridView.IsMasterRow(e.ControllerRow) OrElse e.ControllerRow = GridControl.InvalidRowHandle Then
    UpdateSelection(e.ControllerRow)

winforms-grid-reorder-tileview-cards-sql/VB/Reorder/Form1.vb#L29

' that are already in the target group
If e.NewGroupRowHandle <> GridControl.InvalidRowHandle Then
    Dim childRowCount As Integer = view.GetChildRowCount(e.NewGroupRowHandle)