GridOptionsDetail.AllowExpandEmptyDetails Property

Gets or sets a value specifying whether master rows can be expanded when details have no data.

Namespace: DevExpress.XtraGrid.Views.Grid

Assembly: DevExpress.XtraGrid.v19.1.dll

Declaration

C#

[DefaultValue(false)]
[XtraSerializableProperty]
public virtual bool AllowExpandEmptyDetails { get; set; }

VB.NET

<DefaultValue(False)>
<XtraSerializableProperty>
Public Overridable Property AllowExpandEmptyDetails As Boolean

Property Value

Type	Default	Description
Boolean	**false**	true if master rows can be expanded when details have no data; otherwise, false.

Property Paths

You can access this nested property as listed below:

Object Type	Path to AllowExpandEmptyDetails
AdvBandedGridView	.OptionsDetail.AllowExpandEmptyDetails
BandedGridView	.OptionsDetail.AllowExpandEmptyDetails
GridView	.OptionsDetail.AllowExpandEmptyDetails

Remarks

Data can be supplied to empty details manually. Handle the GridView.MasterRowGetChildList event for this purpose.

Setting the AllowExpandEmptyDetails option is not in effect when the GridOptionsDetail.EnableMasterViewMode option is disabled.

Related GitHub Examples

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

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#

how-disable-particular-detail-tabs-in-a-master-detail-grid-e3334/CS/WindowsApplication3/MyGrid.cs#L50

{
    if (!OptionsDetail.AllowExpandEmptyDetails && IsMasterRowEmptyEx(rowHandle, detail.RelationIndex))
        continue;

how-to-expand-empty-master-rows-e3136/CS/Form1.cs#L22

    gridView1.MasterRowEmpty += gridView1_MasterRowEmpty;
    gridView1.OptionsDetail.AllowExpandEmptyDetails = true;
}

how-to-hide-expand-collapse-buttons-for-master-rows-without-detail-records-e3114/CS/A899Example/Form1.cs#L37

gridControl1.DataSource = dataSet.Tables["MasterTable"];
gridView1.OptionsDetail.AllowExpandEmptyDetails = true;

VB.NET

how-disable-particular-detail-tabs-in-a-master-detail-grid-e3334/VB/WindowsApplication3/MyGrid.vb#L68

For Each detail As GridDetailInfo In details
    If Not OptionsDetail.AllowExpandEmptyDetails AndAlso IsMasterRowEmptyEx(rowHandle, detail.RelationIndex) Then
        Continue For

how-to-expand-empty-master-rows-e3136/VB/VB/Form1.vb#L21

    AddHandler gridView1.MasterRowEmpty, AddressOf gridView1_MasterRowEmpty
    gridView1.OptionsDetail.AllowExpandEmptyDetails = True
End Sub

how-to-hide-expand-collapse-buttons-for-master-rows-without-detail-records-e3114/VB/A899Example/Form1.vb#L35

gridControl1.DataSource = dataSet.Tables("MasterTable")
gridView1.OptionsDetail.AllowExpandEmptyDetails = True