GridViewTemplates.GroupRowContent Property

Specifies a template to display the group row content.

Namespace: DevExpress.Web

Assembly: DevExpress.Web.v21.2.dll

NuGet Package: DevExpress.Web

Declaration

C#

[DefaultValue(null)]
public virtual ITemplate GroupRowContent { get; set; }

VB.NET

<DefaultValue(Nothing)>
Public Overridable Property GroupRowContent As ITemplate

Property Value

Type	Default	Description
ITemplate	null	An object that implements the ITemplate interface.

Remarks

When you specify the GroupRowContent property, the control creates a template within a container object of the GridViewGroupRowTemplateContainer type.

Refer to the Create Templates topic for information on how to create templates for the Grid View control’s elements.

Example

In the example below, the group row content template contains ASPxCheckBox to expand/collapse grid groups.

View Example: How to use the ASPxCheckBox to expand and collapse ASPxGridView groups

ASPX

<dx:ASPxGridView ID="ASPxGridView1" runat="server" ClientInstanceName="grid" AutoGenerateColumns="False">
    <Settings ShowGroupButtons="False" ShowGroupPanel="True" />
    <Columns>
        <dx:GridViewDataTextColumn FieldName="ProductID" ReadOnly="True" VisibleIndex="0">
            <EditFormSettings Visible="False" />
        </dx:GridViewDataTextColumn>
        <dx:GridViewDataTextColumn FieldName="ProductName" VisibleIndex="1" />
        <dx:GridViewDataTextColumn FieldName="CategoryID" VisibleIndex="2" GroupIndex="0"
            SortIndex="0" SortOrder="Ascending" />
        <dx:GridViewDataTextColumn FieldName="UnitPrice" VisibleIndex="3" />
        <dx:GridViewDataTextColumn FieldName="UnitsInStock" VisibleIndex="4" />
    </Columns>
    <Templates>
        <GroupRowContent>
            <dx:ASPxCheckBox ID="ASPxCheckBox1" runat="server" OnInit="ASPxCheckBox1_Init" />
            <%# Container.GroupText + Container.KeyValue%>
        </GroupRowContent>
    </Templates>
</dx:ASPxGridView>

JS

function ExpandCollapse(sender, index) {
    if (sender.GetChecked())
        grid.ExpandRow(index);
    else
        grid.CollapseRow(index);
}

C#

protected void ASPxCheckBox1_Init(object sender, EventArgs e) {
    ASPxCheckBox cb = sender as ASPxCheckBox;
    GridViewGroupRowTemplateContainer container = cb.NamingContainer as GridViewGroupRowTemplateContainer;
    if (ASPxGridView1.IsRowExpanded(container.VisibleIndex))
        cb.Checked = true;
    cb.ClientSideEvents.CheckedChanged = string.Format("function (s, e) {{ ExpandCollapse(s, {0}); }}", container.VisibleIndex);
}

VB.NET

Protected Sub ASPxCheckBox1_Init(ByVal sender As Object, ByVal e As EventArgs)
    Dim cb As ASPxCheckBox = TryCast(sender, ASPxCheckBox)
    Dim container As GridViewGroupRowTemplateContainer = TryCast(cb.NamingContainer, GridViewGroupRowTemplateContainer)
    If ASPxGridView1.IsRowExpanded(container.VisibleIndex) Then
        cb.Checked = True
    End If
    cb.ClientSideEvents.CheckedChanged = String.Format("function (s, e) {{ ExpandCollapse(s, {0}); }}", container.VisibleIndex)
End Sub