ASPxClientGridView.ExpandAll Method

Expands all group rows.

Declaration

ExpandAll(): void

Remarks

Call the client-side ExpandAll or CollapseAll method to expand or collapse all group rows in the grid.

To expand or collapse a particular group row on the client side, call the ExpandRow(visibleIndex) or CollapseRow(visibleIndex) method.

For more information on grouping in the grid, refer to the following topic: ASPxGridView - Group Data.

Run Demo: ASPxGridView - Group Data

ASPX

<dx:ASPxGridView ID="ASPxGridView1" runat="server" ClientInstanceName="grid">
    <%--...--%>
    <Settings ShowGroupPanel="true" />
</dx:ASPxGridView>
<br />
<dx:ASPxButton ID="ASPxButton1" runat="server" Text="Expand All" AutoPostBack="false">
    <ClientSideEvents Click="ExpandRows" />
</dx:ASPxButton>
<dx:ASPxButton ID="ASPxButton2" runat="server" Text="Collapse All" AutoPostBack="false">
    <ClientSideEvents Click="CollapseRows" />
</dx:ASPxButton>

JS

function ExpandRows(s, e) {
    grid.ExpandAll();
}

function CollapseRows(s, e) {
    grid.CollapseAll();
}