ASPxGridViewEditFormLayoutEventArgs.FindLayoutItemOrGroup(String) Method

Returns a layout item or group object with the specified name.

Namespace: DevExpress.Web

Assembly: DevExpress.Web.v24.1.dll

NuGet Package: DevExpress.Web

Declaration

C#

public LayoutItemBase FindLayoutItemOrGroup(
    string name
)

VB.NET

Public Function FindLayoutItemOrGroup(
    name As String
) As LayoutItemBase

Parameters

Name	Type	Description
name	String	The layout item or group name.

Returns

Type	Description
LayoutItemBase	The layout item or group.

Remarks

In the following example, the FindLayoutItemOrGroup(String) method gets a layout group whose name is “DismissalInformation” and makes it visible on the client if a user fills the “Dismissal Date” field.

ASPX

<dx:ASPxGridView ID="grid" runat="server" OnEditFormLayoutCreated="grid_EditFormLayoutCreated" >
    // ...
    <EditFormLayoutProperties >
        <Items>
            <dx:GridViewTabbedLayoutGroup>
                <Items>
                    <dx:GridViewLayoutGroup ColumnCount="2" Caption="Employee Information">
                        // ...
                    </dx:GridViewLayoutGroup>
                    <dx:GridViewLayoutGroup Caption="Dismissal Information" Name="DismissalInformation">
                        <Items>
                            // ...
                        </Items>
                    </dx:GridViewLayoutGroup>
                </Items>
            </dx:GridViewTabbedLayoutGroup>
        </Items>
    </EditFormLayoutProperties>
</dx:ASPxGridView>

C#

protected void grid_EditFormLayoutCreated(object sender, DevExpress.Web.ASPxGridViewEditFormLayoutEventArgs e) {
    ASPxGridView gridView = sender as ASPxGridView;
    LayoutGroup layoutGroupDismissal = (LayoutGroup)e.FindLayoutItemOrGroup("DismissalInformation");

    if(layoutGroupDismissal == null) return;
    if(gridView.IsNewRowEditing) {
        layoutGroupDismissal.Visible = false;
        return;
    }
    var fireDate = gridView.GetRowValues(e.RowVisibleIndex, "FireDate");
    layoutGroupDismissal.ClientVisible = fireDate != null && (DateTime)fireDate != DateTime.MinValue;
}

Related Client-Side API:

• GetEditFormLayoutItemByColumn(column) - Returns the form layout item located in the specified column.
• GetEditFormLayoutItemOrGroup(name) - Returns the form layout item or group with the specified name.

Online Demo

• ASPxGridView - Edit Form Layout