R – DevExpress ASPxGridView Fitlers

I've finally managed to get around the problem.

Not a good solution, but, still, a way to work around it.

So.. The "solution" is to databind the grid on every AfterPerformCallback event.

void grid_AfterPerformCallback(object sender, ASPxGridViewAfterPerformCallbackEventArgs e)
    {
        ((DevExpress.Web.ASPxGridView.ASPxGridView)sender).DataBind();
    }

As I've said, it's not a good solution.

Set the ASPxGridView.Settings.ShowHeaderFilterButton property to true to resolve this problem.

The following markup works fine for me (I am using DXperience 10.1.7):

<asp:AccessDataSource ID="AccessDataSource1" runat="server" DataFile="~/App_Data/nwind.mdb"
    SelectCommand="SELECT * FROM [Categories]"></asp:AccessDataSource>
<dx:ASPxGridView ID="ASPxGridView1" runat="server" AutoGenerateColumns="False" ClientInstanceName="grid"
    DataSourceID="AccessDataSource1" KeyFieldName="CategoryID">
    <SettingsCustomizationWindow Enabled="True" />
    <Columns>
        <dx:GridViewDataTextColumn FieldName="CategoryID" ReadOnly="True" VisibleIndex="0">
            <EditFormSettings Visible="False"/>
            <Settings AllowHeaderFilter="False" />
        </dx:GridViewDataTextColumn>
        <dx:GridViewDataTextColumn FieldName="CategoryName" Visible="False" VisibleIndex="1">
            <Settings AllowHeaderFilter="True" />
        </dx:GridViewDataTextColumn>
        <dx:GridViewDataTextColumn FieldName="Description" VisibleIndex="2">
        <Settings AllowHeaderFilter="False" />
        </dx:GridViewDataTextColumn>
    </Columns>
    <Settings ShowHeaderFilterButton="True" />
</dx:ASPxGridView>