ASPxGridView.IsAllowSort(GridViewColumn) Method

Indicates whether sorting by the specified column is enabled.

Namespace: DevExpress.Web

Assembly: DevExpress.Web.v24.2.dll

Declaration

C#

public bool IsAllowSort(
    GridViewColumn column
)

VB.NET

Public Function IsAllowSort(
    column As GridViewColumn
) As Boolean

Parameters

Name	Type	Description
column	GridViewColumn	The data column.

Returns

Type	Description
Boolean	true if the sort mode is enabled; otherwise, false.

Remarks

ASPxGridView allows you to control sorting at the column (the GridDataColumnSettings.AllowSort property) and control (the ASPxGridBehaviorSettings.AllowSort property) levels.

Call the IsAllowSort method to get information about the sort availability of the specified column.

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

ASPX

<dx:ASPxGridView ID="grid" ClientInstanceName="grid" runat="server" KeyFieldName="ProductID"
    OnCustomCallback="grid_CustomCallback">
    <Columns>
        <dx:GridViewDataTextColumn FieldName="ProductName" VisibleIndex="0" />
        <%--...--%>
    </Columns>
</dx:ASPxGridView>
<br />
<dx:ASPxButton ID="ASPxButton1" runat="server" Text="Disable the sort mode" AutoPostBack="false">
    <ClientSideEvents Click="OnClick" />
</dx:ASPxButton>

JS

function OnClick(s, e) {
    grid.PerformCallback();
}

C#

protected void grid_CustomCallback(object sender, ASPxGridViewCustomCallbackEventArgs e) {
    var column = grid.Columns["ProductName"] as GridViewDataColumn;
    if(grid.IsAllowSort(column)) {
        column.Settings.AllowSort = DevExpress.Utils.DefaultBoolean.False;
    }
}

VB.NET

Protected Sub grid_CustomCallback(ByVal sender As Object, ByVal e As ASPxGridViewCustomCallbackEventArgs)
    Dim column = TryCast(grid.Columns("ProductName"), GridViewDataColumn)

    If grid.IsAllowSort(column) Then
        column.Settings.AllowSort = DevExpress.Utils.DefaultBoolean.[False]
    End If
End Sub