GanttCustomCallbackEventArgs.Argument Property

Returns string information passed from the client-side (if any).

Namespace: DevExpress.Web.ASPxGantt

Assembly: DevExpress.Web.ASPxGantt.v23.2.dll

NuGet Package: DevExpress.Web

Declaration

C#

public string Argument { get; }

VB.NET

Public ReadOnly Property Argument As String

Property Value

Type	Description
String	A string passed from the client-side.

Remarks

Call the client PerformCallback method with specified information as a parameter to pass it to the server CustomCallback event handler. To obtain this information use the Argument property.

The following example shows how to pass a clicked task’s key value to the CustomCallback event handler:

ASPX

<script type="text/javascript">
    function onClickTask(s, e) {
        clientGantt.PerformCallback(e.key);
    }
</script>

<dx:ASPxGantt ID="Gantt" runat="server" ClientInstanceName="clientGantt" OnCustomCallback="Gantt_CustomCallback" ...>
    <!--...-->
</dx:ASPxGantt>

C#

protected void Gantt_CustomCallback(object sender, DevExpress.Web.ASPxGantt.GanttCustomCallbackEventArgs e){
    string key = e.Argument;
    //...
}

VB.NET

Protected Sub Gantt_CustomCallback(ByVal sender As Object, ByVal e As DevExpress.Web.ASPxGantt.GanttCustomCallbackEventArgs)
    Dim key As String = e.Argument
    '...
End Sub