CustomCallbackEventArgs.Parameter Property

Gets a string that contains specific information (if any) passed from the client side.

Namespace: DevExpress.XtraCharts.Web

Assembly: DevExpress.XtraCharts.v19.1.Web.dll

Declaration

C#

public string Parameter { get; }

VB.NET

Public ReadOnly Property Parameter As String

Property Value

Type	Description
String	A string value that contains specific information collected on the client side and passed to the event for further server-side processing.

Remarks

Use the Parameter property to obtain specific information which has been collected on the client side and passed via the ASPxClientWebChartControl.PerformCallback client method to the server for further server-side processing.

Related GitHub Examples

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the Parameter property.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

how-to-refresh-chart-when-grid-records-were-changed-e1259/CS/ChartWithGrid/Default.aspx.cs#L23

{
    if (e.Parameter == "GridChanged")
        WebChartControl1.DataBind();

VB.NET

how-to-refresh-chart-when-grid-records-were-changed-e1259/VB/ChartWithGrid/Default.aspx.vb#L21

Protected Sub WebChartControl1_CustomCallback(ByVal sender As Object, ByVal e As DevExpress.XtraCharts.Web.CustomCallbackEventArgs)
    If e.Parameter = "GridChanged" Then
        WebChartControl1.DataBind()