ASPxClientCallbackCompleteEventArgs.result Property

Gets a string that contains specific information (if any) that has been passed from the server to the client side for further processing.

Declaration

result: string

Property Value

Type	Description
string	A string value representing specific information passed from the server back to the client side.

Example

The complete sample project is available in the DevExpress Code Central database at E36.

JS

function ShowImage(id) {
    if (ASPxCallback1.InCallback()) 
        return;
    document.getElementById('imageCell').innerHTML = 'Loading...';
    ASPxCallback1.PerformCallback(id);
}

ASPX

<script runat="server">
     protected void Page_Load(object sender, EventArgs e) {

     }
     protected void ASPxCallback1_Callback(object source, 
         DevExpress.Web.CallbackEventArgs e) {
         string xpath = string.Format("//items/item[@id='{0}']", e.Parameter);
         XmlNode node = XmlDataSource2.GetXmlDocument().SelectSingleNode(xpath);
         if(node != null) {
             LargeImage.ImageUrl = "Images/" + node.Attributes["FileName"].Value;
             LargeImage.AlternateText = node.Attributes["Text"].Value;
             LargeImageText.Text = node.Attributes["Text"].Value; 
         }
         e.Result = ASPxCallback.GetRenderResult(ImagePanel);
     }
 }
</script>

...
         <dxcb:ASPxCallback ID="ASPxCallback1" runat="server" 
             OnCallback="ASPxCallback1_Callback">
             <ClientSideEvents CallbackComplete="function(s, e) {
     document.getElementById('imageCell').innerHTML = e.result;
 }" />
         </dxcb:ASPxCallback>
...