[CLOSED] [8.2] PageTreeLoader - error handling in OnNodeLoad

[mrozik]

Hi!
I have TreePanel with code:

<Loader>
                    <ext:PageTreeLoader OnNodeLoad="LoadPages"  >
                        <BaseParams>
                            <ext:Parameter Name="klientId" Value="1" Mode="Raw">
                            </ext:Parameter>
                        </BaseParams>
                        
                        <Listeners>
                            <Load Fn="onAfterLoadNode" />
                        </Listeners>
                    </ext:PageTreeLoader>
                </Loader>

in code behind:

 protected void LoadPages(object sender, NodeLoadEventArgs e)
        {              
            try
            {
               //do some work
            }
            catch (Exception ex)
            {
                e.Success = false;
                e.ErrorMessage = "an error occured";
            }
        }

How can I present my error message to user when OnNodeLoad fail?

[Vladimir]

Hi,

Please use the following listener for PageTreeLoader

<LoadException Handler="alert(errorMessage);" />

[mrozik]

Thank you!