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AsyncUpload Control - PostbackTriggers and RadWizard Buttons
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This is a migrated thread and some comments may be shown as answers.
Giuseppe
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Giuseppe asked on 25 Feb 2016, 07:43 PM

Hi guys, i need to persist file across Postback while users click on RadWizard NextButton.

I can't use PostbackTriggers because i don't know the Nextbutton ID. Can you give me an advice or an alternative ?
Thanks much for your time.

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Nencho
Telerik team
answered on 01 Mar 2016, 12:16 PM
Hello Giuseppe,

The PostbackTriggers property indicates for which control postback the RadAsyncUpload should listen to, in order to submit the selected file. As far as I had understood your scenario, you need to avoid the submission of the file when navigating trough different steps. If that's correct, you can set the PostbackTriggers property value to some button on your page. Please consider the below implementation:

<telerik:RadWizard ID="RadWizard1" runat="server" Skin="Bootstrap" OnActiveStepChanged="RadWizard1_ActiveStepChanged" DisplayNavigationButtons="true">
    <WizardSteps>
        <telerik:RadWizardStep ID="RadWizardStep1" Title="Sign In" runat="server" StepType="Start">
            <telerik:RadAsyncUpload runat="server" ID="RadAsyncUpload1" PostbackTriggers="btnUpload"></telerik:RadAsyncUpload>
            <telerik:RadButton runat="server" ID="btnUpload" Text="UploadFile"></telerik:RadButton>
        </telerik:RadWizardStep>
        <telerik:RadWizardStep ID="RadWizardStep2" Title="Authorization" runat="server" StepType="Step">
        </telerik:RadWizardStep>
        <telerik:RadWizardStep ID="RadWizardStep3" runat="server" Title="Application Information" StepType="Finish">
        </telerik:RadWizardStep>
    </WizardSteps>
</telerik:RadWizard>

Hope this information helps.

Regards,
Nencho
Telerik
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Giuseppe
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Nencho
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