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Editorial Team
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Asked: 2026-05-12T19:34:33+00:00

I am building my first user control and I would like to package the

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I am building my first user control and I would like to package the javascript required for the control with the assembly so the end user does not have to worry about including dependencies. I’ve followed a tutorial from Scott Mitchell (https://web.archive.org/web/20210510023046/http://aspnet.4guysfromrolla.com/articles/080906-1.aspx) but I can’t seem to get it to work right.

Here is what I’ve done so far:

I’ve created a CollapsiblePanel.js file that contains the following function:

function TogglePanel(panelId) {
    //    $(panelId + ' .PanelContent').toggle();
    alert(panelId);
}

Under the properties panel I set the Build Action to “Embedded Resource”. This file resides in a scripts/ directory inside my class library project. The root namespace of my project is webstation.WebControls so if my understanding is correct I should be referencing the js file via “webstation.WebControls.scripts.CollapsiblePanel.js”

I’ve added the following line just before my class declaration for the custom control:

<Assembly: WebResource("webstation.WebControls.scripts.CollapsiblePanel.js", "text/javascript")>

I’ve overridden the OnPreRender event in my Custom Control and added the following:

Protected Overrides Sub OnPreRender(ByVal e As System.EventArgs)

    Page.ClientScript.RegisterClientScriptInclude("wsWebControlsCollapsiblePanel", _
                  Page.ClientScript.GetWebResourceUrl(Me.GetType(), "webstation.WebControls.scripts.CollapsiblePanel.js"))

    MyBase.OnPreRender(e)

End Sub

When I render my control I have a button with the function “TogglePanel(this.id);” in the onclick event, but when I click the button I get an error saying that the function is not defined. If anyone knows how I might begin using my embedded javascript I would really appreciate the help,

Mike

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1 Answer

  1. Editorial Team

    Found it,

    The problem was I included ‘scripts’ in the resource name so that I had “webstation.WebControls.scripts.CollapsiblePanel.js”

    I decided to try it so I had:
    “webstation.WebControls.CollapsiblePanel.js”

    and that did the trick.

    It’s a little confusing because all the documentation specifically states including the path as part of the naming convention, but perhaps I did something wrong when including a folder in the project.

    Mike

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