ASP.NET - Using ScriptManager in class library reference

Question

I want to add a reference to ScriptManager in my class library project instead ClientScriptManager, is it possible?

Can you rephrase the question? I don't understand what the issue is. ScriptManager is usually an ASP.NET Tag, not sure how you would add it in a Class Library. — Nate
– Nate, Commented Aug 8, 2011 at 21:38

Tim Schmelter · Accepted Answer · 2013-04-03 06:56:19Z

11

I assume that you don't know how to reference the ScriptManager in a class library where normally these WebControls are not referenced. Furthermore i think you also need to know how to get a reference to the page in a static context from the class library.

To get the ScriptManager you have to add a reference to System.Web.Extensions in your class library project.

To get a reference to the page in a static context you need to add the System.Web namespace, then following returns the ScriptManager of the current page:

C#:

var http = System.Web.HttpContext.Current;
if ((http != null)) {
    var page = http.CurrentHandler as Web.UI.Page;
    if (page != null) {
        var scriptManager = System.Web.UI.ScriptManager.GetCurrent(page);
    }
}

VB.NET:

Dim http = Web.HttpContext.Current
If Not http Is Nothing Then
    Dim page = TryCast(http.CurrentHandler, Web.UI.Page)
    If Not page Is Nothing Then
         Dim scriptManager = System.Web.UI.ScriptManager.GetCurrent(page)
    End If
End If

edited Apr 3, 2013 at 6:56

answered Aug 8, 2011 at 21:40

Tim Schmelter

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2 Comments

Michel Andrade Over a year ago

Ok! thanks! But i have a problem, i cannot acess the method RegisterClientScriptBlock in this way. Do you know why?

Tim Schmelter Over a year ago

The RegisterClientScriptBlock method is static/shared. Hence this will work: System.Web.UI.ScriptManager.RegisterClientScriptBlock(page, page.GetType, "ScriptKey", "YourScript", True)

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