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Web Error after update

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James Shelton Agar
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James Shelton Agar asked on 18 Feb 2010, 03:31 AM
Hi, I tried to change the global configuration for telerik update, and existing project showing up this erro

The base class includes the field 'RadScriptManager1', but its type (Telerik.Web.UI.RadScriptManager) is not compatible with the type of control (Telerik.Web.UI.RadScriptManager).

any idea to resolve such issue for any further smooth update in telerik control?

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Erjan Gavalji
Telerik team
answered on 18 Feb 2010, 11:20 AM
Hi James,

This error happens when the Telerik.Web.UI assembly built against .NET 3.5 is used in a project, targeting .NET 2.0 (and System.Web.Extensions 1.0). I recommend that you change the TargetFramework of your project to 3.5 and ensure that the Telerik.Web.UI assembly in the BIN folder is versioned xxxx.x.xxx.35.

Kind regards,
Erjan Gavalji
the Telerik team

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Yuji
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answered on 21 Jun 2010, 02:29 AM
Hi,

I also experience the same problem. My target framework is 3.5 and my telerik.web.ui is 2009.3.1208.35. Any other idea how can I solve this? I really need to fix this than to recreate my whole project..
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Erjan Gavalji
Telerik team
answered on 21 Jun 2010, 09:36 AM
Hi Yuji,

Can you check if your project has references to the System.Web.Extensions assembly? Which version of the assembly does it refer to?

Kind regards,
Erjan Gavalji
the Telerik team
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Yuji
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answered on 22 Jun 2010, 02:55 AM
Yes. It has references in System.Web.Extensions. The version is 3.5.0.0 and the Runtime Version is v2.0.50727.
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Erjan Gavalji
Telerik team
answered on 22 Jun 2010, 08:33 AM
Hi Yuji,

Can you please, check the version of the Telerik.Web.UI assembly in the bin folder of the project as well? It should end with .35. If not, please, update the Telerik.Web.UI reference to point to the Telerik.Web.UI assembly in the Bin35 folder of the RadControls distribution.

If the assembly version ends with .35 though, that would mean that the problem is somewhere else. Please, open a formal support ticket to send us the web.config file of your project for a review if this is the case.

Kind regards,
Erjan Gavalji
the Telerik team
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Frank Tzanabetis
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answered on 15 Sep 2010, 08:11 AM
I experienced the same problem - i installed the latest Telerik.Web.UI (2010.2.826.35) loaded in the GAC, but i forgot that there was an older version of Telerik.Web.UI in the bin subfolder of my project, which caused the error.  Deleting that meant that it used the GAC version and all was good.
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James Shelton Agar
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Erjan Gavalji
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Yuji
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Frank Tzanabetis
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