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An error occurred while debugging the Ajax code. system. Web. UI. Compatibility. comparevalidator could not be found.

Source: Internet
Author: User
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Error 1 failed to load the type "system. Web. Extensions, version = 1.0.61025.0, culture = neutral, publickeytoken = 31bf3856ad364e35" from the assembly "system. Web. UI. Compatibility. comparevalidator ". (F: \ vs2005 + C #2.0 \ ajaxtest \ WEB. config line 22) F: \ vs2005 + C #2.0 \ ajaxtest \ default. aspx 10

Solution:

Delete the following section in the configuration file.

<Tagmapping>

<Add tagtype = "system. web. UI. webcontrols. comparevalidator "mappedtagtype =" system. web. UI. compatibility. comparevalidator, system. web. extensions, version = 1.0.61025.0, culture = neutral, publickeytoken = 31bf3856ad364e35 "/>

<Add tagtype = "system. web. UI. webcontrols. customvalidator "mappedtagtype =" system. web. UI. compatibility. customvalidator, system. web. extensions, version = 1.0.61025.0, culture = neutral, publickeytoken = 31bf3856ad364e35 "/>

<Add tagtype = "system. web. UI. webcontrols. rangevalidator "mappedtagtype =" system. web. UI. compatibility. rangevalidator, system. web. extensions, version = 1.0.61025.0, culture = neutral, publickeytoken = 31bf3856ad364e35 "/>

<Add tagtype = "system. web. UI. webcontrols. regularexpressionvalidator "mappedtagtype =" system. web. UI. compatibility. regularexpressionvalidator, system. web. extensions, version = 1.0.61025.0, culture = neutral, publickeytoken = 31bf3856ad364e35 "/>

<Add tagtype = "system. web. UI. webcontrols. requiredfieldvalidator "mappedtagtype =" system. web. UI. compatibility. requiredfieldvalidator, system. web. extensions, version = 1.0.61025.0, culture = neutral, publickeytoken = 31bf3856ad364e35 "/>

<Add tagtype = "system. web. UI. webcontrols. validationsummary "mappedtagtype =" system. web. UI. compatibility. validationsummary, system. web. extensions, version = 1.0.61025.0, culture = neutral, publickeytoken = 31bf3856ad364e35 "/>

</Tagmapping>

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