Here are the steps to add ajax HMTLEditorExtender control in webform.
1. In VS 2013 open Tools > Library Package Manager > Package Manager Console.
2. Enter command : PM> Install-Package AjaxControlToolkit . This will download and add AjaxControlToolkit.dll reference with your website.
3. Add following tags in web.config -
4. In Site.Master replace ,
5. Now you can add Ajax HTMLEditorExtender on webpage.
6. Here is a sample source of sample content page to add Ajax HTMLEditorExtender
In case, if HTMLEditorExtender is working fine on local machine and after deployment on server ReflectionTypeLoadException occurs then check the trust level.
Ajax Tookit requires full trust level to work. Default trust level on server is medium. So, to make ajax toolkit work change the trust level on server to full.
This is can be done by adding following line under <system.web> section of web.config -
1. In VS 2013 open Tools > Library Package Manager > Package Manager Console.
2. Enter command : PM> Install-Package AjaxControlToolkit . This will download and add AjaxControlToolkit.dll reference with your website.
3. Add following tags in web.config -
<configSections>
<sectionGroup name="system.web">
<section name="sanitizer" requirePermission="false" type="AjaxControlToolkit.Sanitizer.ProviderSanitizerSection, AjaxControlToolkit" />
</sectionGroup>
</configSections>
<sanitizer defaultProvider="HtmlAgilityPackSanitizerProvider">
<providers>
<add name="HtmlAgilityPackSanitizerProvider" type="AjaxControlToolkit.Sanitizer.HtmlAgilityPackSanitizerProvider"></add>
</providers>
</sanitizer>
<configSections> should be the first child tag of <configuration> and <sanitizer> should be a child of <system.web> tag. Don’t worry about warning at sanitizer tag. It will work fine.4. In Site.Master replace ,
<asp:ScriptManager id =”ScriptManager1”runat=”server”>
with <ajaxToolkit:ToolkitScriptManager ID=”ajxToolKit” runat =”server”>
This should be added inside form tag. Remove <asp:ScriptReference Name="MsAjaxBundle" />
from script references.5. Now you can add Ajax HTMLEditorExtender on webpage.
6. Here is a sample source of sample content page to add Ajax HTMLEditorExtender
<asp:TextBox ID="txtCategory" TextMode="MultiLine" Columns="60" Rows="10"
runat="server" />
<ajaxToolkit:HtmlEditorExtender ID="HTMLEditor1" TargetControlID="txtCategory"
runat="server" />
In case, if HTMLEditorExtender is working fine on local machine and after deployment on server ReflectionTypeLoadException occurs then check the trust level.
Ajax Tookit requires full trust level to work. Default trust level on server is medium. So, to make ajax toolkit work change the trust level on server to full.
This is can be done by adding following line under <system.web> section of web.config -
<trust level="Full" />
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