Creating a Simple Accordion using ajax toolkit

Question

How to create a simple accordion when i createi got this error Error Rendering Control - Accordion1An unhandled exception has occurred. Collection was modified; enumeration operation may not execute.

Sanjeeb Lenka · Answer

hi Add reference of AjaxControlToolkit.dll to your project.

Naseena P · Answer

yatht ws my mstak....... i frgt to add it .......... anywy thanks..........

Naseena P · Answer

Error is:-The type or namespace name 'AjaxControlToolkit' could not be found in the global namespace (are you missing an assembly reference?)

Naseena P · Answer

ID=Accordion1 CssClass=accordion HeaderCssClass=accordionHeader HeaderSelectedCssClass=accordionHeaderSelected ContentCssClass=accordionContent runat=server> Home Home Page Student complete details of student Teacher complete details of Teacher

Kunal Vaishya · Answer

Provide your code if Possible Please refer this http://www.asp.net/ajaxLibrary/AjaxControlToolkitSampleSite/Accordion/Accordion.aspx