Asp.net and c#

How to pass an array in a QueryString ?

FileUpload control inside UpdatePanel is not working

I am devloping a website using asp.net and ajax, i am faceing this error during website building "Could not load file or assembly ‘AjaxControlToolkit’ or one of its dependencies. The parameter is incorrect. (Exception from HRESULT: 0×80070057 (E_INVALIDARG))".   Could not load file or assembly ‘AjaxControlToolkit’ or one of its dependencies. The parameter is incorrect. (Exception from HRESULT: 0×80070057 (E_INVALIDARG))

How to display confirmation box in DetailsView For the details view, you need to add the event on DataBound event so that when the data is getting binded with the item, the event will be attached with the item.  See the below code which will be helpful for you. 

How to Bind a DropDownlist in MVC Application. (1) First open MVC Project or Create New Project choose ASP.NET MVC 2 web app  (2) Add New Item in Model folder, Right click in Solutions Explorer Model folder >Add New Item Choose ADO.NET Entity Data Model through wizard add the database and table in your application and then 

How to pass ArrayList Object into web method of web service

How to stop using BACK and Forward button of the borwser in ASP.NET? I am developing a Web App using ASP.NET and C#. I need to stop using BACK and Forward button of the borwser.