Google is your friend: "Cannot implicitly convert type 'string' to 'System.Web.UI.WebControls.TextBox'"

by Ted Jardine Monday, February 18, 2008 2:04 PM

Fortunately, I didn't waste too much time on this runtime error before googling and finding http://www.wackylabs.net/2005/12/strange-aspnet-20-error/. It turns out a compile time error is not thrown when there's a naming collision between ASP.NET 2.0's Page.Title property and a server-side control given the ID of "Title". Instead, the page in question will build no problem, but won't run. In my case I had given the ID of "Title" to one of a TON of new textboxes on a page I was working on in an ASP.NET 2.0 application.

Why this is able to make it past the compiler is beyond me.

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