Drag & Drop custom control

Discussion in 'ASP .Net Web Controls' started by Gilles, Feb 1, 2005.

  1. Gilles

    Gilles Guest

    Hello, I created a asp.net custom control. I would like to implement a drag/drop postback function. The client Javascript seems to work, but once on the server side, I've an error message. I'm sure it's a problem in the event procedure definition, but I don't find relevant examples. This is the error message:

    System.Web.HttpUnhandledException: Exception of type System.Web.HttpUnhandledException was thrown. ---> System.FormatException: Input string was not in a correct format.
    at System.Number.ParseInt32(String s, NumberStyles style, NumberFormatInfo info)
    at System.Int32.Parse(String s)
    at System.Web.UI.WebControls.Calendar.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument)
    at System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument)
    at System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData)
    ....

    Thanks for your hel

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    Gilles, Feb 1, 2005
    #1
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