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    在線水平自測系統問題

    做完題目,點擊提交試卷,為什么會出現下邊提示錯誤

    Server Error in '/' Application.
    --------------------------------------------------------------------------------

    Input string was not in a correct format.
    Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

    Exception Details: System.FormatException: Input string was not in a correct format.

    Source Error:

    An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

    Stack Trace:


    [FormatException: Input string was not in a correct format.]
    System.Number.StringToNumber(String str, NumberStyles options, NumberBuffer& number, NumberFormatInfo info, Boolean parseDecimal) +7477367
    System.Number.ParseInt32(String s, NumberStyles style, NumberFormatInfo info) +119
    Caicai.Jingpin.UI.Plugins.Exam.Answer_Click(Object sender, EventArgs e) +383
    System.Web.UI.WebControls.Button.OnClick(EventArgs e) +78
    System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument) +100
    System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +10
    System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +13
    System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +36
    System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint

    2015/9/23 8:29:57

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    2015/9/25 8:41:33
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