回复 2楼iceman的帖子
'System.NullReferenceException: Object reference not set to an instance of
an object.\r\n
at FarPoint.Win.FpCombo.SelectNext()\r\n
at FarPoint.Win.FpCombo.ProcessDialogKey(Keys keyData)\r\n
at System.Windows.Forms.Control.ProcessDialogKey(Keys keyData)\r\n
at System.Windows.Forms.TextBoxBase.ProcessDialogKey(Keys keyData)\r\n
at System.Windows.Forms.Control.PreProcessMessage(Message& msg)\r\n
at System.Windows.Forms.Control.PreProcessControlMessageInternal(Control target, Message& msg)\r\n
at System.Windows.Forms.Application.ThreadContext.PreTranslateMessage(MSG& msg)\r\n
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你好版主,数据列都是数据库中读取的, 上传有点麻烦。现在有这个异常,就是鼠标点进ComboBoxCellType
的单元格中时,不做任何操作,只按上下箭头,画面闪退,捕获异常是上面这段内容。请帮忙分析一下 |