[FormatException: 輸入字串格式不正確。]
Microsoft.VisualBasic.CompilerServices.Conversions.ParseDouble(String Value, NumberFormatInfo NumberFormat) +213
Microsoft.VisualBasic.CompilerServices.Conversions.ToDouble(String Value, NumberFormatInfo NumberFormat) +81
[InvalidCastException: 從字串 "" 至類型 'Double' 的轉換是無效的。]
Microsoft.VisualBasic.CompilerServices.Conversions.ToDouble(String Value, NumberFormatInfo NumberFormat) +198
Microsoft.VisualBasic.CompilerServices.Conversions.ToDouble(String Value) +11
_Default.Page_Load(Object sender, EventArgs e) +4118
System.Web.UI.Control.OnLoad(EventArgs e) +95
System.Web.UI.Control.LoadRecursive() +59
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +678
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