[ArgumentOutOfRangeException: 'ddl_in_depid' 擁有的 SelectedValue 無效,因為它不在項目清單中。
參數名稱: value]
System.Web.UI.WebControls.ListControl.PerformDataBinding(IEnumerable dataSource) +1379
System.Web.UI.WebControls.ListControl.OnDataBinding(EventArgs e) +408
System.Web.UI.WebControls.ListControl.PerformSelect() +44
System.Web.UI.WebControls.BaseDataBoundControl.EnsureDataBound() +134
System.Web.UI.WebControls.ListControl.OnPreRender(EventArgs e) +36
System.Web.UI.Control.PreRenderRecursiveInternal() +132
System.Web.UI.Control.PreRenderRecursiveInternal() +227
System.Web.UI.Control.PreRenderRecursiveInternal() +227
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3671
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