[InvalidCastException: 对象不能从 DBNull 转换为其他类型。]
System.DBNull.System.IConvertible.ToInt32(IFormatProvider provider) +52
System.Convert.ToInt32(Object value) +30
videos_VideoShow.Page_Load(Object sender, EventArgs e) +674
System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +51
System.Web.UI.Control.OnLoad(EventArgs e) +95
System.Web.UI.Control.LoadRecursive() +59
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +678
|