[NullReferenceException: 未将对象引用设置到对象的实例。]
Product_ProductShow.gvwProductField_RowDataBound(Object sender, GridViewRowEventArgs e) in f:\usr\localuser\byw5921250001\Product\ProductShow.aspx.cs:307
System.Web.UI.WebControls.GridView.OnRowDataBound(GridViewRowEventArgs e) +111
System.Web.UI.WebControls.GridView.CreateRow(Int32 rowIndex, Int32 dataSourceIndex, DataControlRowType rowType, DataControlRowState rowState, Boolean dataBind, Object dataItem, DataControlField[] fields, TableRowCollection rows, PagedDataSource pagedDataSource) +181
System.Web.UI.WebControls.GridView.CreateChildControls(IEnumerable dataSource, Boolean dataBinding) +3724
System.Web.UI.WebControls.CompositeDataBoundControl.PerformDataBinding(IEnumerable data) +67
System.Web.UI.WebControls.GridView.PerformDataBinding(IEnumerable data) +14
System.Web.UI.WebControls.DataBoundControl.OnDataSourceViewSelectCallback(IEnumerable data) +123
System.Web.UI.DataSourceView.Select(DataSourceSelectArguments arguments, DataSourceViewSelectCallback callback) +33
System.Web.UI.WebControls.DataBoundControl.PerformSelect() +138
System.Web.UI.WebControls.BaseDataBoundControl.DataBind() +30
System.Web.UI.WebControls.GridView.DataBind() +4
Product_ProductShow.gvwProductField_DataBind(Int32 proid, Int32 sortid) in f:\usr\localuser\byw5921250001\Product\ProductShow.aspx.cs:276
Product_ProductShow.ProductInfo_DataBind() in f:\usr\localuser\byw5921250001\Product\ProductShow.aspx.cs:145
Product_ProductShow.Page_Load(Object sender, EventArgs e) in f:\usr\localuser\byw5921250001\Product\ProductShow.aspx.cs:58
System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +51
System.Web.UI.Control.OnLoad(EventArgs e) +92
System.Web.UI.Control.LoadRecursive() +54
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +772
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