[ArgumentOutOfRangeException: 'DropDownList1' has a SelectedValue which is invalid because it does not exist in the list of items.
Parameter name: 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.Control.DataBindChildren() +248
System.Web.UI.Control.DataBind(Boolean raiseOnDataBinding) +195
System.Web.UI.Control.DataBindChildren() +248
System.Web.UI.Control.DataBind(Boolean raiseOnDataBinding) +195
System.Web.UI.WebControls.Repeater.CreateItem(Int32 itemIndex, ListItemType itemType, Boolean dataBind, Object dataItem) +174
System.Web.UI.WebControls.Repeater.AddDataItemsIntoItemsArray(IEnumerable dataSource, Boolean useDataSource) +291
System.Web.UI.WebControls.Repeater.PostGetDataAction(IEnumerable dataSource) +109
System.Web.UI.WebControls.Repeater.OnDataBinding(EventArgs e) +81
System.Web.DynamicData.FilterRepeater.DataBind() +32
System.Web.DynamicData.FilterRepeater.Page_InitComplete(Object sender, EventArgs e) +55
System.EventHandler.Invoke(Object sender, EventArgs e) +0
System.Web.UI.Page.OnInitComplete(EventArgs e) +11688792
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +631
|