Server Error in '/' Application.

Unable to cast object of type 'System.DBNull' to type 'System.String'.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.InvalidCastException: Unable to cast object of type 'System.DBNull' to type 'System.String'.

Source Error:


Line 643:                                                                                        <%--<span class='CategoriesTsId<%# DataBinder.Eval(Container.DataItem, "CategoryId")%>'>--%>
Line 644:                                                                                        <span class='CategoriesTsIdDescList'>
Line 645:                                                                                            <%# ((string)DataBinder.Eval(Container.DataItem, "BriefDescription")).Replace("\n", "<br/>")%>
Line 646:                                                                                        </span>
Line 647:                                                                                    </td>

Source File: f:\calendar.jo\MoreEvents.aspx    Line: 645

Stack Trace:


[InvalidCastException: Unable to cast object of type 'System.DBNull' to type 'System.String'.]
   ASP.moreevents_aspx.__DataBind__control54(Object sender, EventArgs e) in f:\calendar.jo\MoreEvents.aspx:645
   System.Web.UI.Control.OnDataBinding(EventArgs e) +86
   System.Web.UI.Control.DataBind(Boolean raiseOnDataBinding) +154
   System.Web.UI.Control.DataBind() +17
   System.Web.UI.Control.DataBindChildren() +187
   System.Web.UI.Control.DataBind(Boolean raiseOnDataBinding) +164
   System.Web.UI.Control.DataBind() +17
   System.Web.UI.Control.DataBindChildren() +187
   System.Web.UI.Control.DataBind(Boolean raiseOnDataBinding) +164
   System.Web.UI.Control.DataBind() +17
   System.Web.UI.WebControls.GridView.CreateRow(Int32 rowIndex, Int32 dataSourceIndex, DataControlRowType rowType, DataControlRowState rowState, Boolean dataBind, Object dataItem, DataControlField[] fields, TableRowCollection rows, PagedDataSource pagedDataSource) +170
   System.Web.UI.WebControls.GridView.CreateChildControls(IEnumerable dataSource, Boolean dataBinding) +3839
   System.Web.UI.WebControls.CompositeDataBoundControl.PerformDataBinding(IEnumerable data) +67
   System.Web.UI.WebControls.GridView.PerformDataBinding(IEnumerable data) +15
   System.Web.UI.WebControls.DataBoundControl.OnDataSourceViewSelectCallback(IEnumerable data) +133
   System.Web.UI.DataSourceView.Select(DataSourceSelectArguments arguments, DataSourceViewSelectCallback callback) +34
   System.Web.UI.WebControls.DataBoundControl.PerformSelect() +151
   System.Web.UI.WebControls.BaseDataBoundControl.DataBind() +76
   System.Web.UI.WebControls.GridView.DataBind() +10
   MoreEvents.FillEvents() in f:\calendar.jo\MoreEvents.aspx.cs:268
   MoreEvents.Page_Load(Object sender, EventArgs e) in f:\calendar.jo\MoreEvents.aspx.cs:394
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +52
   System.Web.UI.Control.OnLoad(EventArgs e) +97
   System.Web.UI.Control.LoadRecursive() +61
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +693


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4700.0