Server Error in '/' Application.

Cannot perform '>=' operation on System.DateTime and 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.Data.EvaluateException: Cannot perform '>=' operation on System.DateTime and System.String.

Source Error:


Line 38:         dsAgreements.FilterExpression = strFilter
Line 39:         dsAgreements.DataBind()
Line 40:         gvAgreements.DataBind()
Line 41:     End Sub
Line 42: 

Source File: C:\inetpub\vhosts\nis-su.eu\Common\NewProjects.aspx.vb    Line: 40

Stack Trace:


[EvaluateException: Cannot perform '>=' operation on System.DateTime and System.String.]
   System.Data.BinaryNode.BinaryCompare(Object vLeft, Object vRight, StorageType resultType, Int32 op, CompareInfo comparer) +2145926
   System.Data.BinaryNode.BinaryCompare(Object vLeft, Object vRight, StorageType resultType, Int32 op) +26
   System.Data.BinaryNode.EvalBinaryOp(Int32 op, ExpressionNode left, ExpressionNode right, DataRow row, DataRowVersion version, Int32[] recordNos) +12233
   System.Data.BinaryNode.Eval(DataRow row, DataRowVersion version) +44
   System.Data.DataExpression.Invoke(DataRow row, DataRowVersion version) +99
   System.Data.Index.AcceptRecord(Int32 record, IFilter filter) +132
   System.Data.Index.InitRecords(IFilter filter) +278
   System.Data.Index..ctor(DataTable table, IndexField[] indexFields, DataViewRowState recordStates, IFilter rowFilter) +39
   System.Data.DataTable.GetIndex(IndexField[] indexDesc, DataViewRowState recordStates, IFilter rowFilter) +239
   System.Data.DataView.UpdateIndex(Boolean force, Boolean fireEvent) +313
   System.Data.DataView.SetIndex2(String newSort, DataViewRowState newRowStates, IFilter newRowFilter, Boolean fireEvent) +186
   System.Data.DataView.SetIndex(String newSort, DataViewRowState newRowStates, IFilter newRowFilter) +14
   System.Web.UI.WebControls.FilteredDataSetHelper.CreateFilteredDataView(DataTable table, String sortExpression, String filterExpression, IDictionary filterParameters) +489
   System.Web.UI.WebControls.ObjectDataSourceView.CreateFilteredDataView(DataTable dataTable, String sortExpression, String filterExpression) +131
   System.Web.UI.WebControls.ObjectDataSourceView.ExecuteSelect(DataSourceSelectArguments arguments) +2502
   System.Web.UI.DataSourceView.Select(DataSourceSelectArguments arguments, DataSourceViewSelectCallback callback) +27
   System.Web.UI.WebControls.DataBoundControl.PerformSelect() +261
   NewProjects.Page_Load(Object sender, EventArgs e) in C:\inetpub\vhosts\nis-su.eu\Common\NewProjects.aspx.vb:40
   System.Web.UI.Control.OnLoad(EventArgs e) +132
   System.Web.UI.Control.LoadRecursive() +66
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2428


Version Information: Microsoft .NET Framework Version:2.0.50727.8974; ASP.NET Version:2.0.50727.8974