Server Error in '/' Application.

Cannot perform '=' operation on System.Int32 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.Int32 and System.String.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:


[EvaluateException: Cannot perform '=' operation on System.Int32 and System.String.]
   System.Data.BinaryNode.SetTypeMismatchError(Int32 op, Type left, Type right) +26
   System.Data.BinaryNode.BinaryCompare(Object vLeft, Object vRight, StorageType resultType, Int32 op, CompareInfo comparer) +2084
   System.Data.BinaryNode.EvalBinaryOp(Int32 op, ExpressionNode left, ExpressionNode right, DataRow row, DataRowVersion version, Int32[] recordNos) +14039
   System.Data.BinaryNode.Eval(DataRow row, DataRowVersion version) +39
   System.Data.BinaryNode.EvalBinaryOp(Int32 op, ExpressionNode left, ExpressionNode right, DataRow row, DataRowVersion version, Int32[] recordNos) +16102
   System.Data.BinaryNode.Eval(DataRow row, DataRowVersion version) +39
   System.Data.Select.AcceptRecord(Int32 record) +129
   System.Data.Select.GetLinearFilteredRows(Range range) +236
   System.Data.Select.SelectRows() +406
   VUWeb.Views.Parent.LayThucDon() +126
   VUWeb.Views.Parent.Page_Load(Object sender, EventArgs e) +118
   System.Web.UI.Control.OnLoad(EventArgs e) +106
   System.Web.UI.Control.LoadRecursive() +68
   System.Web.UI.Control.LoadRecursive() +162
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3785


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.3930.0