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Hi I have code as below public virtual void Write(string userName, DateTime dated, string objectName, string action, string hostName) { using (ActivityLogsBO logger = new ActivityLogsBO()) { //logger.DataSourceKey = this._dataSource; logger.Write(userName, dated, objectName, action, hostName); } } //--AcitivityBO.cs public void Write(string userName, DateTime logDate, string objectName, string action, string hostName) { this.NewRow(); this.Username = userName; this.DateTime = logDate; this.ObjectName = objectName; this.Action = action; this.HostName = hostName; SaveUndoResult result = this.Save(); if (result != SaveUndoResult.Success) { throw new ApplicationException("Failed to activity log error:" + userName + action); } } When I run stress test to it about 30 vusers, it will hit error as below Exception information: Exception type: DataLayerSavingException Exception message: Index was outside the bounds of the array. Request information: Request URL: http://kkchan-pc/flexhr_6244/Security/Forms/UserLogin.aspx Request path: /flexhr_6244/Security/Forms/UserLogin.aspx User host address: 192.168.2.100 User: Is authenticated: False Authentication Type: Thread account name: IIS APPPOOL\FlexHR_6244AppPool Thread information: Thread ID: 21 Thread account name: IIS APPPOOL\FlexHR_6244AppPool Is impersonating: False Stack trace: at MicroFour.StrataFrame.Data.DataLayer.UpdateDataTable(DataTable TableToUpdate, Boolean Transactional, String TransactionKey) at MicroFour.StrataFrame.Data.DataLayer.Save(DataTable TableToSave, Boolean Transactional, String TransactionKey) at MicroFour.StrataFrame.Business.BusinessLayer.Save(Boolean Transactional, String TransactionKey) at MicroFour.StrataFrame.Business.BusinessLayer.Save() at Vfs.Security.Common.ActiveUserController.Register(String SessionId, ISecurityUserEx CurrentUser) at Vfs.Security.Common.Extensions.LoggedInUserEx.SetLoggedOnUser(SFSUsersBO UserInfo, String ClientIP) at Vfs.Security.Common.SFSecurityBasics.SetLoggedOnUser(SFSUsersBO Users, String ClientIP) at Vfs.Security.UI.Web.LoginController.AttempLogin(String userName, String password, String domainName) in D:\FlexHR\Branches\6.2.0\Security\UI\Web\Controllers\LoginController.cs:line 659 at Vfs.Security.UI.Web.Controls.LoginContainer.AuthenticateLogin() in D:\FlexHR\Branches\6.2.0\Security\UI\Web\Controls\LoginContainer.cs:line 243 at Vfs.Security.UI.Web.Controls.LoginContainer.LoginButton_Click(Object sender, EventArgs e) in D:\FlexHR\Branches\6.2.0\Security\UI\Web\Controls\LoginContainer.cs:line 236 at System.EventHandler.Invoke(Object sender, EventArgs e) at DevExpress.Web.ASPxEditors.ASPxButton.OnClick(EventArgs e) at DevExpress.Web.ASPxEditors.ASPxButton.RaisePostBackEvent(String eventArgument) at DevExpress.Web.ASPxClasses.ASPxWebControl.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) at System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) at System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) Any ideas? Please advice.
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