...it's me...eRiCk

Well, Server Error in '/' Application. Value cannot be null. Parameter name: value 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.ArgumentNullException: Value cannot be null. Parameter name: value Source Error: Line 431: { Line 432: AuthenticationManager.SignOut(DefaultAuthenticationTypes.ExternalCookie); Line 433: var identity = await UserManager.CreateIdentityAsync(user, DefaultAuthenticationTypes.ApplicationCookie); Line 434: AuthenticationManager.SignIn(new AuthenticationProperties() { IsPersistent = isPersistent }, identity); Line 435: It happened because when i created the user using Configuration Seed (i'm using EF Code First), i'm not filled the Security Stamp that is why the error occured because when the Security Stamp is null, it

yes i'm not working with it anymore since i'm don't understand what most of it (the code) now i learning from start again my 1st concern is regarding Security..hope i'm in right direction now good luck to me :D

the title cause by not explained well the error that caused it when displaying Datagrid :( took me an hour to resolve this.. only missing a piece of code -> DataKeysField = "Column_ID" otherwise the datagrid won't update, delete well i now frustating by other problems too..why it won't displayed correctly,means..the displayed is beyond the screen resolution width..not sure what to change or put ..been trying this for 2 days :( anyone???