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Problem with Same User Name in Different Application ID

Posted By:      Posted Date: October 01, 2010    Points: 0   Category :ASP.Net

I get an error only when Same User Name was created in Different Application ID.

Input string was not in a correct format.

line- gluserID = Convert.ToString(command.ExecuteScalar())

Here is my code

If User.Identity.IsAuthenticated Then
            Dim UserIdentity As MembershipUser = Membership.Providers("CustMembershipProvider").GetUser(HttpContext.Current.User.Identity.Name, False)
            If UserIdentity IsNot Nothing Then
                'auth user
                Dim currentUserID As String = UserIdentity.ProviderUserKey.ToString()
                Dim connectionString As String = ConfigurationManager.ConnectionStrings("EmpCustomData").ConnectionString
                Dim queryString As String = String.Format("SELECT CustomerID FROM Customers INNER JOIN aspnet_Users ON Customers.NetUserID = aspnet_Users.UserId WHERE aspnet_Users.UserI

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