I am getting nullReferenceException - when i try to findcontrol from "loginView". it happend only when user role does not exist for Logged in users. its bit annoying, is there any way to handle this in codebehind.
View 2 RepliesI use master/content page and use this code (below) for validation, if I place the PasswordRecovery outside LoginView the validation is marked up correctly, but placed back inside the LoginView the PasswordRecovery compilation error is CS0103: The name 'PasswordRecovery1' does not exist in the current context.
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This code works:
<div id="GridDiv" runat="server">
gridview would go in here....
</div>
GridDiv.Visible=false;
However, because I have a Div in LoginView2 I have to find with findcontrol.
This is not work:
LoginView Div = LoginView2.FindControl("GridDiv") as LoginView;
Div.Visible = false;
Object reference not set to an instance of an object. 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.NullReferenceException: Object reference not set to an instance of an object.
Source Error:
[Code]....
Line 785:
Line 786:
Line 787: Div.Visible = false;
LoginView DropDownList4 = LoginView2.FindControl("DropDownList4") as LoginView;
DropDownList4.SelectedValue = "abc";
Why not find SelectedValue?
I'm trying to call a dataadapter funtion to pass browser information to a database table upon logged in. I have also tried not assigning the function to an interget by setting the fucntion to not return a value. However in either case I get the System NullReferenceException.
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Trying to populating dropdownlist in LoginView from mysql db but am getting Object reference not set to an instance of an object error.
Protected Sub Page_PreRender(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.PreRender
One of mine dropdownlist is inside a <AnonymousTemplate> and I unable to bind it.
View 1 Repliesi am getting this error "A control with ID 'NewAssignTL' could not be found for the trigger in UpdatePanel 'UpdatePanel'. " i have 2 problems i cannot access my dropdownList control from code behind and i triggers cannot access the control.
my.aspx page
<asp:LoginView
ID="LoginView1"
runat="server">
<RoleGroups>
<asp:RoleGroup
Roles="Administrator">
<ContentTemplate>
<asp:DropDownList
ID="NewAssignTL"
runat="server"
AutoPostBack="True"
ToolTip="Select
team leader name"
DataSourceID="SqlDataSource1"
DataTextField="Description"
DataValueField="GroupID"
/>
<asp:SqlDataSource
ID="SqlDataSource1"
runat="server"
ConnectionString="<%$
ConnectionStrings:ApplicationServices %>"
SelectCommand="SELECT
GroupID, Description FROM aspnet_Groups WHERE (Active = 'True')">
</asp:SqlDataSource>#
</ContentTemplate>
</asp:RoleGroup>
</RoleGroups>
</asp:LoginView>
<asp:UpdatePanel
ID="UpdatePanel"
runat="server"
UpdateMode="Conditional">
<ContentTemplate>
my gridview is here
<Triggers>
<asp:AsyncPostBackTrigger
ControlID="NewAssignTL"
EventName="SelectedIndexChanged"
/>
I am getting a "System.NullReferenceException" when I call
View 3 RepliesI have a Dropdownlist within a LoginView Control as follows:
[Code]....
And in my code behind I can successfully reference the dropdownlist as follows:
[Code]....
However as soon as I try to add an item to the dropdownlist it all falls apart: The (pseudo) code to add an item is:
[Code]....
The error I get is:
[Code]....
What is the easiest way to manipulate the built in LoginView and membership handlers so that users of a website can sign up with just their email (entered twice) and a password (entered twice)? The default is asking the user for a username, the email (just once) and the password (twice). How can this be tweaked, including adjusting the in-built aspnetUser table in the database?
View 4 Replies First post here, I usually try not posting until I am completely lost. I have a webform that gets a dynamic dropdownlist added to a placeholder in a method during pageload. During a submit of the page, I want to be able to get the selectedItem in the DropDownList that was also added dynamically from a DB. I know the ID of the DropDownList, and I know the Value of all the ListItems. Although when I am trying to use FindConrol(ID), and assign it to a DropDownList, the Control comes back Null and I get an error saying "Object Reference not set to and Instance of an Object", I believe because its not finding the control.
[Code]....
Can anyone show me how to use this to get access to the properties of the dynamic DropDownList properties, especially the ListItems within.
i have a gridview in updatepanel in this case:
[Code]....
I have a number of dropdownlists embedded in a gridview. When I submit the page I loop through all the rows of the gridview and use the findcontrol method to get the dropdownlist e.g:
foreach (GridViewRow gvrItem in gvItems.Rows)
{
DropDownList ddlOption = gvrItem.Cells[2].FindControl("ddlOption") as DropDownList;
}
This works nicely, however when I try to get the selected item of the dropdownlist e.g:
ddlOption .SelectedItem.Text
It always returns the first item in the list rather than whats actually selecte din the page.
I have a website where users can login and they have different roles/privileges. I want to have it where the user's view of the webpage is determined by their role. Right now I am storing the role in the UserData property of the FormsAuthenticationTicket class (which is retrieved from a database during login). When the main page is loading, I want it to check the user's role and then only show the controls/portions of the page that are for that role. For example, if the user is not an administrator, they shouldn't be able to click on a button to delete a record. At the moment I am using labels to hide or show areas depending on the user's role. Something like this:
[Code]....
[Code]....
And here is a portion of the markup code with the Labels:
[Code]....
This works, but doesn't seem to be a very good way to handle this type of thing. Is there a cleaner, more elegant way of doing this? Something similar to the LoginView control, but which I can use for roles?
I have a loginview control placed in my page:
[Code]....
When user login into my application,the note saying that Welcome,Joe is show.But,when user try to input something into web page (such as fill in the text box),the LoginName1 that refer to "Joe" is suddenly disappear.Why this happen?
Now that some of the Security matrix has been approved and site is somewhat more functional. We are going back thru adding the loginview to the pages that need it so we can control who can adn can't see the pages and data.
To keep it simple, here is what i have setup.. Because if this setup, i cant access my controls and the page wont display either template. Now even though the aspx code below is a very stripped down version of what i have, the code behind has references to controls that dont show in my example, but they are there in my actual page. I Just removed alot of information to make the post more clear.
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I have to assign default value to my asp.net controls which are residing inside the RoleGroup of Asp.net's LoginView control.
Here is a piece of my code-
[Code]....
[Code]....
But I'm getting this error:
Exception Details: System.NullReferenceException: Object reference not set to an instance of an object. Can anyone tell me why I'm getting this error? And what is the right way of accessing those controls from code behind which are placed inside a loginView's RoleGroup?
In my MasterPage, I'm using LoginView control that looks like this:
[Code]....
In the code behind, here's what I do:
[Code]....
When I try to pull up the home page -- as an unauthenticated user -- I get "Object reference not set to an instance" error pointing to where I start building the user menu i.e. litUserMenu.Text = "<li>...
I'm using roles based authenication and am trying to populate a dropdown list from Page_Load that resides inside a LoginView control. My problem is my code behind file doesnt recognize controls inside the LoginView templates.
View 6 RepliesI need to have a link inside my asp:Loginview that says "My profile" and links to the users profile. Am I ignorant :S ?
View 4 RepliesThis may be very simple but I can not figure it out. I am using ASP.Net 3.5/Visual Studio 2010. I have placed a LoginName Control on the page and the login name is properly displaying. I am using forms Authentication and it is set up properly in the web config file. I simply want to insert the logged in username value into the database table so I can track who created the records. I am happy to be able to insert the UserID value. I assume the values are derived out of the aspnet_Users table. Hopefully someone can provide a way to do either. I am not a coder so giving me a quick try this answer won't help me much. I would need to really see the entire solution and code.
View 4 RepliesI am using loginview control to manage membership loggled in data and anonymous data. But since I have to copy entire data to login view template. I think it is not perfect solution in case i just have few differences in all type of templates. I tried to use loginview whenever I actually need it. But it supports just after form declaration.
Also what if I need to have multiple loginviews. Is there any way to do this manually. I just dont like to copy entire design for each template and just like to manage identical changes.
I have a page that originally didn't contain a login view. I have now added one of those so that I can vary the display according to role membership.
However I have some VB code that references ojects that were originally on the main page but now sit within the Loginview. These code segments were triggered on a Page_Load event. Since moving the objects on the page all of the references to objects there now fail as if they didn't exist. (Presumably because they are now within a LoginView)
I assume I need to change the location of my code but am stuck to find out where it should now go.
I assuem now I need two versions of my code too - one to match each of the two role possibilities for the LoginView?
I have a loginview nested on a masterpage. Problem is that on local machine I see the loginviewy, but when I load it on server it does not show. Here is my masterpage html:
<body bgcolor="Black">
<form id="form1" runat="server">
<div align="center">
<asp:ScriptManager ID="ScriptManager1" runat="server">
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