MVC :: Value Cannot Be Null. Parameter Name: Username - Profile?
Aug 17, 2010
I'm having this very annoying issue.Trying to make ASP.NET profile work in my MVC2 application.This is the C# code:
[Code]....
Here is the web.config file:
[Code]....
And finally the controller action:
[Code]....
As soon as I submit the form I get an error. I can't even debug C# as the error occurs before stepping into
public ActionResult Create(UserProfile model, string submitButton)...The error is:
Server Error in '/' Application.
Value cannot be null.Parameter name: username
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: username Source Error:
[Code]....
Stack Trace:
[Code]....
[ArgumentNullException: Value cannot be null.
Parameter name: username]
System.Web.Util.SecUtility.CheckParameter(String& param, Boolean checkForNull, Boolean checkIfEmpty, Boolean
i have a WebSite project which i published, in the machine where i published the WebSite everything works smooth. when i moving it to the server, i got the Error:
Value cannot be null.Parameter name: type
Description:
An unhandled exception occurred during the execution of the current web request. 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: type
I'm trying to add two features to my website using the microsoft built-in login features. One feature I want to change is the validation of the username. By default, it allows pretty much any characters for the username. However, I want to make it so that only alphanumeric characters, and spaces. Also, I want to make it so that usernames MUST begin with a letter. I'm not entirely sure how to do this, In addition, I want to configure it so that once an account is created, a file /users/(their username)/(their username).aspx created once they are authenticated, with the master page set to userProfileMaster.master
I am using dropdownlist in my view page with some values which will display corresponding ID(primary key of other table) in my database.If i leave my dropdownlist blank and save it in database then its showing null parameter error. Can you explain how to use this reference type to overcome this error
i have made a gridview which contains three fields, two textboxes and one combo box. ComboBox fetchs data from table(SQL) and when a combox box triggers, data related to combo must be added in two boxes. i did this throw another button, but i want this to be trigger directly when it clicks..
Is it possible to attach the Username as a query string with the DestinationPageUrl or reference the value in the code behind. I've tried lgnExcel.UserName.ToString()
I have a Stored Proc which uses a field in the database. that ends up being the user.identity.name. So, when the page loads, it grabs that name and uses it in the stored proc, which I'm which I'm wanting to designate in the sql datasource. But it only gives me choices of querystring, cookie, session, control, etc. My question is how to reference that variable as the parameter in the datasource?
returns the error: The parameter 'username' must not be empty.Parameter name: usernameI want to check if a user is logged. If not logged in redirect to loginerror.aspx.
I have an ASP.NET VB website in which I am using the Membership functionality to authenticate users. I am doing this through the Login control on the HTML page. I have working that it will authenticate the user and then opens a welcome screen in which I have a button they can push to open a Reports.aspx page. On that page I have a dropdown box that is being populated from a datasource connection query to my SQL Server database table. It is a hard coded query but want it to query the table off the username text value that the user provided on the login (i.e. select <something> from inventory where username = <username>). I have not behind code but only HTML at this point. Here it is ...
<%@ Page Language="VB" AutoEventWireup="false" CodeFile="Login.aspx.vb" Inherits="Login" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server">
[Code] .....
Here is the Reports form that has the dropdown on it:
<%@ Page Language="VB" AutoEventWireup="false" CodeFile="Report.aspx.vb" Inherits="Report" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server">
VS2010 .NET 4 - This simple app works using my local system. When I publish it on an IIS 7 web server, I get this error when the application runs this Linq query with a containes function.
var results = view_UserInfoRepository.View_UserInfo.Where(x => x.Email.Contains(eMail)).OrderBy(x => x.Email);
Server Error in '/' Application.Value cannot be null. Parameter name: textDescription: 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: text 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:
[ArgumentNullException: Value cannot be null. Parameter name: text] System.Data.Linq.SqlClient.SqlHelpers.GetStringContainsPattern(String text, Char escape, Boolean& usedEscapeChar) +595083
I am triing to bind the data to a listbox from sql server then got the error "Value cannot be null.Parameter name: key" ddlCountry = new Obout.ComboBox.ComboBox(); ddlCountry.Width = 200; ddlCountry.Height = 200; ddlCountry.DataTextField = "Country"; ddlCountry.DataValueField = "Country"; sqlCommand = "SELECT [Country] FROM [tbl_LookupCountry] where [Country] IS NOT NULL"; SqlConnection sqlConCountry = new SqlConnection(connectString); SqlCommand sqlCommCountry = new SqlCommand(); sqlCommCountry.Connection = sqlConCountry; sqlCommCountry.CommandType = System.Data.CommandType.Text; sqlCommCountry.CommandText = sqlCommand; sqlCommCountry.CommandTimeout = 300; sqlConCountry.Open(); reader = sqlCommCountry.ExecuteReader(); ddlCountry.DataSource = reader; ddlCountry.DataBind(); sqlConCountry.Close();
I have a simple web-service and want to invoke it from a client. this service has a parameter but when I invoke it from client and send to it a parameter , in server side service run successfully but always parameter has no value and is null ( depend on parameter's type ex if it's string , value will be string and if it's int , value will be zero ) here is server and client code:
[Code]....
there was server and cliend ( proxy class code ) but when I run it and trace in server side always parameter that I send to it has no value.
I have got a problem about setting the optional parameter to NULL in sql sp. Initially I set all the parameters null in the sql sp. That's OK. But I would like to set the parameters to Null again if a particular parameter has a value of - 1 by using the "IF ELSE" statement block. However, the problem was that I was unable to set the parameter to NULL in the IF ELSE statement. So please correct my IF ELSE statement in the store procedure. This is really urgent and important for my project.
spGetMealsByNutritions] @MealTypeID Int, @Gluten Bit = Null, @Dairy Bit = Null, @Egg Bit = Null, @Fish Bit = Null, @Veg Bit = Null, @Pork Bit = Null, @Beef Bit = Null, @Soy Bit = Null, @Sesame Bit = Null [code]...
i am inserting the value of dynamic controls into the db like so;
Dim ae1 As DropDownList = FindControl("AreasExpertise1") If (ae1 IsNot Nothing) Then x.Parameters.AddWithValue("@areasexpertise1", ae1.SelectedValue) End If
When the user fills out the form, they see only areasexpertise1 and have to press a button to dynamically insert another area of expertise...If they only have 1 area of expertise, the query crashes and says 'must declare variable @areasexpertise2.Please can you tell me a way to either insert nulls when the parameters are empty, or to ignore them?
I'm trying to write a query that will work in two situations. In some situations the value for AOL will be Null and in others there will be a vnumeric value. How do I get this procedure to accept Null if its passed in but also accept a numeric value if it's passed in?
I have set the value of an int parameter to the attribute of a textbox.The textbox can be empty or null, how to check whether the parameter is empty or null?
I'm using a custom route to create the following URL (http://mysite/subscriber/12345) where 12345 is the subscriber number. I want it to run the ShowAll action in the Subscriber controller. My route is firing and using Phil's route debugger, when I pass in the above url, the route debugger shows ID as 12345.
My controller is accepting an int as subscriberID. When it fires, the controller throws the error "The parameters dictionary contains a null entry for parameter 'id' of non-nullable type 'System.Int32". Why does the route debugger show a value and the controller doesn't see it?
Here's my route (first one is the culprit)
routes.MapRoute( "SubscriberAll", "subscriber/{id}", new { controller = "Subscriber", action = "ShowAll", id=0 }, new { id = @"d+" } //confirm numeric ); routes.MapRoute( "Default", // Route name "{controller}/{action}/{id}", // URL with parameters new { controller = "Home", action = "Index", id = UrlParameter.Optional } // Parameter defaults );
I'm getting a null in the ShowAll action? Here is the action method signature:
