ASP.NET-Delete or desactivate a membership account from a Database

I have a table in my database called users, have created a Cancel Membership button so that a registered user would be able to cancel his membership whenever he wants.

How do i achieve this.My database has a table called users with fields - FirstName, LastName, EMail,Password. Users normally login with their Email and password details. So please i need a code that will be behind the Cancel Membership button and NOT only explanations.

This is the code i used behind my Cancel Membership button but it does not seem to work:

Code:

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Protected Sub btnCancelMem_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnCancelMem.Click
 
 
        'var to store the email address
        Dim EMail As String = txtEMail.Text
        'var to store the password
        Dim Password As String = txtPassword.Text
        'connect to the database table selecting records matching this email    address and password
        Dim ThisUser As New DatabaseTable(ThisSite.DatabaseName, "delete from users where email='" & EMail & "' and UserPassword='" & Password & "'", "#PN", "#PW")
       
       
    End Sub.

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Im not sure why if you have created a database and membership pages you don't know how to delete a record from the database.

Rather than someone just posting code, you really need to learn ado.net . The steps would be

create a connection to the database
create a command object to execute the query
for a delete statement you would use myCommand.executeNonQuery
close the connection

Lastly you should always use "parameters" to supply values to the query, never place user input directly into the query text - see sql injection attack.

This is a good place to start
http://msdn.microsoft.com/en-us/libr...(v=vs.80).aspx

Following links on that page, here is executing a command
http://msdn.microsoft.com/en-us/libr...(v=vs.80).aspx

Also, where is the type DatabaseTable coming from?

I don't recognise that at all?!?

Gary