Implementing Login Authentication in WPF Application

connectionString="server=.\SQLEXPRESS;database=ASCO_DB;integrated security=sspi;"/>






name="AspNetSqlMembershipProvider"
type="System.Web.Security.SqlMembershipProvider,System.Web"
connectionStringName="LocalSqlServer"
enablePasswordRetrieval="false"
enablePasswordReset="true"
requiresQuestionAndAnswer="true"
applicationName="/"
requiresUniqueEmail="false"
passwordFormat="Hashed"
maxInvalidPasswordAttempts="5"
minRequiredPasswordLength="7"
minRequiredNonalphanumericCharacters="0"
passwordAttemptWindow="10"
passwordStrengthRegularExpression="" />