To increase the timeout I have written the following codes in we.config
<membership defaultprovider="ProjectProvider" userisonlinetimewindow="720">
<providers>
<add name="ProjectProvider" type="System.Web.Security.SqlMembershipProvider, System.Web, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" connectionstringname="ConnectionString" applicationname="MyApp" enablepasswordretrieval="true" enablepasswordreset="true" requiresquestionandanswer="true" requiresuniqueemail="true" passwordformat="Clear" maxinvalidpasswordattempts="5" passwordattemptwindow="10" minrequiredpasswordlength="5" minrequirednonalphanumericcharacters="0" />
</providers>
</membership>
<rolemanager cacherolesincookie="true" enabled="true" defaultprovider="ProjectRoleProvider" cookietimeout="720">
<providers>
<add name="ProjectRoleProvider" type="System.Web.Security.SqlRoleProvider" connectionstringname="ConnectionString" applicationname="MyApp" />
</providers>
</rolemanager>
<authentication mode="Forms">
<forms defaultUrl="Default.aspx" loginUrl="Login.aspx" timeout="720">
</forms>
</authentication>
But, still it automatically logs out after 5-6 minuites. Someone please help me to disable this timeout feature.