Error--->ASP.net website Administration tool .Please help me i can't create role, user and so on
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  <p>Unable to connect to SQL Server database. at   System.Web.Administration.WebAdminPage.CallWebAdminHelperMethod(Boolean isMembership, String methodName, Object[] parameters, Type[] paramTypes) at  ASP.security_roles_manageallroles_aspx.BindGrid() at  ASP.security_roles_manageallroles_aspx.Page_Load() at  System.Web.Util.CalliHelper.ArglessFunctionCaller(IntPtr fp, Object o) at  System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) at  System.Web.UI.Control.OnLoad(EventArgs e) at System.Web.UI.Control.LoadRecursive() at  System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) </p>
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