asp.net membership default setup

with these settings inside   you are set to go.

tsql add default constraint

IF NOT EXISTS(select * from sys.DEFAULT_CONSTRAINTS where NAME like 'def_myconstraint1%')
BEGIN

 ALTER TABLE mytable1
 ADD CONSTRAINT def_myconstraint1 DEFAULT 1 FOR mycolumn1
END
GO

css center a div

tried to use text-align:center didnt work, the correct way is:

width: 10240px ;
  margin-left: auto ;
  margin-right: auto ;

asp.net web application update web.config SMTP settings in global.ascs application_start():

asp.net web application update web.config SMTP settings in global.ascs application_start():

System.Configuration.Configuration config = System.Web.Configuration.WebConfigurationManager.OpenWebConfiguration("~/");

            System.Net.Configuration.MailSettingsSectionGroup mailSettingsGroup = config.GetSectionGroup("system.net/mailSettings") as System.Net.Configuration.MailSettingsSectionGroup;

            mailSettingsGroup.Smtp.Network.Host = Properties.Settings.Default.SMTPServer;

            mailSettingsGroup.Smtp.Network.Port = Properties.Settings.Default.SMTPPort;

            mailSettingsGroup.Smtp.Network.DefaultCredentials = Properties.Settings.Default.SMTPAuthenticationEnabled;

            if (mailSettingsGroup.Smtp.Network.DefaultCredentials)

            {

                mailSettingsGroup.Smtp.Network.UserName = Properties.Settings.Default.SMTPUsername;

                mailSettingsGroup.Smtp.Network.Password = Properties.Settings.Default.SMTPPassword;

            }

prevent double click on asp.net button control

headache solved after search and search and search for solutions:

OnClientClick="this.disabled = true; this.value = 'Submitting...';__doPostBack('SaveChangesButton','')"