System.Web.Security.SqlMembershipProvider.UpdateUser C# (CSharp) Method

		public override void UpdateUser (MembershipUser user)
		{
			if (user == null)
				throw new ArgumentNullException ("user");

			if (user.UserName == null)
				throw new ArgumentNullException ("user.UserName");

			if (RequiresUniqueEmail && user.Email == null)
				throw new ArgumentNullException ("user.Email");

			CheckParam ("user.UserName", user.UserName, 256);

			if (user.Email.Length > 256 || (RequiresUniqueEmail && user.Email.Length == 0))
				throw new ArgumentException ("invalid format for user.Email");

			using (DbConnection connection = CreateConnection ()) {
				int returnValue = 0;

				DbCommand command = factory.CreateCommand ();
				command.Connection = connection;
				command.CommandText = @"aspnet_Membership_UpdateUser";
				command.CommandType = CommandType.StoredProcedure;

				AddParameter (command, "@ApplicationName", ApplicationName);
				AddParameter (command, "@UserName", user.UserName);
				AddParameter (command, "@Email", user.Email == null ? (object) DBNull.Value : (object) user.Email);
				AddParameter (command, "@Comment", user.Comment == null ? (object) DBNull.Value : (object) user.Comment);
				AddParameter (command, "@IsApproved", user.IsApproved);
				AddParameter (command, "@LastLoginDate", DateTime.UtcNow);
				AddParameter (command, "@LastActivityDate", DateTime.UtcNow);
				AddParameter (command, "@UniqueEmail", RequiresUniqueEmail);
				AddParameter (command, "@CurrentTimeUtc", DateTime.UtcNow);
				DbParameter retValue = AddParameter (command, "@ReturnVal", ParameterDirection.ReturnValue, DbType.Int32, null);

				command.ExecuteNonQuery ();

				returnValue = GetReturnValue (retValue);

				if (returnValue == 1)
					throw new ProviderException ("The UserName property of user was not found in the database.");
				if (returnValue == 7)
					throw new ProviderException ("The Email property of user was equal to an existing e-mail address in the database and RequiresUniqueEmail is set to true.");
				if (returnValue != 0)
					throw new ProviderException ("Failed to update user");
			}
		}