public static UserState AddUserState(UserState userState)
{
string sql =
"INSERT UserStates (Name)" +
"VALUES (@Name)";
sql += " ; SELECT @@IDENTITY";
try
{
SqlParameter[] para = new SqlParameter[]
{
new SqlParameter("@Name", userState.Name)
};
int newId = DBHelper.GetScalar(sql, para);
return GetUserStateById(newId);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
return null;
}
}
public static void ModifyUserState(UserState userState)
{
UserStateService.ModifyUserState(userState);
}
public static void DeleteUserState(UserState userState)
{
UserStateService.DeleteUserState(userState);
}
public static UserState AddUserState(UserState userState)
{
return UserStateService.AddUserState(userState);
}
public static UserState GetUserStateById(int id)
{
string sql = "SELECT * FROM UserStates WHERE Id = @Id";
try
{
SqlDataReader reader = DBHelper.GetReader(sql, new SqlParameter("@Id", id));
if (reader.Read())
{
UserState userState = new UserState();
userState.Id = (int)reader["Id"];
userState.Name = (string)reader["Name"];
reader.Close();
return userState;
}
else
{
reader.Close();
return null;
}
}
catch (Exception e)
{
Console.WriteLine(e.Message);
return null;
}
}
public static void DeleteUserState(UserState userState)
{
DeleteUserStateById(userState.Id);
}
private static IList<UserState> GetUserStatesBySql(string sql, params SqlParameter[] values)
{
List<UserState> list = new List<UserState>();
try
{
DataTable table = DBHelper.GetDataSet(sql, values);
foreach (DataRow row in table.Rows)
{
UserState userState = new UserState();
userState.Id = (int)row["Id"];
userState.Name = (string)row["Name"];
list.Add(userState);
}
return list;
}
catch (Exception e)
{
Console.WriteLine(e.Message);
return null;
}
}
public static void ModifyUserState(UserState userState)
{
string sql =
"UPDATE UserStates " +
"SET " +
"Name = @Name " +
"WHERE Id = @Id";
try
{
SqlParameter[] para = new SqlParameter[]
{
new SqlParameter("@Id", userState.Id),
new SqlParameter("@Name", userState.Name)
};
DBHelper.ExecuteCommand(sql, para);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
throw e;
}
}