how to store common data like an arraylist of Sports Class which will have different variables in it. I want to access that Arraylist from Vaious pages.
I am new in PHP Progamming, but done sufficient amount of Web Programming in .Net.
I have developed an asp.net application that I developed using visual studio express 2008.
With this application, I have 20 sales items. I can sell 10 of each item each day. Customers can order the items in advance but once an item has more than 10 orders for the day then I can not sell any more of the items for that given day. If a customer tries to order another item after 10 has already been ordered then I must tell them that no further items of that kind are available. So for each day there can be possible 200 orders total (20 items x 10 sales). Customers can order months in advance...
So, my question is what kind of storage device do I use to keep track of this kind of data? Database or application variable or other?
Im in the process of developing a web application, and I wish to store a reasonable amount of data for each user.
This data will be accessed each time the page is refreshed.
The only 2 options that I have come up with is:
* Session Data
* Storing the information in a text file with random file names for each person
* Database
The first one I do not really want to use as it would bog down the server - the second one is cumbersome
Is there any other options?
If possible i was thinking using the database, but am hesitant because of the amount of times the accessing of the database would need (every refresh for every user)
I dont want to store the information inside the viewstate (i dont know what MS was thinking when they thought of viewstate)
I have a scenario for which I wanted the best solution in asp.net c#. My application allows users to retrieve search data from database, this data is the users own temporary list of records which they can search, delete records or select them. All these actions are only on users temporary data list and not on the data base. I have currently carried out this functionality using data table which is stored in session. This method is causing problems when huge amounts of data is held in session (eg: 7000 records). I need a best possible solution for this. Is creating temporary tables an option? Can it be assigned to particular user sessions? Please point me to the right direction and right articles.
View 5 RepliesWe have a scenario where we need to store large tables of data on Session in asp.net page. on a highlevel we have to store following data
1> A table (table 1) with 1000 rows and 8 to 10 columns.
2> A table(table 2) with 500 rows and 8 to 10 columns (actually user can add the data from table 1 to table 2, so as user keeps on adding from table 1 we remove the data and put it in table 2)
3> Another table(table 3) with 1000-1200 rows each having 3 columns.
We are having a webfarm, so we need to store it in either SateServer of Oracle DB,What would be the performance implications of storing such huge data on the server.
One more thing is at any point of time max of 70 -80 people will be accessing our website, so will this cause any performance degradation?
I want to upload some large files from a web page to MS SQL Sever database, I am very sure that it is sounding weird.
File sizes are around 100MB.
I am having following settings,
SessionTimeOut period = 60 Mins,
Server Operation timeout = 60 Mins,
SQL Connection Timeout = 4 mins (Not sure if this is helping)
This is page is going to be used by our client only once a week & as they are having web farm environment we are avpiding to store these files on file systems.
Currenty we are able to upload files with sizes upto 8 MB succesfully. But when we are uploading a file of 100MB it fails, its for sure that operation takes lots of time.
i want to add this functionality in all asp.net pages
1.if xyz cookie missing , return empty html (<html></html>)
2.if abc query string parameter missing ,return empty html.
similary .....
where should i put this conditional logic and where should i define to return empty html and not the page content .
Is there a way for two web project to share several web pages together?
I just want to reuse the web page that created by other developer so i don't need to copy it to my project
I need to store IDs (Contact IDs, Claim IDs, etc.) between multiple .aspx pages. At the moment I am storing the ID in the Session and have set the Session timeout to 300 minutes. However, I am still getting errors because users are attempting to perform operations after the Session has expired.I think users are leaving their web broswers open, locking their computers, going home for the evening, coming in the next morning and attempting to pick up where they left off.
I don't want to use the Querystring. Cookies are more for User IDs than Contact IDs and Claim IDs. Viewstate is only maintained per page. Persisting Session to a database seems unnecessarily complicated. I don't want to extend the Session timeout too much. I'd ideally like them to be able to pick up where they left off in the morning. What are the best practices for dealing with storing IDs between pages? How can I do this without them receiving a message saying their session has expired?
i have a base controller that looks like this:
[Code]....
and a contact model that inherits from the base model.
the master page inherits form the base model,
nad the contact page inherits from the contact nodel,
but then i get an error while loading the contact page that it expects the contact model but gets the base model?
I have a solution I'm working on in VS2010 Professional, using ASP.NET 4.0 with the AJAX Toolkit.This has been working fine, but when I started it up today, I got the runtime exception shown above. This exception occurs on any page with a control from the toolkit.Sometimes when I load a page, I get an exception "Could not load file or assembly 'System.Windows, Version=2.0.5.0, Culture=neutral, ublicKeyToken=7cec85d7bea7798e' or one of its dependencies. The system cannot find the file specified." If I then reload the page (without making any changes), I then get the exception shown in the subject line.I tried dragging an AJAX Toolkit control from the toolbox onto a page, and then deleting it, and that worked - once. The next time I tried the page (or any other), I got the exception again. Dragging a control out didn't help this time.
View 5 RepliesI am working on the following form: This is a smooth popup, I make it appear through ajax using:
$.get('/UsuariosEmpresa/Create/', function (data) {
$("#AltaUsuarioProtectiveLayer").fadeIn("fast");
$("#PnlAlta").html(data);
});
What is great. And the View for create has the following code:
[Code]....
By now I have this two Save Buttons, Save and btnGrabar, just to test. When I use Save it is sending all the information, but not the values for the "Grupo" and "Empresa" dropdownlists. I am trying to use an Editor Template, but I don't know if is the best way, or is better to make in another way: 2 pages, one for create and one for edit. I have the following ViewModel that I try to use here:
[Code]....
And the dropdown list are in the editor template in this way, they are relation dropdownlist so depending on the Grupo=Group will show the corresponding Empresas=Companies:
[Code]....
And there is the problem I believe. The db diagram for this part is the following: The question are:
a- What is the best way to do this?
b- Is ok to use a template?
c- How should I send the information to save correctly the id_Empresa value?
d- Is ok to use the ViewModels or is better to send all the values as $.post parameters?
e- Is ok the way I cascade the dropdownlist?
I have two tables... Laptop category and Laptop details ... Laptop of each category is displayed using Imagebuttons in my website... eg: Dell.HP,Compaq and each category is associated with unique ID like 1 ,2, 3, etc.
Based on this category ID when i click on particular image button it should redirect to another web page ( I ve specified the page in each ImageButton's PostBackUrl property as LaptopDetails.aspx ? catId=1 ....). And in Details page I would like to display the sub models of particular Laptop Category...
for eg Dell has three sub models INSPIRON 1464, INSPIRON 15 and INSPIRON 15R
sub models has to be displayed with image and all the details from the database...
I have a parent View that uses a few partial views. Each partial view has its own custom model. The parent View is a model containing each of the partial view's model. In other words this parent View model is NOT flat.
How do i get POST data to bind with the parent's model object? Do i have to write a custom model binder?
Update I'm not binding to a collection of objects of the same type (ie: a collection of uploaded files). I'm binding to object that contains multiple of objects. For example:
[code]....
I have a File Uploader in my ASP.NET application Using C#, we can upload any type like images, documents, pdf etc.
I m storing it in the Filesystem and having only the Name of the File in DB.My doubt is can we store the entire file, images in DB. State me Which is good practice and why we need to use it.
Either file System Storage or SQL DB Storage.
(Using SQL Server 2008 and ASP.NET MVC2)I have a simple business table and a category table. I have a 3rd table to map business to category, a many-to-many relationship. the Map table contains a BusinessID and CategoryID. I'm lost as to how I can load the categories into my Business View Model using the entities model.Without incorporating categories, my code looks like this:
[Code]....
with Business View Model defined as:
[Code]....
but if i want to populate the Categories with the mapped categories, how would one do that?
quick question: I have a view on my HomeController which is used to create a new 'model'. This view posts to a different controller to keep things tidy. The problem I am having is when I enter invalid details into the form, the rules I specified never seem to make it back to the original view and thus my validation messages or summary never get populated. Is there a way around this because I am using a view model with two IEnumerable lists in it.
View 5 RepliesIs it possible to upload .obj files ( 3D models ) to an sql server database?
View 1 RepliesTrying to explain this clearly. I have a dropdown listbox where user can select multiple names. These names are then selected/inserted into db table in a loop. Table is displayed in an editable gridview. I have a main sqldatasource1 on my aspx page with select/insert/update permissions, but because select command doesnt work with parameters of multiple values (or does it?), i resorted to using an alternative sql datasource in the codebehind in order to run the select query on the multiple values chosen from the dropdownlist to see if they were in my table.I now get this error when I go to select multiple names from the dropdown list
Unable to cast object of type 'System.Data.Common.DataRecordInternal' to type 'System.Data.DataRowView'.
Is it possible to hava a Colums in grid like
Binding Grid as:
Date Apple Banana Mango
26-Apr 5Qty 8Qty 7Qty
I want to add Common Header for Apple banana mango above it as FRUIT. is it possible and how
We are using static hashtable in webservice for sharing common data among different users. Is it safe? Is there any better way?
View 1 RepliesI am using multiple gridview in my asp page.How to bind mutiple gridview Like code below this.
protected void Page_Load(object sender, EventArgs e) {
if (!Page.IsPostBack) {
Label1.Text = Session["projectname"].ToString();
GridBind();
} else {
//Response.Write("Postbac occurs");
[code].....
I am retrieving data from a web serivce and storing the data into a dataset.
I'm then populating a gridview with the data from the dataset.
Before each row of data is displayed on the website, I need to check and make sure the user has proper permissions to view that data.
Can this be done with a gridview(or any other .NET data control)?
Or would I need to loop through the data manually, and then write each row out manually?
I'm trying to store data from fb wall into database.
My *.cs code
public ActionResult GetWall()
{
JSONObject wallData = helper.Get("/me/feed");
if (wallData != null)
{
var data = wallData.Dictionary["data"];
List<JSONObject> wallPosts = data.Array.ToList<JSONObject>();
ViewData["Wall"] = wallPosts;
}
return View("Index");
}
Which gets posts from fb wall. And then I have an *.aspx file, which "breaks" my wallposts into pieces (objects) or whatever you like to call them.
foreach (Facebook.JSONObject wallItem in wallPosts)
{
string wallItemType = wallItem.Dictionary["type"].String;
//AND SO ON...
What i'm trying to say is that I can access to elements inside fb JSON.
Is there a way i can access to the JSON elements inside *.cs file. Or is there a way I can store elements inside the *.aspx file to db?
If I store all my user info, upon login, in cache and just have a "my account" page that displays the user info from cache, is that a good practice? I'm wondering if a person changes his email or does any type of database modification then the cached variables will be the wrong ones. If I have to update the cache variables every time something happens to the database, is this even a good practice compared to just querying the data whenever needed?
View 3 Replies
