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I have this VB ASP.NET sql data source that calls a stored procedure.
I also on the same page have a custom html form.
What I need to do is asign the form values the values of the database entries.
So something like:
UsernameFormField.Value = DatabaseParameter "username".ToString
I'm working with an asp.net application that stores most data in a database and not session. I'm wondering of the pros and cons of each and which is the better way to go. For example, you have a pretty busy site and instead of storing user specific variables in session, there is a DB table called user data and it can store all user specific data that can be accessed from any page by querying the database. Which is the better way to go, session or database?
View 4 Repliesi am trying to collect 2 variables from one hyperlink, and use those variables in the page_load to set as session. but i don't know how to collect those 2 variables
such :
<a href="javascript:;" onclick="wsChangeColor('mainData', '#FF0000','#FFE4E1');return false;" title="Change color" id="red">1</a>
i would like to collect '#FF0000','#FFE4E1' or direct set '#FF0000','#FFE4E1' to string then send to pageload, how can i do this by only clicking on it ?
I am looking to retrieve data from a database and assign those values to class objects which in turn will be turned into session variables. I am using an object datasource to retrieve the data from the database but I cannot find anywhere that shows how to assign these values to variables. The data is returned in a dataset. There is the added problem that there will be mulitple items returned which will have to be assigned to different arraylists of objects based on the a primary key in the database.
View 4 RepliesI have this code in javascript: var x = e.mapX; It gets the X-coordinate of a map. What I want to do is that I want to store this into a c# variable. I have a class named Test with an integer property X. I want to store var x into X. In the codebehind, I have this on the Page_Load: Test test = new Test(); Then I am trying this on the javascript code: var x = e.mapX;
View 16 Replieswhats the exact use of static variables in overall programming in .net and for asp.net...
Recently i went for the interview where interviewer asked me 2 question which i was not sure for the same..
whats the use of session object, i said sessions are the server side object, they are used when you want to store user specific data at server side, then he asked what if i want to use static variables for the same, i was mum, can anyone tell me how asp.net will behave if i store the user specific information in static variables.If i use cookies which are the best option to store the data at client side (not sensitive one), but what if user has disabled cookies on his machine, will my application would crash.
I cant figure out how to use the Application["myvar"] variable to store data for the application in asp.net 4.0 web app using c#. It say Application is not a known object and I can't for the life of me figure what to do a "using" on to expose it. I am in a static class at the time I cant use it. It seems to work in other units?
View 3 RepliesI have this function that I want to pass the IP and port to and check for a connection. It works fine if I put "127.0.0.1" in the tcpClnt.Connect line. But if I pass the IP2 as shown in the line commented out, it tells me No such host is found. It's like it thinks "IP2" is the host name. How can I pass a variable in there?
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I know what they are and how they are used but i am not sure about their feasibility. Their use is always advised to be avoided. can some one explain me when they should be used and when not?
Aif i have a choice between static veriable and session for just storing an integer which one of these should i prefer??
I have some WCF services. These services run in ASP.NET. I want these services to be able to access a static variable. My problem is, I'm not sure where the appropriate server level storage mechanism is. I don't want to use the database because of speed. But, I want the static variables to stay in memory as long as possible. In fact, I'd like it to stay until I restart my server if it all possible.
View 2 RepliesI'm using ASP.NET MVC (I'm really new to both asp.net and the asp.net mvc type projects, but trying hard to learn).
I've set up MVC with a controller so that it runs a C#.net method which;
queries an mssql db
converts it to json
returns the json string
It's called from the javascript by requesting an url with a parameter. But what I need now is for the C# part to read two integer variables from the javascript. What would be the best way to do that, and does anyone have any good examples/code that I could look at?
I'm having some troubles using Session Variables as they are being used as Reference and I want to use them as value.
I got to this debuging my solution and I created something like:
DataTable dt =
(DataTable)HttpContext.Current.Session[
"SearchReturn-DataTableSchema"];
// Adding Rows of Data to DataTable dt
HttpContext.Current.Session["SearchReturn-DataTable"] = dt;
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I am trying to use QueryStrings from my C# file in my ASPX file:
<asp:Button ID="LinkButtonDetails" runat="server" Text="DETAILS"
PostBackUrl='<%# string.Format("~/projectdetails.aspx?guid=<%= id%>
&name=<%= name%>
&role=<%= company_role%>
&member=<%= mem_id%>
&company={0}
&project={1}&id={2}", Eval("CompanyID"), Eval("ProjectName"), Eval("ProjectID")) %>' />
why I couldn't get the variable from the URL.
<meta property="og:title" content="<% Response.Write(Request.QueryString["title"]); %>"/>
For some reason the code, <% Response.Write(Request.QueryString["title"]); %>, does not retrieve the data in this case. It works fine if I put it in the title tag though.
This question actually refers to a classic ASP page I'm working on, but I'm assuming that app variables work the same in both ASP and ASP.NET Let's say we have a bunch of websites, owned by different people. The sites are all different, but the common theme is they are car enthusiast websites. Each of these websites has their own unique index page (of course), but also "common" pages, which are pages shared by all the websites.
One of the common pages, checks for the value of an application variable, which may or may not exist. For example, lets call this page luxurycars.asp, which is a simple page that shows the top 10 luxury cars of this year. This common luxury car page will pull and use the app variable like so:
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Dim SiteOwner
SiteOwner = Application("OwnerName")
Response.Write("This site is managed by " & SiteOwner)
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This app variable is set uniquely in each clients index.asp page like so:
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Application("OwnerName") = "John Doe"
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Will this work? I just started learning classic ASP (for my job), and I'm reading that application variables are universal and only one copy of the variable will exist. So does this mean if John Doe sets Application("OwnerName") to "John Doe" in HIS index.asp page, will everyone that visits the common luxury car page see John Doe's name? Regardless of whether they got to that page via John Doe's page or someone elses? And if so would using a Session variable instead solve this problem? Sorry if this sounds confusing, let me know if I need to re-word it or give more detail...
I want pass the current page variables to next page and further also.
How to do this?
I was able to handle this to next page by previous page variable property but not further.
This is my first time working on a secure website. It's for a pet project I have.
For security purposes, where is it best to store information like SQL connection strings, database encryption keys, etc? Is it better to use web.config, store them in a class that accesses a database (like dataBaseHelper.cs or something), or somewhere else?
I intend to obtain an SSL cert as well. When communicating with the database, should I always use the secure connection?
Been using this code for most all of my regular queries but trying to do it to a stored proc is causing issues.
var test = DB.SP_test(); //DB is the entity and SP_test is the SP
foreach (var xxx in test){
}
I get an error "foreach statement cannot operate on variables of type 'int' but there is no int in the resultstried changing to Ienumerable<string> test = DB.SP_test but no difference
how do I access variables in a simple asp.net postback using either POST or GET?
View 2 RepliesWhere exactly are session variables saved? Cookies? Server memory? Again where are Application variables saved?
View 3 RepliesI need to clear all sessions at the end of my application, to many to list individually.
So I have found the following ways, but which is best?
Session.Clear();
Session.Abandon();
Session.RemoveAll();
And then the specific way
Session.Remove("variable");
Am trying to design login page for my website and I am looking for methods other than forms authentication. The way in which I am trying is to have a table in the database that stores user information and check for the user validity.
The point where I get struck is how do i set cookies and session variables and how will I carry it through out the system. Can anyone tell/suggest me where I can relevant material so as to move forward. And also is my idea of negating traditional forms authentication and going for a model I described, is it good also does any other better method exist?
I just noticed that I can save a lot of spacing by not using "as" when declaring variables, in some cases (not sure if this is something new in VS2010). For example:
Dim Name as string = "Bob"
works the same as:
Dim Name = "Bob"
I prefer the latter as some of my type declarations can be very long due to the library I am working with, and omitting the types simplifies the lines and makes them more readable. I am wondering a few things:
1. Do the two methods function at all differently?
2. Is this a bad practice, or generally excepted?
3. Is there a name for this?
The following is an example of using session state, which i can handle with a single variable. But this example uses. well you can see it. Where I am stuck is splitting the string into the three variables. Also, I am not too sure about the ; vs. a comma delimiter that usually see. I think it is a pretty old example. Session("Stocks") = "MSFT; VRSN; GE" ' Get Stocks, split string, etc. Dim StockString StockString = Session("Stocks")
View 6 RepliesI'm passing several variables thru the URL and want to use them in several SQL Queries that I want in my asp page. For example one of the (hypotetichal) is client_id and i want to use it in a query to gather other information.
View 1 Replies