I am trying to use query strings in ASP.NET. I have a requirement of the following format
http://localhost/website/1/?callback=?
Here 1 denotes the ID of the profile. This means some info from id=1 will be fetched through the string
If this would have been website/2/?callback=? , then the id would be 2. My questions is to how do I use this /id/ as a query string so it can be used to fetch the profile ID. This was my first preference to use /id/ format otherwise I could look into fetching using two ?'s
If the id =1, I want to fetch ID=1 particulars from DB on this page. http://localhost/website/1/?callback=?
In your case the ID is in the PATH, not the query string. You can access the path via Request.Path in an ASPX page. From there you would need to do some string parsing to get at the portion of the path where you expect the ID to be.
In your case I would probably use something like int.Parse(Request.Path.Split(new char[] {'/'}, StringSplitOptions.RemoveEmptyEntries)[1]), but please note that I've made that line pretty dense for brevity's sake. For starters, you should use int.TryParse() instead of int.Parse(). This code assumes that the ID will always be in the same place in the url. For example, it will work for "/website/2/" and "/user/2/", but not for "/website/somethingelse/2/".
UriTemplate might be a good choice for that sort of parsing. Not to mention, probably a bit more clear and explicit about what's happening.
Check out: http://msdn.microsoft.com/en-us/library/system.uritemplate(v=VS.90).aspx
Related
I have found a similar question earlier here:
Google Analytics Visitors Flow: grouping URLs?
However I'm confused because people suggest different way to write the Replace String, and either way I try it am not able to make it work.
So I have a ecommerce site with hundreds of different pages. The different parts of the website is:
http://example.com/sv/ (Root)
http://example.com/sv/category/1-name/
http://example.com/sv/product/1-name/
http://example.com/sv/designer-tool/1-name/
http://example.com/sv/checkout/
When I go to the visitors flow. I want to see the amount of people that go from example Root to Category, and from Category to Product, and from Product to Designer Tool, and from Designer Tool to Checkout. However now when I have so many different pages it becomes very difficult to follow the visitors flow, because the product pages are for example not grouped together.
So instead of above. I would like to remove the 1-name/ part in the end. And only see /sv/category/, /sv/product/, /sv/designer-tool/.
In the earlier post I understand you can use an advanced filter to do this. I have set the following settings:
Type: Search & Replace
Field: Request URI
Search String: ^/(category|product|designer-tool)(/\d*)(.*)
Replace String: /$A1$A3
I guess that my search string and my replace string is wrong. Any ideas?
EDIT: I updated my filter to the following:
Search String: ^/sv/(category|product|designer-tool)(/\d*)(.*)$
Replace String: /sv/\1/
Still testing and unsure if it's the correct way to set it up.
I was able to solve this by the Search String and the Replace String in my edit above.
So basically what I did was:
Create a secondary view/profile for your site. If you apply your filter to your one and only view/profile that means that you won't be able to see any detailed data about specific pages, because the filter removes/filter that.
Add an Advanced Filter with the following settings:
Type: Search & Replace
Field: Request URI
Search String: ^/sv/(category|product|designer-tool)(/\d*)(.*)$
Replace String: /sv/\1/
You need to wait 24h after creating your new profile/view before you can see any data in it.
So my confusion was regarding the Search and Replace String. The Search String is an regular expression for matching everything after your .tld. So for example http://www.example.com/sv/mypage/1-post/, the Search String will only search within /sv/mypage/1-post/.
The Replace String is what it should replace the whole Search String with. So in my case, I matched all URL's that had /sv/category/1-string/. I wanted only to keep the "category" part, so I replaced the whole string with /sv/category/ by inputting Replace String /sv/\1/
/sv/ means just what it says. \1 means that it should take the value of the first () of my Search String (In this case "category"). The ending / is just an ending slash.
All in all, it means that any URLs that looked like http://example.com/sv/category/1-string/ was changed to http://example.com/sv/category/. Meaning that I can now see data for all my categories as a group, instead of individual pages.
I know this sounds like a very stupid question, but I've been trying to figure this out and I can't find anything on this, though it seems obvious that this should be doable.
I'm developing something that queries an OWL file through its API using the Manchester OWL Syntax and a HermiT reasoner. I alternatively also run queries on the DL Query tab in Protege 4 to check my query results on that file. The file is basically the Friend Of A Friend (FOAF) ontology with added data instances.
The problem: I can't find a way to query an instance by its unique identifier.
It's supposed to be the URI so e.g. for a Person object with URI http://xmlns.com/foaf/0.1/Andrew_Kuchling, I tried to run the following queries:
Person and URI value "http://xmlns.com/foaf/0.1/Andrew_Kuchling"
Person value "http://xmlns.com/foaf/0.1/Andrew_Kuchling"
Person and URI value "Andrew_Kuchling"
Person that "Andrew_Kuchling"
none of these work. (The URI is constructed by prefixing http://xmlns.com/foaf/0.1/ to whatever string you enter and URI is not actually identified in the ontology as a property).
In FOAF, mbox_sha1sum is the sha1sum of a mailbox. Mailboxes are uniquely connected to individuals. So I tried the following query:
Person and mbox_sha1sum value "mbox_sha1sum-property-value-here"
However, it doesn't even execute this query because it feels the query is incorrect. The mbox_sha1sum value is the same that I've added for this Person. It exists in Individuals.
It does execute this query:
Person and firstName value "Andrew"
All data properties are not specialised data types. Treated as literals by default.
I really don't know what I'm doing wrong. Can someone please please help?
I know this question has been posted more than a year ago, but I recently asked me the same question and found the following solution:
Just put the name of the individual/member you want to query for in curly brackets:
{MyIndividualEntityName}
This way you can even query for more than one individual at a time:
{IndividualName1,IndividualName2}
Please note that these queries form class expressions of so called enumarated classes. This means, that the result of this query will not simply be a list of all super or sub classes of all the individuals you have named in your query. Instead it refers to an anonymous class that consists of exactly the individuals you have listed.
An anonymous class is a class that isn't available from outside of your ontology, because there is no referrable owl entity for this class (no IRI to refer to).
You can find more information on the OWL Manchester Syntax in the offcial W3C specification.
I have a field with product name
abc® product1
If I get the data from the database and databind it to the dropdownlist. It becomes
<option value="2">abc ® product1</option>
I don't want ASP.net to escape the ® to %amp;reg.
What should I do?
i'm using such thing (see below), maybe it will help you
first i'm encoding data (special symbols) in numeric entites, when push data in database
when i receive it from database, i write such thing in View:
<% =Html.TextBox("test", Model.test).ToString().Replace("&#", "&#")%>
point is, that when you writing Model.test, that actually means Html.Encode(Model.test)
in my case i don't want to simly decode it (because it could be XSS for example), but write only correct data to input value
In your database you shouldn't store abc® product1 but abc® product1. Then when this value is rendered on the page you need to HTML encode it which happens automatically if you use <asp:DropDownList.
As the above person mentioned, abc® is a REALLY bad feild name.
Does it HAVE to be that?
You want to HTML encode the string prior to it being shown in the HTML. This will preserve its name
I am having trouble to what i should name this in the title field...
Question is. I want to select a blogpost by entering its title, like this:
http://localhost:3254/blog/2010/10/net-programming
The title of the blogpost should be ".net programming". So i have setup a route to look for a year a month and finally a string. But how should i save this in the database to be able to search for it?
Should i add a field, like id, that contains asp-programming? or should i parse the title for every search? or should i convert the title and then convert it back before displaying it to the user?
The standard method is to create a separate column in the database (usually called 'slug' or permalink) that stores the html-friendly name that may be used by Urls. Then, if the title of the post changes you would normally keep the slug the same so that anyone who has bookmarked the link can still find the post. The value us usually defaulted from the blog title, replacing spaces with - and removing any non url friendly characters.
http://en.wikipedia.org/wiki/Slug_%28web_publishing%29
There are two possible solutions I can think of
Create your own Route handler and within its code, search for the actual record in the database
Create an action method in a Controller that accepts a string parameter and call that parameter id (or whatever the default is in your MapRoutes method).
I have a table that contains three columns.
"UserId" type-nvarchar
"PostAuthorId" type-nvarchar
"Post" type-text
This table will contain "wall" posts like in facebook for each user's page. I am going to use a gridview on each user's page to display the posts. The issue is I want to display them with the latest(most current) post being first and the earliest post being last.
I have never used autoincrement before and I am not sure if that is the answer. If it is, I do not know how to use it. I thought about adding a date posted column and then ordering by date.
If I end up using the date column, I could also display the date on the post. Is there a way to convert the date to a readable format?
What is the best way of implementing this type of ordering?
If you use AutoIcrement the first record will start with 1 and each record will increment from there. (default setting)
If you want to sort them by newest first do an ORDER BY ID DESC
I would suggest making a column called wallPostID then setting that to AutoIncrement and also your Primary Key
Date Formating:
If you are displaying this data in a gridView
Go to Edit Columns on your grid view
CLick on the Date field under "Selected Fields" on the bottom left
Under "BoundField properties" on the right Go to Data -> DataFormatString
{0:d} will display as 1/1/2010
This site has more info in string formatting
http://msdn.microsoft.com/en-us/library/fht0f5be.aspx
A datetime column would definitely work for something like this. Assuming you are using MS-SQL, you can also attach a default value to the column using a built-in function like GETDATE(). That way, you only have to input the data that matters and the database will take care of adding the datetime column.
For converting a datetime to a readable format try:
DateTime postDate;
string value = postDate.ToShortDateString();
You should always use an ID field that auto increments. Can also be used as your PK
I would suggest the DateTime field rather than the autoincrement simply because it will not only serve as an effective Sort field, it also preserves information that you may well want to display. If you want the most recent first you'll sort using the Date and a "DESC" modifier:
Select ... Order By [Date] DESC;
When you retrieve the data, you can retrieve it as a DateTime and modify it using C#. You can use "ToShortDateString()" as suggested by mdresser if you just wish to show the date or ToString("...") if you wish to show the time as well. You can also use SQL to convert it into a string before retrieving it:
convert(Varchar(10), #mydatetime, 101)
If you look in MSDN you'll see the various conversion codes (101 is the code used above) that can be used to translate the date in various ways.
UPDATE: You may want to use an autoincrementing field for your application for reasons other than your expressed need to sort wall entries. They are easy to use - just mark the field as an Identity if using SQL Server (other DBs are similar). As far as using them in your program, just think of the field as an Int field that you never have to set.
Now, why would you use a auto-incrementing field? Perhaps the most straightforward reason is so that they give you have an easy way to identify each record. For example, if you permit people to alter or delete their wall entries, the auto-incrementing field is ideal as it gives you a way to easily look up each record (each record will be assigned its own, unique value). You might put an "x" next to the record like StackOverflow does and make it a call back with the UID (auto-increment) value. Note that you should set up your primary key on the UID field if you'll be doing this.
Now, if you find them useful for this reason then you could also sort by the UID. I would still store the date so that you can provide Date and Time feedback as to when an entry was made on the wall but this would no longer be your indexed or sorted field.