ADO.NET :: SQL Query Inside Return URL?
Feb 8, 2011
I am trying to create a web service that will return a URL with a GUID at the end. It will look like this:
[URL]
However, the GUID will come from a database. What is the best way to do this? I tried using a Data Set but it would not let me append the Dataset to a string that I was trying to return. The return value was the web address with the Data Set appended to the end but I go an error.
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Jul 7, 2010
This issue has a few different facets so I wasn't sure what topic to post it in.I have a DB query like this:A SELECT statement with an INNER JOIN of two tables: [programs] and [program_managers] then on an aspx page ProgramManagers.aspx, I list the Project Managers, ordered by the Priority field of [programs].
I take the query and put it in a DataTable.Then I loop through the rows 1 by 1, creating Labels, etc to display the content.
Now here's the issue: Because a given Program Manager may manage more than one program, when I display this way, the Program Manager's Bio etc, gets listed as many times as their are programs that they manage.
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Jan 18, 2011
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[Code]....
creating Linq query in return statement
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Mar 25, 2011
I am consuming an RSS feed to display on my website using a repeater control. I was wondering if it's possible in VB to return an anonymous type from my linq query rather than a collection of strongly typed RSSItems. I know this is possible in C#, however haven't been able to work out a VB equivalent.
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Feb 9, 2011
I'm building a web app for my company that will run a query every few seconds against SQL Server, and the data that it returns is which database is restoring and how much % complete it is. I have the query already set up and it works fine.
What I want to do is on my Web Form, have a "div" element that will contain the % complete of a database restore, and have it update every few seconds using the JavaScript timer object:
setInterval(function, interval)
I figure I would need to use XMLHttpRequest to send the request to the web server which will run the SQL query. Am I on the right track? How would I even start to do this?
My SQL query is below:
Use master
Select der.session_id, der.command, der.status, der.percent_complete, *
From sys.dm_exec_requests as der
Where percent_complete > 0
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Mar 12, 2010
Is there a way opf getting the first value from a linq query so for example
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Mar 16, 2011
I have this code in my controller:
public ActionResult Details(int id)
{
using (var db = new MatchGamingEntities())
[code]...
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Jan 1, 2010
I have a page that lists products from a table based on the querystring. So if I say foo.aspx?fam=1 all the products from family 1 will be listed. How can I make my code list all the values if query string is empty? My SQL command would have to be different...can't really see how I can do this.
<asp:SqlDataSource ID="ds_produtos" runat="server"
ConnectionString="<%$ ConnectionStrings:LocalSqlServer2 %>"
SelectCommand="SELECT DISTINCT [IdProduct], [Name], [Description], [IdFamily], [Price], [Stock] FROM [Product] WHERE ([IdFamily] = @IdFamily )">
<SelectParameters>
<asp:QueryStringParameter Name="IdFamily" QueryStringField="fam" Type="Int32" />
</SelectParameters>
</asp:SqlDataSource>
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Jun 11, 2010
I have an SQL database table like the following:
ID // Code // Shape
The ID is the integer identifier.
On one line the Code may be OX01 and shape Hexagon for example
Then the next line the code is still OX01 but the shape is Triangle.
What I want to do is be able to pull back data for every line that is equal to a unique Code column. in the above example OX01 Hexagon would be returned but not OX01 Triangle.
I've tried using SELECT DISTINCT but it brings back all records and doesn't filter them correctly.
I've considered having another column which could have Child/Parent data so that only the parent is returned but i'm sure there must be a better way of doing this.
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Oct 28, 2010
[Code]....
for some reason it doesnt return any values.
before i've added the inner join it worked perfectly.
i couldn't find my mistake, though i passed over it several times.
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Jun 2, 2010
i have a Linq query that check something in database
after that i want to check if record find in database or not
dim re = From r in db.mytable _
where r.ID = _ID
Select r
how can i check the re return somthing or empty
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Sep 29, 2010
i am writing a website that has a social networking element to it, and i want to display mutual friends of the person being viewed with the person that is viewing.
is it possible to search one database table and look for matching entries using 2 different usernames? if so how would i do it?
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Sep 2, 2010
I am using the query listed below which includes multiple joins, in the result of the query I need to do some value replacement valuesExample: db.ASSETS.BUILDING_ID=300 that ID does not exist in db.BUILDINGS, in that case I need to return BUILDING_ID=0, db.BUILDINGS.NAME="Unassigned"
[Code]....
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Jan 15, 2011
i call FormsAuthentication.RedirectToLoginPage() to redirect to login page. but there is one problem: this method adds a return url to query string.how should i disable this?
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Feb 13, 2014
I have a array list and am using like a database trying to search for ChildID and ParentID based on certain criteria.
My example below has the following keywords to search for:
Yellow, Mustard, Honey, Orange, Flame, Talisman
I also have a category volume value which I grab the first 2 characters to determine another filter.
My code isn't returning all matches with using 'Contains'. Right now it finds the 'Orange, Flame, Talisman'/AV record and returns 50, 28. My keywords also has 'Yellow, Mustard, Honey'/AV which should return 55 and 28 as well.
HTML Code:
<%@ Page Language="VB" AutoEventWireup="false" CodeFile="temp2.aspx.vb" Inherits="temp2" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
[Code] ....
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Apr 14, 2010
I am trying to fill a gridview with the data from Product table selecting few columns . I am using 3 - tier architecture and in DAL getproduct(userid) I am writing the query but cannot figure out exactly how to get that working .. here is piece of method I wrote
public List<Project> GetProjectList(int ownerId)
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May 18, 2010
I have the below c# method to populate an asp.net frontend control from a linq query. The only valid way I seem to be able to reference the query variable "result" is if I use the attribute "SingleOrDefault" but unfortunately this forces my query to return just the one single set of data for every unique primary key UserId value from my query, where I require the unique data attached to each different UserId value to be returned, how can I achieve this using linq? Note, I am passing the UserId value into my method from a public variable which is also below.
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Mar 29, 2010
I am working on a small project. I ran the query below to get the maximum userid and increase it by 1 to create a new userid. However, when I run the query, it does not display the values that I enter into the database using insert statement. For example, if I open the table called login, I can see there are three records. If Irun the select statement, it only return one record which is the one that I enter manually when I first created the table. If I run the same select statement and give it a user id that I created, it returns the correct result.
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May 26, 2010
I just tring to a complex (for me) with ado.net entity framework this is the structure: In practice it is a sort of group purchasing (Buyers) For each group of purchase (Buyer) should have the opportunity 'to select all products of the brands indicated in buyer I'm doing function to return correct data like this:
public List<Product> GetProductsByBuyer(int vBuyerId)
{
Buyersctx.Products.MergeOption = MergeOption.NoTracking;
return (from lProduct in Buyersctx.Products.Include("Brand").Include("Buyers")
where select lProduct).ToList();
}
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Jun 24, 2010
I am trying to do a lookup in a table with a value stored in an xml column.
I tried this several ways but I can't get it to work.
Here is some code:
[Code]....
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Mar 18, 2011
I have this code in my controller:
public ActionResult Index()
{
MembershipUser currentUser = Membership.GetUser();
Guid UserId = (Guid)currentUser.ProviderUserKey;
using (var db = new MatchGamingEntities())
{
var MyAccount = from m in db.Accounts..........
I want to be able to do a join query between my two tables Accounts and BankTransactions. This is a one to many relationship, there can be multiple BankTransactions per Account. I want to query this and display the account information including all the bank statements that are associated with it. I did a join in order to get it, but I am having trouble handling the model. I keep getting this error:
LINQ to Entities does not recognize the method 'System.Collections.Generic.List1[MatchGaming.Models.BankTransaction] ToList[BankTransaction](System.Collections.Generic.IEnumerable1[MatchGaming.Models.BankTransaction])' method, and this method cannot be translated into a store expression.
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Nov 24, 2010
I have a class file called ShoppingCartClass.cs. Inside ShoppingCartClass I have a method called CanadaPostShipping.
CanadaPostShipping get passed a lot of variables and then builds an xml, sends it to CanadaPost url and gets back an xml file with the shipping rates.
I would like to pass the xml back to my webpage so in my web page I can check that it has status ok and then extract the information I need.
My testing calling routine looks like this:
[Code]....
The start of my CanadaPostShipping routine looks like this
[Code]....
This is my current ending spot in CanadaPostShipping....where I am getting back the correct xml from CanadaPost
[Code]....
As you can see I am saving it to my thumbdrive.....
What changes would I have to make to my calling routine and the method in the class to return xml "mydoc"?
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Sep 7, 2010
I cant seem to find a good example of how to build the query logic. We are allowing users to search based on lat/long and need to add radius as another parameter. So you enter 29.30125 as the latitude and -95.04590 as the longitude and pick say 15miles as the radius, i need to return all records that fall within that radius.. can someone suggest a good site to review this type of query?
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Feb 10, 2011
I have the following code:
public static PartialViewResult DateTime(this HtmlHelper helper)
{
return System.DateTime.Now.ToLongTimeString();
}
and now I want to return a Partial view from inside the DateTime method. But helper instance does not have any method for partial view.
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Jul 20, 2010
I am looking into someone's code for a production application which is working fine.There is one page (main.aspx) and this main.aspx has 5 user controls inside it.Inside the Page_Load event of the main.aspx and all other user controls the first line of code is:
protected void Page_Load(object sender, EventArgs e){
if(IsPostBack) return;
I am finding this line very strange. As all the button events are postbacks. Then how come this application is working fine?
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