ADO.NET :: Create A Query To Gather Information From Multiple Tables?

Apr 1, 2011

I have a view that has to render information from 3-4 tables. I therefore chose to create a viewModel for this. I am using EF as DAL.The information to be displayed is SiteId, SiteName, SiteDetails from one table.Associated to Site, other table Event_type has information about Events in the system with fileds like EventId, EventName, Event ScopeId.EventScope is another table with ScopeID and ScopeDesc Also, there is Site_Event_Implemnetation table that stores all the events associated to a site. It has SiteId, EventId, EventUnitIdEventUnit is another table that stores all the unit types.Now my Details ViewModel has to display the info SiteName, SiteDetails. And associated to that a grid of events with info on EventName, Scope Desc, Unit Desc1. How do I formulate my query to retrieve this info in my repository layer using Linq to EF?

View 13 Replies


Similar Messages:

SQL: Selecting From Multiple Tables In One Query Or A Query For Each Table?

Mar 6, 2011

A follow up question concerning the DAL layer part .. The first question about dealing with large objectsI have one table (PlacesTable) that is connected by like 6 other tables (1:Many and Many:Many relations)

In my DAL should I put a big query that join the 6 tables + the m:m reference tables (btw it produces multiple data that I don't need Please refer to my old question) and place all the data in it's specific object property or, should I use a single query for each table and create an object for each fetched table .. and finally send those to the UI ?If I wasn't clear enough please let me know what I further information do you need to know!

View 4 Replies

LINQDataSource - Query Multiple Tables?

May 15, 2010

have a database and I've created a DBML Linq-to-SQL file to represent this database. I've created a new aspx page and dropped a linqdatasource and a formview control onto it. When I configure the linqdatasource it gives me the choice only to select * from one table...but I want to pull from multiple tables. e.g. I have tables like simple_person, simple_address, simple_phone, and I want to pull from all of them.

View 1 Replies

Databinding Multiple Tables Linq Query To Gridview?

Jun 3, 2010

how can I display a linq query in a gridview that has data from multiple tables AND allow the user to edit some of the fields or delete the data from a single table?

I'd like to do this with either a linqdatasource or a linq query. I'm aware I can set the e.Result to the query on the selecting event. I've also been able to build a custom databound control for displaying the linq relations (parent.child).

However, I'm not sure how I can make this work with delete? I'm thinking I may need to handle the delete event with custom code.

View 2 Replies

SQL Server :: Query To Select Data From Multiple Tables And A Different Database?

Dec 1, 2010

Is there a way to select data from multiple tables other than the UNION ALL statement. Addtionally I need to select data from a different database.

My current statement is as follows (there are alot more fields but I have shortened it ):

SELECT server.dbo.SRFILE.SR_GROUP, server.dbo.SRFILE.SROWNERSHIP, server.dbo.SRFILE.SRCONMAE, BSFLBWF_1.Incidentx,
BSFLBWF_1.Severityx FROM server.dbo.SRFILE INNER JOIN
BSFLBWF AS BSFLBWF_1 ON BSFLBWF_1.Incidentx = server.dbo.SRFILE.SRONUMBER
WHERE (BSFLBWF_1.Closex IS NULL).........

View 4 Replies

SQL Server :: Slow Running Query Based On Multiple Tables Using Joins

Nov 15, 2010

One of my peer wrote a query based on multiple tables using joins. One of the table is in a different database The query was taking much time

1. Create an SP
2. Create a temp table and copy all records from the external db
3. Avoid using Left Join as much as possible and use Inner Join
4. Create and use indexes
5. Remove tables/columns that are not necessary

In this scenario, I would like to suggest to use Covering Index, but how can it be created for multiple tables and a temp table?

View 3 Replies

DataSource Controls :: How To Create An Insert Statement For Two Tables In One Query

Apr 1, 2010

i have a form view that takes fields from two tables 'Contract' and 'volunteers', however because i used a query builder,i have to input an insert statement. How do i create an insert statement for two tables in one query?

View 4 Replies

SQL Server :: Create Multiple XML Files From A Single Query?

Oct 20, 2010

I'm using this code for creating and xml file out of a SQL2005 table:

[Code]....

Is there a way for me to create multiple xml files, one for every row, going by the primary key column, or do I have to create a separate query for each row?

I would also wondering what is the syntax for transforming this query into a stored procedure

View 2 Replies

Databases :: Importing - Updating Sql Tables From Excel Sheet Into Multiple Tables Daily

Jan 4, 2011

I have an C# ASP application I am writing that needs to have the capability to import a generated excel or a comma delineated sheet each day. A clerk will have this job each morning so it doesn't need to be automated. My problem in trying to understand the solution to this is that the 1 sheet contains loan information, including customer information all in the same sheet. I would like to send certain columns to update information in the loan table and send other information to update the customer table. I need it to create relationships when new loans appear in the spreadsheet.

View 1 Replies

C# - Multiple Asp Requests From Multiple Clients Share Information?

Dec 9, 2010

Imagine a website where individual clients can see each-other's presence - like a social network or a chatroom.

For example:

Client1 connects to my website.The back-end C# code updates a static field to indicate Client1's presence.
Client2 connects to my website.Will the back-end C# code for the second request see the information stored in the static field from the first request? Is there anything I need to do to guarantee that these seperate instances of my ASP application are sharing static data?

View 4 Replies

Exporting Multiple Tables In A DataSet To An Excel File With Multiple Sheets?

Jul 8, 2010

I was in need of exporting multiple tables in a DataSet to an Excel file with multiple sheets. I found a very good article in [URL].[URL] was able to successfully export each of my datatables in the dataset to excel worksheets. This solution worked for small number of rows. But when the data got larger I am consistently getting the system.outofmemoryexception. THis is because the code is using up the memory when creating excel.

Does anyone have another option to do the above?

View 2 Replies

Data Controls :: Search In Multiple Tables Using One TextBox And Display Results In Multiple GridView

Jul 22, 2013

I created 3 product  table . A,B and c.

I show product of table in different gridview.  

Now I am using one search box. but how to search product name with image in one query all of three table.... 

Simple how to search product from multiple table and show result...

View 1 Replies

Gather All Textboxes On Form - Generate GUIDs For Each Of Them

Mar 9, 2011

I have 10 textboxes on a webform and I would like to use C# to assign separate guids to each.

View 2 Replies

Gather The User Vote And Perform Calculation And Store Into Db On C#.net?

Aug 21, 2010

I doing the feedback system. I need to gather the user vote and perform calculation, and store into db.

View 1 Replies

MVC :: Sending Information To View - Linq Query?

Jun 27, 2010

In view im trying to do following code:

[Code]....

Trought controller I am trying to send:

[Code]....


Is this Possible? I cannot send it trought model becouse I am sending a list of Products which have a Type field. I don't know how to show in the List view Instead of Type id a Type name instead

View 8 Replies

SQL Server :: Sub Query In Cross Table Query To Create Statistics

Mar 2, 2011

I am trying to create statitics for game downloads and am having dificulty with a sub part of my query. the goup by command is not having the disired result and i think i have been looking at it too long to see what i am doing wrong. [Code]....

At the moment it is producing each result in many rows when only 4 rows should appear. its the download column that is doing it. needs to be sub queried or something to display total in relation to month,gameid,userid.

Month-download-GameID-UserID

1 1
1 1

1 1
1 1

View 2 Replies

Databases :: Bad SQL Query Or Tables Not Indexed Properly?

Sep 29, 2010

will bad SQL query or tables not indexed properly cause any problem when we execute it? or it may just take more time to execute??

View 3 Replies

Web Forms :: Insert Value In Two Tables By Single SQL Query

Apr 11, 2012

How can I insert value in two tables by single sql query because if I'm using two sql query it gives problem me on binding data and connection. Like I have 2 table table 1, table 2 ... In table I'm only save id and name and in other table I'm saving id, time1, time2

View 1 Replies

HttpHandlers / Modules :: How To Send An Email With Information In Query String

May 13, 2010

First I will say I googled (Binged to make Bill happy) for this but could not find anything, perhaps I am not stating what I need correctly;

I have a website that a customer creates orders (for a printing company) and after the order, I would like to email the customer a link to view the status of their order;

I need to send the CustomerID in the link so on the returning page if a CustomerID is detected in the querystring, I "auto login" the client and open the "Dashboard" for the order page for that customer.

Can anyone point me in the right direction as to how to send the link and how to parse the querystring to get the values from the link.

View 8 Replies

Web Forms :: Exporting Multiple HTML Tables To Multiple Excel Sheets Excel

Mar 30, 2010

is there any way that i could export multiple tables already formatted into multiple excel sheets. I know how to export data to multiple sheets through dataset while looping through tables, rows and columns and then add styles.

But I really want to export formatted html tables each into seperate sheet

View 3 Replies

Data Controls :: Display Data From Multiple Tables Using Multiple Dynamic GridViews

May 7, 2015

I have storedprocedure which returns four or more dataset!

example here

How load  and display all data in Default.aspx....

dataset 1

............................................

dataset 2

............................................

dataset 3

............................................

dataset 4

............................................

View 1 Replies

How Can Search A Keyword From A Database(all The Tables) Using A Single Query

Oct 2, 2010

i am developing a web site in Asp.Net using Visual Studio 2008.i want to know that how can i search a keyword that will be entered by the user, i want the key word should be searched in complete database(all the tables)using a single query.I am using sql database. how can the keyword be searched using like parameter...

View 1 Replies

DataSource Controls :: LINQ And C# - Accessing More Then 2 Tables In A Query

Apr 23, 2010

As the title sugests, I am missing a (basic?) concept as I teach myself asp.net, linq, and C#. It has been awhile since I've done anything object oriented, so I don't know how much that is impacting this gap in my understanding. Anyhow, here is what I am trying to do. I have three SQL Server tables: PERSON, POSITION, AREA. There is a 1 to many relationship between PERSON and POSITION, and a 1 to 1 relationship between POSITION and AREA. Given the following code I verify who the person is who has logged into the browser:

[Code]....

I want to be able to return all of the AREAs the person is able to access, based on the position they currently hold. I am able to easily do this in a SQL Server query, and I am sure I can do this with a SQL stored procedure once I pass the EMPLOYEE_ID to the procedure. However, I would rather do this in the page_load event, and load the returned results into gridview1 for the viewer. The issue I am running into is in building the LINQ query. When I try to build it, I can only get access to two of the three tables, depending on which table I select with db. Is it possible to access all three tables in the same query?

View 10 Replies

C# - Execute LINQ Query When The Tables Name Stored In A Variable?

Jul 30, 2010

I want to do execute a LINQ query, and I have the name of the table to query stored in a variable:

string tableName = "SomeTable";
DataContext db = new DataContext();
var vResult = from t in db.tableName where t.Id = ....

View 2 Replies

DataSource Controls :: Sum Data From Two Columns In Different Tables - SQL Query

Feb 9, 2010

I am trying to create an application in which there is a summary of outstanding payments.

One table is Table_Bills.

The other table stores records of Payments made and is called Table_Payments.

In summary i want to show 3 figures - each in separate one field datagridview with a data_source in separate data_adapter:

1) Ammount_Due 2) Amount_Paid 3) Balance.

The first two are no problem but the last is giving me a headache.

I tried this:

SELECT SUM(DHB_New_Jobtable.DayWage) - SUM(DHB_Payments.Ammount) AS Expr1

View 4 Replies







Copyrights 2005-15 www.BigResource.com, All rights reserved