DataSource Controls :: Combine Data From 2 Tables
Mar 27, 2010
I have 2 tables with UserId and FirstName, LastName Columns that I want to combine the data in a Select Statement or Stored Procedure
1. The 2 tables will never have the same data, each table will be distinct
2. I want to combine first and lastnames to a full name (t1.FirstName + ' ' + t1.LastName) AS FullName
3. The statement will be used to populate a dropdownlist with UserId as Value, and Name as text
I am unsure how to accomplish this since I do not need to connect the tables, but combine the Sum of their data.
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Feb 4, 2010
I have 2 tables and I want to entries of the tables into something like this:
Table 1: Table 2: End Result:
a 1 a - 1
b 2 a - 2
... ... b - 1
... ... b - 2
... ... ...
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Dec 5, 2010
I'm fairly new to all this, but have slowly been teaching myself C# and ASP.net MVC over the past year or so...I really tried to search for this, but haven't been able to find anything - it may be I'm using the wrong terminology!I'm using ASP.NET MVC2 with EF4 connected to a SQL Express db. Situation: Without getting into too much specifics, I have one table called 'Plan.' Under 'Plan' are several different categories that are related to a single Plan item [say Category A, Category B, Category C and Category D]. Each 'Category X' table has a beginDate, endDate and other details specific to that category.
I'd like to be able to create a summary page that combines all items from Category A, Category B, Category C, and Category D and sorts by beginDate - but only need a few of the columns [eg - begin/end date, name, id].
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Jan 8, 2011
The main problem is that I recieve the following message:
"base {System.SystemException} = {"Unable to create a constant value of type 'BokButik1.Models.Book-Author'. Only primitive types ('such as Int32, String, and Guid') are supported in this context."}"
based on this LinQ code:
[Code]....
How shall I solve this problem to get a class instance that contain with property title and Book-AuthorID?I also have tried making some dummy by using "allbooks" relation with Code Samples from the address
http://www.hookedonlinq.com/JoinOperator.ashx. Unfortunately, still same problem.
I also have taken account to Int32 due to entity framework http://msdn.microsoft.com/en-us/library/bb896317.aspx. Unfortunatley, still same problem.
Using database with 3 tables and one of them is a many to many relationship. This database is used in relation with entity framework
Book-Author
Book-Author (int)
BookID (int)[code]....
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Jun 23, 2010
The case is: I use a webservice that gives me information about companys. For example: I entered a companyname and the webservice give me a list of al company's in the country. The webservices return a one dimensional array. The problem is that I must search in two register so the webservices returns 2 array's. I put the data from both arrays into 2 datatables. The data in the 2 datatables can be different or the same.
The question is: How could I matching the data on ID and combine the data into 1 datatable.
The code:
//Create result
SearchResult Result1;
SearchResult resultZoekmogelijkheid2;
//send van Soap Request
[Code]....
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Jan 6, 2010
I have a table that contains a date column along with others. I need to extract two sets of data from this table for two different time periods. Call them Current and Previous, so that I can compare them line for line. There are exactly the same number of days in both time periods.
The problem is that I need to return the data like this:
CurrentDate, Count(CurrentItems), Sum(Amt), Count(PreviousItems), Sum(PrevAmt)
JOIN puts the data into the result vertically, so that doesn't work. So far, I have not found a method that will arrange the data correctly.
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May 14, 2010
This question is for wrapping up work on a database driven AJAX AutoComplete Control that I am using to provide keyword hints to user on search pages. Each record has 6 columns for keywords where each column is for an advertiser to add a keyword. These are used in meta keywords tags, but I also want to use them for AutoComplete. The problem is that I don't know how to write a SELECT statement in Visual Studio that treats all 6 keyword columns as if they were all one column. I am looking for something like
SELECT (keyword1 + keyword2 + keyword3) AS Keywords
FROM (Merchandise)
WHERE Keywords LIKE @term
The only other thing I can think of the gain this level of functionality would be to combine them into a new table.
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Apr 28, 2010
How to get data from two tables through linq .1 ) productsDetails 2) productsImages to bind further listview.
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Jun 29, 2010
Apologies if this is in the incorrect forum.. just a question about how to best structure some tables for a particular presentation of data. In the following table (2nd column) you'll see that each motorcycle product applies to a range of years. What is the best way to store this range of years in a relational db? At the moment I have a datefrom and a dateto field for the two ranges, but that may complicate things when I want to filter the table by a particular year. E.G. datefrom is 2006 & dateto is 2010 and I would like to filter by products for a 2008 model.
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Feb 17, 2010
I have a details view form inserting data into one table successfully with no problems and picking up the ID parameter from a session.
What i would like to do is one insert SOME of the fields NOT ALL get inserted into another table.
Table 1 = course
table 2 = matrixoneantwo
I tried creating a datasource which inserted data into Matrixoneanttwo and called it from the detailsview_inserting event (sqldatasource.insert() but then i realised that this data source is seperate to my current one and therefore cannot use its parameters.
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Jan 6, 2010
I need to synchronize data between 2 tables. i need to update records on table2 corresponding to table1. I also need to add new records in table2 by getting new records from table1.
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May 4, 2010
I have created a database along with the tables. The tables have the primary and foreign keys to create the relationship between them. However, I cannot now add the data to the table rows due to the key constraints. How do I now add the data to the tables without making up arbitrary data for the table ID's?
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Feb 25, 2010
Is there a way to combine the LINQ queries together and have access to both of the results independently?
[Code]....
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Apr 23, 2010
i have an insert statement, and what i would like to do iswhen the value of table1 is entered, that value enters into table 2, so for example, heres my insert statement
INSERT INTO Cards (Name, Desc, id) VALUES ( @Name, @Desc, @id) INSERT INTO CardTP (NameSet, Desc, id)
Now, what i would like to do is that, i will specify all those individual values myself, BUT, when it now comes to the "id" field, when an id is entered for the "Cards" table, the SAME id should also be entered in the id column of the "CardTP" table. how i could enter the value of one table, into another tables row (having the same value) as i want the Cards and CardsTP table to be related in the id fields.
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Aug 17, 2010
I have hard time trying to find the solution to retrieve data from multiple tables in one database.
table Kategorije has fields: idKategorija, naziv, opis table Clanak has fields: idClanak, idKategorija, naslov, autor,...
Kategorije.idKategorijais joined with Clanak.idKategorija, but that isn't the solution because I want my web site to show the Kategorije.naziv instead of Kategorije.idKategorija. This is the code I'm currently using to get idKategorije shown on my web site:
[Code]....
[Code]....
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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
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Apr 6, 2010
my application have two tables. TableA and TableB TableA have one record
ID StudentName Age
1 MARK 20
I use selectlist to select StudentName .
ViewData["StudentName"] = new SelectList(_db.StudentSet.ToList(), "StudentName", "StudentName");
and then add to TableB. for this case , for me is success, but I also want to add the"Age" into TableB on same time. I don't know how to do it.
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May 6, 2010
I have to write data to multiple (two) tables.
tbl1 has a column "ORDERID" with auto increment. I have to get this "ORDERID" whenever I write to tbl1 (Insert new record)
tbl2 has a coumn "ORDERID" as foreign key, I have to write "ORDERID" in tbl2 received from the tbl1.
How to do it using SQL ( I am not using StoredProcedure)
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Jun 18, 2010
I have a set of MS Access data (tables); is there a simple way to convert to SQL (.mdf) tables?
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Jan 29, 2010
I have 2 different datatables. 2 datatables from 2 different servers.
My first datatable is this:
SELECT DISTINCT a.name, a.create_date, a.Modify_Date, a.Object_Id
FROM dbname.sys.objects a
and my 2nd datatable is the same, but from a different server connection string
SELECT DISTINCT b.name, b.create_date, b.Modify_Date, b.Object_Id
FROM dbName.sys.objects b
Basically, I want to compare which procedures are on one server and not the other (dev and prod)
So after I have my 2 datatables i want to create a data relationship on the name and then do a left join to see whats in a and not b.
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Mar 16, 2010
I am writting a directory website that advertises fitness classes. These classes are listed by Class Type, and Geographical Area. Each Class Type can satisfy one or more of four Fitness Goals such as Loose Weight etc...
I have a table for Classes (classid, classname, classdesc, classtypeid, geoareaid) I have a table for geographic areas (geoareaid, geoarea) And I have a table for ClassTypes (classtypeid, classtypename, classtypedesc)
Which obviously links geographic area via the classes.geoareaid as a forgien key and classtypes by classes.classtypeid as a forgien key.
I can list all classes by type and also by geo area no problem, the problem arrises when I then also want to filter by goal.
The Goals Table (goalid, goal, goaldesc) is linked to the classtypes table via another table classtypes_goals (classtypeid, goalid) as each classtype can satisfy any of the 4 goals.
I am using a DataSet to fetch the data from a Stored Procedure in the SQL Database but because the classtypes can be linked to multiple goals I am getting duplication in my list depending on how many goals a classtype satisfies.
All I need in my data list is class name, class type and area I don't even need to display the goal I just want a drop down above the table that will filter the list and show only classes of classtype that satisfy the goal chosen.
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Apr 22, 2010
I'm looking for ideas on deleting data from the multiple SQL tables with LINQ (C#).
My existing solution does the following:
1. DeleteAllOnSubmit( Subset of the data from the child table)
2. DeleteAllOnSubmit( Subset of the data from another child table)
3. DeleteAllOnSubmit( Data from the parent table)
4. CommitChanges()
All this resides within a single method, which makes it ugly and not re-usable.
I have considered the following alternatives, but I decided not to use them:
1. Cascade delete on the tables.
2. Do a join on all tables from which I will remove the data, but I'm not sure yet whether I could pass a join query to DeleteAllOnSubmit().
3. Write stored procedure(s) to delete data from each table. I don't have the time to implement this due to a large number of tables and the time constraints.
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Jan 26, 2010
I'm using the following query as an SqlCommand:
[Code]....
It obviously doesn't work...what can I do? I cannot use the "Merge" method, because I am working with several tables in a single SELECT statment.
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May 25, 2010
I need to retirve data from two tables...when i click a value in dropdown list, i need to retrieve values from two tables based on that id( which i have selected in dropdown)..so when i have written query ( "Select assign_issue.issue_assigned_to, assign_issue.created_on,assign_issue.last_Date,
issue_register.issue_desc,issue_register.issue_Priority from assign_issue INNER JOIN Issue_register ON assign_Issue.Issue_ID = issue_register.Issue_ID where issue_register = '" + ddlissueid.selecteditem.text + "'")..query is executing ..when it comes to dr = cmd.executereader()..Dr is unable to read..it is showing false when i trace..unable to read into while loop.
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Jan 22, 2010
I'm using below stored procedure to reterive data and i'm displaying it in datalist... Now i want to reterive data from two tables by using this stored procedure...collegedetails is my table name... I want data from coursedetails also.
CREATE PROCEDURE [dbo].[SearchInstitute]
@startRowIndex int,
@Category varchar(500),
@inst_name varchar(500),
@course_name varchar(500),
@city varchar(500),
@pageSize int,
@totalCount int output
AS
BEGIN
SET NOCOUNT ON;
SET @totalCount = 0
SET @startRowIndex = @startRowIndex + 1
BEGIN
SELECT * FROM
( SELECT distinct *, ROW_NUMBER() OVER (ORDER BY ArticleList.clgid DESC) as RowNum
FROM (
Select distinct collegedetails.*
FROM collegedetails
WHERE category like '%' +@Category+ '%' OR inst_name like '%' +@inst_name+ '%' Or city like '%' +@city+ '%'
) as ArticleList
) as ArticleList1
WHERE RowNum BETWEEN @startRowIndex AND (@startRowIndex + @pageSize) - 1
ORDER BY clgId DESC
SELECT distinct @totalCount = Count(clgId) FROM collegedetails WHERE category like '%' +@Category+ '%' OR inst_name like '%' +@inst_name+ '%' Or city like '%' +@city+ '%'
END
END
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