Use SQL To Search Multiple Tables And Columns?
Aug 23, 2009
Im making a search function for an application and they need to be able to search by any value in the DB in any of the three tables. Im wondering the best way to go about this. 2 of the 3 tables have the same columns while the last one is totally different. Below is what I kinda "thought" itd look like but no.
"SELECT * FROM cases, opencases, staff WHERE Crime ='" & txtsearch.Text.ToString & "'"
I need to query the results the user can search for anyterm and if it matches something in the columns it return it to the user. Im wondering if the best way to go about this is to maybe query all the tables and then put all the matching records in a seperate table and the dgv look at that table or how to exactly go about it.
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Aug 23, 2009
Im making a search function for an application and they need to be able to search by any value in the DB in any of the three tables. Im wondering the best wayto about this. 2 of the 3 tables have the same columns while the last one is totally different. Below is what I kinda "thought" itd look like but no.
"SELECT * FROM cases, opencases, staff WHERE Crime ='" & txtsearch.Text.ToString & "'"
I need to query the results the user can search for anyterm and if it matches something in the columns it return it to the user. Im wondering if the best way to go about this is to maybe query all the tables and then put all the matching records in a seperate table and the dgv look at that table or how to exactly go about it.
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Sep 18, 2009
I have a small project i am doing for work to compare our website catalogue to our actual inventory in our financial software. To do this, i have exported the online catalogue as a delimited text file using "^" as the delimiter. I then want to go into our Accpac data a find out if all the items are still active, the current price and the stock on hand.
[Code]...
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Jun 10, 2009
I have 3 related tables in a DataSet - Customers, Products and Orders.I am trying to create an "editable" DataGridView which, ideally, will contain columns from all the tables. I have tried creating the joins in the TableAdapter SQL, but this results in a read-only data grid.
Customers and Orders are joined in a 1:M relationship by CUSTID.
Products and Orders are joined in a 1:M relationship by PRDID.
When the user adds a new Order record they will key the ORDERID, CUSTID, PRDID and QTY.I would like the DataGridView to display the related CUSNAM and PRDDES as soon as the user has keyed the Order record.The data must be displayed on a single data grid row. I am not interested in drill down or multiple data grids.My data looks like this:
Orders: ORDERID, CUSTID, PRDID, QTY
Products: PRDID, PRDDES
Customers: CUSTID, CUSNAM
The data grid should look like this:
ORDERID, CUSTID, CUSDES, PRDID, PRDDES, QTY
My SQL would look like this:
SELECT Orders.ORDERID, Orders.CUSTID, Customers.CUSNAME, Orders.PRDID, Products.PRDDES, Orders.QTY
FROM (ORDERS
INNER JOIN CUSTOMERS ON Orders.CUSTID = Customers.CUSTID)
INNER JOIN PRODUCTS ON Orders.PRDID = Products.PRDID;
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Jan 8, 2010
<vb.net 2008>
Table : MST_COMPANY / EMP_MASTER
Column : COMPANY_ID / LOCATION_ID
How do I add relations for two colums between two tables? I tried below way but it does not work.
Is there any other way?
Dim relCompanyEmp1 As DataRelation = ds.Relations.Add("relSectionEmp", ds.Tables("MST_COMPANY").Columns("COMPANY_ID"), ds.Tables("EMP_MASTER").Columns("COMPANY_ID"))
Dim relCompanyEmp2 As DataRelation = ds.Relations.Add("relSectionEmp", ds.Tables("MST_COMPANY").Columns("LOCATION_ID"), ds.Tables("EMP_MASTER").Columns("LOCATION_ID"))
[Code]...
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Aug 19, 2010
I have three tables Student, TimeSheet and TimeRecord.
Talbe columns:
Student : StudentId, FirstName,
LastName
TimeSheet: TimeSheetId,StudentId, IsActive
[Code].....
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May 11, 2011
I have multiple tables that I need to pull and display data from. I have created a new query in the TableAdapter of one table to pull data from related tables based on a parameter. In the Query Designer I can run my query and see all of the columns requested in my SELECT statement, however when I bind this table to a DataGridView and call the new query, it only returns the original columns from Table1.How do I see all of the columns I selected in my query?
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Dec 28, 2009
I have a MS access database connected to a VB2008 developed software.
I want to make a search button to search through all the tables in the database.
how can I do this?
I want to link a field in table one to a field in table 2 in the database so that they are the same ( whenever I change what is in table 1 table 2 changes to the same automaticaly )
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Jul 12, 2011
have a datagridview containing 2 tables left joined, so that:table1 LEFT JOIN table 2 ON table1.id=table2.idI get an error whenever I try to edit my datagridview."invalidOperationException was unhandled by the user codeDynamic SQL generation is not supported against multiple base tables."The error points to this line:
da.FillSchema(dt, SchemaType.Mapped)
da.Update(dt) << This line
'da = dataadapter
[code].....
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Oct 8, 2010
good afternoon people, i got a problem here on my program, i need to query from a different tables in database but it gives me error, here is my code
[Code]...
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Dec 16, 2009
I am working in vb express 2008.I want to combine two tables to show all the columns of two tables in one table. I tried following query:
"Select de.Description, SUM(de.Quantity) AS Quantity, SUM(de.Amount) AS Amount " & _
"FROM DailyExpenses de " & _
"WHERE de.EDate Between @START and @END " & _
[code]....
And i want to combine two tables to display the following result into a Listview through a SQL query:
Description Quantity AmountDescription Quantity Amount
Mineral Water 12 26 Coca Cola 2 25
Rice 3 215 Sprite 3 15
Beaf 4 150 Beaf 4 50
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Sep 12, 2011
I have a vb.net web application and when a particular function runs , i get data timeouts in the rest of the application..(ie..row not found errors or column does not belong to table but it does) The function is adding multiple rows in multiple tables in the database and is running in a for loop. It seems to be all SQL related but I am not seeing anything in the error logs in SQL or in the application Right now I am assuming it is memory related where to start note..the for loop will be replaced with a bulk insert but right now I jest need to resolve the issue of the timeouts
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Mar 29, 2011
I have two databases. One is an SQL database and the other is an Access database.
In the Access database, I have a table with three columns EMPID, FIRSTNAME and LASTNAME.
I load this in my VB program to a table called "EMPID_Table"
In the SQL database, there is a table that has a lot of data that I need to retrieve based on the Employee#, which is the same as the EMPID from the Access database. In my VB program this is loaded into a table called "WagesTable"
How can I merge these tables, or add the columns FIRSTNAME and LASTNAME to the WagesTable
to the correct Employee# in my VB program? I cannot change the SQL database at all, I can only read from it.
Access Query:
Dim EMPID_Query As String = _
"SELECT *" & "FROM [EMPID_Table]"
'This returns EMPID, FIRSTNAME and LASTNAME
'I fill this to a table called "EMPID_Table"
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Sep 10, 2011
I am having 3 tables in my DB Challans, Challan_Details & Customers. They are as follows
Table Challans:
Customer_ID (Related with Customer_ID in Customers Table) Challan_ID (Key) Challan_VchNo (Voucher No.) Challan_Date Invoice_ID
Table Challan_Details
[Code]....
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May 31, 2012
I'm trying to verify if data exists in two different tables in a single transaction. The reason for the single transaction is the database gets hit about 1-3 million times a day so adding anymore than 1 extra transaction would increase that number up to 9 million, and my poor little server needs a break :)
So I need to check if an ID exists in table X and table Y and return the results to my VB.net script so I can handle the outcome Ideally something like this would work
if exists (select id from X where id = @id)
print 'True,' else print 'False,'
if exists (select id from Y where id = @id)
print 'True' else print 'False'
Which gives me "True, True" if exists in both or "True, False" etc etc... But that only displays in SQL print and not actually returning it as an object/string or array values that I can use.
I'm open to any sort of solution of this nature that can give me two results from a single transaction and how to handle that response in vb.
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Jan 26, 2011
I need to get a table on my Form that has different columns from differen tables.As I call many tables by their Identity ID, I also need a way to show the information from that table.I created a query in my TableAdapter which selects information from 2 different tables. Tested it in the query builder and all was OK.I tried to put an empty DataGridView onto my Form and inserted the correct BindingSource for my Data Source.I then added a query and selected the query I created in my TableAdapter.
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Apr 17, 2011
How to JOIN tables on nullable columns? I have following LINQ-query, RMA.fiCharge can be NULL:
Dim query = From charge In Services.dsERP.ERP_Charge _
Join rma In Services.dsRMA.RMA _
On charge.idCharge Equals rma.fiCharge _
Where rma.IMEI = imei
Select charge.idCharge
I get a "Conversion from type 'DBNull' to type 'Integer' is not valid" in query.ToArray():
Dim filter = _
String.Format(Services.dsERP.ERP_Charge.idChargeColumn.ColumnName & " IN({0})", String.Join(",", query.ToArray))
So I could append a WHERE RMA.fiCharge IS NOT NULL in the query. But how to do that in LINQ or is there another option?
The problem was that the DataSet does not support Nullable-Types but generates an InvalidCastException if you query any NULL-Values on an integer-column. The modified LINQ-query from dahlbyk works with little modification. The DataSet generates a boolean-property for every column with AllowDbNull=True, in this case IsfiChargeNull.
Dim query = From charge In Services.dsERP.ERP_Charge _
Join rma In (From rma In Services.dsRMA.RMA _
Where Not rma.IsfiChargeNull
Select rma)
On charge.idCharge Equals rma.fiCharge _
Where rma.IMEI = imei
Select charge.idCharge
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May 8, 2012
changing the way the site search is done from just search a phrase as one string to searching a phrase "as multiple words" search. For example, if I search "cute puppy" right now, it will search it for "cute puppy" as phrase and won't match just "cute" and "puppy". The way the search is implemented is by passing a search phrase to a Stored Procedure in SQL Server.So now, I need to change to site search so when "cute puppy" is searched, it will search two words.... "cute" and "puppy" instead of just "cute puppy". Below is how the store procedure is implemented
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
[code].....
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Dec 15, 2009
I am trying to search the 4 columns of my array by using this click event. The column is determined by a radio button as you can see. I changed my code from last time and now it works, but only for the first column. If i try to search out a string in the second or third columns I get an error based on the line highlighted in blue HTML accutally shows and it is green. the error says Index was outside bounds of array
Like i said It works fine for all values in the first column, accually the second (Numbered 1). If i enter a value in the partsnumBox and it is found in the the 2nd 3rd and 4th columns I want the value in the first column (0) of the same row.
Private Sub FindButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles FindButton.Click
'Define Array
Dim PartsArray(,) As String = {{"PR214", "MR43T", "RBL8", "14K22"}, {"PR223", "R43", "RJ6", "14K24"},
[CODE]...
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Sep 10, 2009
I'm getting this error 'column' argument cannot be null. Parameter name: column at the bold character instruction. Also I would like to know how to relate two tables with two key columns in each table
Dim connection As New OleDb.OleDbConnection(strTextoConn)
Dim EnPartesdataSet As DataSet = New DataSet("Enpartes")
Dim strsql As String
[Code].....
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Aug 6, 2009
I have a class that add extra information about a column for linq2sql (see code below) right now, I have to explicitly tell what column I want that info on, how would you put that code with a loop on every column in every table from a dbml file? I was doing my test on a very very small DB, now I have to implement it on a much more bigger database and I really don't want to do it manually for every tables/columns it will take hours.
how it's being used:
Partial Class Contact ''contact is a table inside a dbml file.
Private _ContactIDColumn As ExtraColumnInfo
Private _ContactNameColumn As ExtraColumnInfo
Private _ContactEmailColumn As ExtraColumnInfo
[Code]....
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Apr 15, 2011
I am trying to make a simple search method using sql to linq in visual studio. In my database, i have the fields "Firstname" and "Lastname", and my search string is "name". How can i make a simple linq query which searches both fields?
in plain SQL i would do something like this: "SELECT (Firstname + Lastname) as 'Fullname' FROM table WHERE Fullname LIKE '%searchstring%'
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Apr 17, 2011
I have a form with 5 fields(inputs). When I entered data in the form and click submit, the data is entered into an Access 2007 Database(Table). All the set up (connection) is working because the data table is getting populated with the user info. However, I also need to search the database by entering a name in the name text box and clicking a button.
This is suppose to populated all the fields with information from the data base if the user exist. The search part is not working. I have no more hair to pull. :) Here is the code:
[Code]...
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Oct 2, 2009
i wanted to add data from a single form in vb to two tables in access but an error appears saying that the field customer_ID down to Contact_Number doesnt belong to the table record, though it really doesnt belong to that table.. but i already indicated the table for the customer_ID down to Contact_Number, which is Customer, in my sql statement...
Public Class Refill
Dim connect As New OleDb.OleDbConnection
Dim sql As String
[Code].....
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May 6, 2009
I have a table for users (username, password .. etc) and another one for products (product name, price, quantity, username .. etc)
I want the username from the first table to be inserted (with the rest of the product info) into the product table when the user put it for sale.
How can I do this?
I'm using visual web developer 2008 express
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Jul 17, 2010
I have 3 tables: Customer, OrderHeader and OrderDetail. Customer and OrderHeader joined by CustomerId, OrderHeader and OrderDetail joined by OrderId.how to create an xml file that combines these 3 tables together having the following structure using ADO.net?
[Code]...
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Mar 26, 2009
how to create a local database, create some tables and set relations between those tables (just like in access) and I can show, add, edit and delete that data from a form.
but what I have yet to figure out is if I have 2 tables (i.e: tbleName, tblFood) and I want to have multiple tblFood items show for every 1 tblName item.
I've found that if I add a txtbox of the name table and a datagrid of the food table, the datagrid view shows all the food records, not just the ones for the name txtbox.
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Oct 7, 2009
I have an ODBC connection to a database, I have 2 tables items, prices. both tables are related via a sequence field. I need a way to load the 2 tables into a datagrid, update fields and then save the changes.items-- itm_seq-- nameprices-- price_seq-- itm_seq-- price_1-- price_2Datagrid needs to show the data as suchname / price_1 / price_2Site updates some cells of the data, hits update.
The records are then written back to the 2 tables accordingly based on the sequence number.. I tried a view that extracts the data and then allows updating, but the datatableadapter will not allow an update statement to be processed against a view.
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Nov 20, 2009
I have a database with numerous tables all containing the same field. the field needs to have the same value in all of the tables, but currentlydoesn't.Is there a way to use Visual basic codehat goes to each table and updates the field in all of the tables without having to manually go to each table and update the field?
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Aug 19, 2011
I would like to have a datagridview sourced from multiple db tables.I understand that the datagridview relies on the creation of a datatable and its relations to the separate db tables I want to view.
I have been mucking about with the Designer but dont seem to be getting anywhere, ie. no results from the relations i've built seem to populate the datatable.
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