Update/Select Query At The Same Time?
Mar 21, 2011
I have this query which I want to submit after the user click a button.
Update tbl_books Set Bk_Rent = Bk_Rent - 1 Bk_Avl = Bk_Avl + 1 Where Bk_Id = ( Select * from tbl_transactions where Trans_Id = @a )
The problem is as far as I know, Update and Select queries have different formats. Update statements will use the ExecuteNonQuery()while Select needs a dataset. My problem is how can I execute these two statements at the same time. I tried this code but it didn't work out.
Dim command4 As New OleDb.OleDbCommand
Dim adapter4 As New OleDb.OleDbDataAdapter
Dim dataset As New DataSet
[Code].....
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Feb 21, 2011
On an SQL query I have. I have the select query working fine but according to the result I need to set the column of a table to 0. I have the following Select query:
CODE:
So where the CommissionCalculator SetUp > 0 I want it to Update the CommissionStructure SetUp column to 0. I was thinking I might need an IF statement but I dont know how to work with them in SQL.
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May 29, 2009
I have this situation where I have a SqlDatasource control and the select query is like:
SELECT col1, col2 FROM table1 WHERE colDate = @date
The source of @date is a label with the text: 2009-05-29 12:06:00 I get the following error when I run the query:
Conversion failed when converting date and/or time from character string
I tried using convert(datetime, @date), as well as different date/time formatting of the label itself. Everytime I get the error.
However, when I run the query in the management studio like:
SELECT col1, col2 FROM table1 WHERE colDate = '2009-05-29 12:06:00'
I found out that the @date is parsed as 05-29-2009 01:30:00 TT I don't know where the TT is coming from? And I'm sure SQL Server wouldn't be able to handle it?
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Nov 25, 2009
how can i return the number of records processed from an sql procedure whether it is a select or update/insert query and how can i receive it in the calling method in vb .net.
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Jul 23, 2011
I want to select to multiple sql tables using select query in vb.net..I have 2columns in sql table..I have tried this query.. But i'm getting error.
TextBox11.Text = Val(27)
cmd = New SqlCommand("SELECT outside,power FROM vijay21 INNER JOIN vijay22 ON vijay21.outside=vijay22.outside WHERE outside BETWEEN " & Val(TextBox11.Text) & " AND " &
[code].....
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Dec 2, 2010
How to use this query to update record [code]....
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May 27, 2010
[code]The query executes fine but the problem is that when this query executes, it doesn't update the percentage field. What might be the problem?
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Jun 22, 2010
The idea with this form is to add the futures which is calculated when the button is pushed but I need the list to update every time and show the values each time to which the previous value is added to the new calculation, e.g. of what it should look like in listbox:
Year 1: $1,290.93
Year 2: $2,724.32
Year 3: $4,350.76
etc....
I have been working on this a while and I am at a standstill, I was given a function to clear the form everytime it calculates but I don't know how to implement it, I am new to VB. Here is what I have so far:
Public Class frmFutureValue
Private Sub btnCalculate_Click(ByVal sender As System.Object, _
ByVal e As System.EventArgs) Handles btnCalculate.Click
[code]....
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Jan 27, 2010
We know:"UPDATE tt SET Points=" & iPoints & " WHERE Ref='" & sRef & "'"Can we update several records using UPDATE command at one time?
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Jun 4, 2009
I'm using the following update method.. I'd like to be able to update the value of a checkbox into the existing query if possible. how to do this the correct way?
Public Shared Function SaveMemo() As String
Dim sConnectionString As String = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:Documents and Settingsdiw07My DocumentsDaily Backupsphone memo backend.mdb"
[Code]....
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Nov 29, 2010
I want to know how to Update / delete the table records in ASPNETDB.MDF in single update / delete query ?
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Jul 1, 2010
I have a program that allows a user to select a program to run at a certain time for a specific amount of time all choosen by the user. Everything works with the exception of if my program has launched the other program, my program become non-responsive. Meaning I am not able to look at that window again. Not that one really needs too, because when time is up my program closes the program it opened, then closes itself. I just want to be able to see my program when the other program is running. how to do this and perhaps drop me some links, that would be wonderful. This is what I have coded, but like I stated there are no code errors.
[Code]...
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Jul 16, 2010
I'm trying to get a simple count of rows meeting some criteria. The value returned does not coincide with the correct number of rows when running the same query in Management Studio (SQL 2005)
vb.net
Public Function RowsAffectedCount() As Integer
Dim result As Integer = 0
[code]....
'result' always returns 1, but I have 3 records meeting that criteria in the database. Been staring at the code for a couple hours now and can't figure it out... I just need to know if the Count of rows returned from a SELECT statement is greater than 1 (at least two records).
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Mar 16, 2009
I have an ado.net statement I want to convert to use NHibernate:
Dim sql As New StringBuilder()
sql.AppendLine("SELECT r.RoleId, r.RoleName ")
sql.AppendLine("FROM dbo.aspnet_Roles r ")
[code]...
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Nov 20, 2011
I have pulled information from a database into a datatable (dtCustomerInfo) then I expanded on the columns by processing the data and I can display this in a datagridview without any problem. However, the data is in detail and I want to ultimately summarize by customer name.The code below has a commented sql statement that is the statement I ultimately want but it is not working. However, the idea is that I want to Select from one datatable into another but run aggregate sum on several columns so that I will get one record per customer showing totals for each column.So I broke it down to just pull all data possible into the second table.[code]I do know the grouping in the current select * statement does nothing but my issue is more that the columns do not show up.
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Jan 19, 2009
I'm tying myself in knots with AND OR NOT qualifyers to return all rows having two different items. From a column headed 'Instrument' I want to retun 'CELLO' and 'VIOLIN' Where am I going wrong with the following?
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Sep 18, 2009
class:
Public Sub insetTotalPaidAmt(ByVal dtSDate As Date)
Dim comm As OleDbCommand
Try
strQry = "INSERT INTO rpt_Paid_Amt(ST_ID,ST_PAY_AMT,ST_DIS_AMT) " & _
"SELECT S.ST_ID,SUM(P.PAY_AMOUNT),SUM(P.PAY_DIS) " & _
[Code]...
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Mar 14, 2012
how to select multiple table in vb2010? i trying to create a login so i need to retrieve the data in 3 different tables in one database i have a code but not work.[code]
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Jun 21, 2010
Linq to SQL query to Select the maximum "MeanWindSpeed" value? The database name is "WeatherArchives" The TableName is "TblValues" The Column is "MeanWindSpeed" And Also, I would like to have a query to get me the Max "MeanWindSpeed" in each year,
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Feb 6, 2010
i have a project which is room scheduling. i'm having a problem on how to make my query to be able to select the available rooms for the givin time start and time end.
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Mar 30, 2010
I am trying to link to a Access database at runtime using a SELECT FROM WHERE query, which I can do but.......
with the WHERE part I want to select several conditions, 4 actually and it is not working, what am I doing wrong?
Here is my code,
Dim con As OleDbConnection = New OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=V:GYMDBFLineProdSanderProduction.mdb")
[Code]....
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Jun 7, 2011
Public Shared Function getrealrequests(ByVal itemname1 As String) As ArrayList
Dim sqlStr As String = "data source=localhost;initial catalog=Customers;integrated security = true"
Dim dbRecords As ArrayList = New ArrayList
Dim dbConn As SqlConnection = New SqlConnection(sqlStr)
[Code] .....
I'm trying to pass the value of 'itemname1' to the select query. What's the correct syntax to get it to work?
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Jan 4, 2012
I've a collection with the data like this.[code]...
how can select the distinct data using linq?
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Nov 2, 2009
Dim MyQuery = From c In xdoc.Descendants() _
Where c.Attribute(OriginY) IsNot Nothing _
Order By Val(c.Attribute(OriginY).Value), Val(c.Attribute(OriginX).Value) _
Select c.Attribute(UniStr)
Right above you can see my First! linq attempt! And here comes my first question.
How can i select more than one column in a linq query in vb.net?
For example... Select c.Attribute(UniStr) AND c.Attribute(OriginY)
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May 3, 2010
there are three tables in dbf , table1,2,3 respectively all are contains similar structure but different data Structure : S.no Quiz Question i want the query which select the Quiz Question/records through user given Range from Textbox1.text to Textbox2.text
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Mar 30, 2009
The data type for my DATE column in SQL is smalldatetime. I want to perform a query which selects records based on the the selected date of a calendar object.
A user clicks on the date and the date is stored in ddlfilter2 DDLfilter2.Items.Add(CalendarMain.SelectedDate)
mystring = "SELECT * FROM view_main where date" & "='" & DDLFilter2.Text & "'"
produces this "select * from view_main where date='24/03/2009'
I then get an error saying "The conversion of char data type to smalldatetime data type resulted in an out-of-range smalldatetime value."
In the SQL database the data is displayed as "24/03/2009 00:00:00" is this why the query is failing?
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Jun 11, 2011
I am using VS 2010, SQL 2008 express and doing windows applicaion programming in vb.net.I want to write a select query(or Stored Procedure) such that the conditions mentioned under WHERE clause can be variable .like :Select * from TABLE where F1 = var1 and F2 = var2 and F3 = var3.Now on the basis of some conditons the equations in where clause should beused.Say condition is variable value >6.Now in this case ,if
var1 =7 var2 =3 var3 = 8 then the query shud behave like
:
select * from TABLE where F1 = var1 and F3 = var3
[code].....
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Sep 6, 2009
I have a table with these columns:
IDsales, salesDate, salesmanID, itemDesc
I need an SQL querry to select all the sales from a certain date, with the summed sales grouped by salesmanID. The problem with the querry is that the data in the salesDate field is in a long format (with dd/mm/yyyy hh:mm:sss) and I dont know how to set the querry to disregard the "time" info, and take in account the "date" part only.
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Sep 15, 2009
My following code is only retrives number month(1,2,3,4....12)and not month name(January,February,.....December).Before that i had try using function datepart, Monthname and date_format but i still din get my answer.[code...]
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Mar 11, 2010
I have a sqlite database and want to update the sort column in my table.
e.g.
Col1 - Col2
C - 4
A - 3
B - 5
I want to sort on col1 then update Col2 with new values i.e. 1-3 Don't know if it's possible but doing it in code by looping and doing individual writes is a little slow.
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