Get Data From The Event Table And Use The SQL Query Statement?
Aug 31, 2011
I have three tables set up in a MySQL database called "event", "status" and "user". (as shown below:
EVENT TABLE (below)
STATUS TABLE (below)
USER TABLE (below)
and when I get data from the event table I use the SQL query statement below to bind the persons first and last names together as one variable called "name" and then bind that name to the respective user_id; and so on. However when I make changes to the event table it doesn't show the changes I've made. I'm certain it has something to do with the way I'm retrieving the data.
SELECT CONCAT(u.lastname, ', ', u.firstname) AS Name
, s.message AS Message
, DATE_FORMAT(e.timestamp,'%b %d %Y - %r') AS DateTime[code].....
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Feb 13, 2012
It seems like the query builder in vb only allow 1 table to use the INSERT statement, so are there any way add more than 1?
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May 1, 2012
[Code]...
how can get the name of the table that = to the name of the combobox1 when i select it.
[Code]...
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Jul 8, 2009
I want to make a report with a query "Select * from StudMaster where StudID IN ('S0001','S0002','S0003')"For this I created a parameterised command object in data environment and set the query as:Select * from StudMaster where StudID IN ( ? )
Then I called in vb code as:Dataenvironment1.command1 ("'S0001','S0002','S0003'")
Is there anything wrong in it? It is not working..Plz help me out, how can I make it run.
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Nov 26, 2010
I am trying to create a LINQ query statement that retrieve intersecting data from 3 datatables (dt, dt1, dt2). My first attempt to do so with the following LINQ query statement was successful: [code] However in my design, I would need the LINQ query statement to be dynamically generated, because I want a user to be able to retrieve intersecting data entries from VARIABLE number of datatables. In this case, the first option is not as good as the "INTERSECT" query operator, with which I can just easily connect each SQL query statement with a "INTERSECT" operator. The problem is that my second attempt using the "intersect" operator fails, and after many trials and errors I still can't get it to work. [code]
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May 7, 2009
I am trying to input specific information on a form.I have created an sql statement from a table that will out put 18 rows of data.I have opened a recordset and instituted a do until loop.I need for the program to look at each row and if the Standard Score = the value of a field I have on the form it takes the value of the other three columns in updates it on the form.I have created the code and it works for upto 3 (Do Until loops)records, but when I try to add a 4th in the SQL statement and put in another do loop my computer runs it but it acts as if it freezes up. [code]
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Aug 16, 2010
I want to execute an SQL statement and put the result in to a data table.
Sub getvehicletypes()
Dim dt As New DataTable
Dim intLine As Integer = 0
[Code].....
Once Ive got it in a dataset I need to work out how to search the dataset for a code and return the corresponding description and vice versa
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Apr 12, 2010
I have a database application with several data tables. How can I use a for each statement to add the records of the datatable into a collection?
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Apr 27, 2012
Attempting to run an SQL statement to UPDATE a column in a table with new data. The column being updated is defined as varchar(40) and the new data is 41 bytes (varchar(41)). I get a generic 'data will be truncated' error message, but no detail on which column caused the problem. I've attached a sample VB program to illustrate the issue. In this scenario, Company is defined as varchar(40).
My question: Can I get a more detailed error message? i.e. can I get an error message that tells me the row and column that the truncation occurs in? Often times, I may be updating hundreds or thousands of rows and only one value in one column from the source file is too large for a database cell. As a related question, does each OLEDB provider create its own error messages. i.e. will the MS SQL Server OLEDB provider potentially give different text in the error message than say the MS Jet OLEDB provider?
Imports System.Data.OleDb
Module Module1
Dim cn As OleDbConnection
[Code]......
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Jun 10, 2011
I really need your help. I want to query in a table in MS SQL using a data in another table.This is the query I've constructed : "SELECT TABLE1.FIELD1,TABLE1.FIELD2 FROM TABLE1, TABLE2.[code]
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May 4, 2011
I have a IF statement which is checking each row in the data table (for a match) and ELSE statement with commands which are executed if the If statement is not satisfied. Now I would like to write like so that it goes to the Else part BUT ONLY for values which are not satisfied in the IF statement. If I am more specific; I would like to calculate values if a match is found and just print them if it is not fond (usually there are both cases). Now the problem is the bold text; if there is a match found I don't want it processed BUT if the match is found I do. How can I write that?
currencyPosition = 0
Dim d As Integer = w + 100
For Each currency In Ary
[CODE]..........................
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Jul 28, 2011
I am working on a front-end application program and cannot figure out what is giving me this error. The program is accessing an Access Database and filling a text box on the form. The error i keep receiving is "Index out of range", "No row at position 0". I have information in the data table, and when I type the select statement into a query in Access, it returns the information in the data table.[code]...
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Mar 21, 2009
I'm trying to run an INSERT statement to pass data from a datagrid to a table I have on my database. The problem I have is that the table has 6 columns and the datagrid has only 3. So I only want to pass those 3 columns but I get the error that the other 3 columns does not accept null values. I need to change the columns to accept null values. The other problem it is that I can't pass more than 9 records, if I have more than 9 record on the DataGrid it says "object not set as an instance of a reference" and it only add 9 records if I have more than 9.
Dim RowCount As Integer = datagrid1.Rows.Count - 1
Dim ColumnCount As Integer = datagrid1.Columns.Count - 1
Dim RowIndex, ColumnIndex As Integer
Dim myconecction As String
myconecction = My.Settings.DataSource
[Code] .....
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Jun 11, 2010
I have a query called qryimportpatients which has fields name, region, DOB and have a table called tblprojectpatients which has the same fields in sql database. On my VB.Net form I have button (Copy Data), which when I click I want to copy all the data from qryimportpatients to tblprojectpatients.
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Jun 11, 2010
I have a query called qryimportpatients which has fields name, region, DOB and have a table called tblprojectpatients which has the same fields in sql database. On my VB.Net form I have button (Copy Data), which when I click I want to copy all the data from qryimportpatients to tblprojectpatients.
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Jun 10, 2010
I am working with Vb.Net 2005 and sql server database.
I have a query in sql database (qryImportpatients) - it has 4 fields: prac_no, prac_eid, pat_name, pat_yr.
I have a table in sql database (tblProjectpatients) - it has 5 fields: Project_ID, prac_no, prac_eid, pat_name, pat_yr.
Now on my form in VB.Net - I have a textbox (txtProjectID) which has a numeric value. I want to have a function which when called will insert all the datafrom the 4 fields from qryImportpatients to tblProjectpatients and also insert the numeric value (ProjectID) besides each record.
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Jun 7, 2010
I'm using the Details View control of VWD asp.net 2008
I have a users database table. One of the columns contain the "uniqueidentifier" user's profile ID, created by VWD (from the automatic profiles table).
From my table, I would like to select only the data pertaining to the logged in user.
How do I get the current unique user profileID in general and then how do I use that for my query?
In the configure data source option of the control, I select the check box for "Return Only Unique IDs" and the WHERE option. In this new window I select the Column to the profile userID ... "=" and then assumed I should select Source: "Profile".
Now what should the parameter properties or value be to select only the current logged userID?
OR how can I do this just in C#? There doesn't seem to be any code behind after instering a DB with the VWD controls?
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Oct 18, 2010
I have a the following setup
m_handsets = From p In RL.App.TComEntities.tblTelephoneNumbers _
Where p.companyId = m_CompanyID _
Select p
m_handsets = DirectCast(m_handsets, ObjectQuery(Of RL.TelephoneNumbers)).Include("tblCalls")
where m_handsets is defined as Private m_handsets As IQueryable(Of RL.tblTelephoneNumbers)
which works as expected however what I want to do know is query the Navigation property (tblCalls) so I can do something like the following From p In m_handsets.tblCalls Where m_handsets.tblCalls.price > 100
I think the complexity comes here because in this instance I could have 5 tblTelephoneNumbers in m_handsets and then x amount of calls for that particular telephone number. I am interested in the tblCalls for each but I would like to filter them all for each tblTelehoneNumber.
Entity Diagram which (hopefully) should illustrate further So I currently know all the handsets that are associated with the company I am interested in. I can also see the calls loaded as a navigation property in debug mode, but I want to say is take this filter (in this example price>100 and apply it to all handsets->calls
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Oct 14, 2009
See
Public Class Form1
Dim sql As String
Dim conn As New OleDb.OleDbConnection
Dim da As New OleDb.OleDbDataAdapter
[CODE]...
The problem, The INSERT statement works fine in the form load but not in the button click event?
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Jan 5, 2011
I am using this code to insert into a single table.How to use the code to insert the textbox text to multiple tables of same column on single button click event in VB.net?
Imports System.Data.SqlClient
Protected Sub ImageButton1_Click(ByVal sender As Object, ByVal e As System.Web.UI.ImageClickEventArgs) Handles ImageButton1.Click
Dim con As New SqlConnection
[code]....
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Aug 27, 2010
The database:
"ID (Primary key)" | "Title"
0 | "title1"
[code].....
OK, before adding values to database, we should check if a row exists with this values :)TO do this, creating a Stored Procedure is a best way to deal with the database fastly.So... The problem now is, at the runtime, Miss OleDB throw this error:Microsoft Jet database engine cannot find the input table or query 'IF
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May 29, 2009
i should say hi experts :D . Help me with this pretty code :)
The database:
"ID (Primary key)" | "Title"
0 | "title1"
[code].....
OK, before adding values to database, we should check if a row exists with this values :)TO do this, creating a Stored Procedure is a best way to deal with the database fastly.So... The problem now is, at the runtime, Miss OleDB throw this error:Microsoft Jet database engine cannot find the input table or query 'IF
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Feb 23, 2011
I have a query that I have to run that requires me to get rows from a table based on the value of a field in another table (which I have gotten earlier). I currently have it done like this (simplified).
[Code]...
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Mar 23, 2009
I have code to extract each entry in an event log. If the entry is after a set date (the value of my startDate variable) then it gets the information from the log and outputs to an email (I can do all this, the bit I am stuck on is as follows) I am currently using the following code extract:
[Code]...
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Jun 13, 2012
My problem is with the tickets table, I have listed the user that created the ticket, the tech who will solve the ticket and a user that over sees the ticket. All three users reference the users table. So how do I can I query the tickets table and get all three users that reference the same table storing the users?
Table1: Tickets
1) Ticketnumber
2) EnteredBy User 100
3) Issue
[code]....
What I can do now is something like this:
Select Ticketnumber, EnteredBy, Issue, UserName FROM Tickets INNER JOIN Users
ON Tickets.EnteredBy = Users.UserID
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Sep 17, 2010
I am trying to automate an access table make query through vb.net.It works fine the first time, but the second time it fails because the table already exists.Of course i can delete the table through code by it's name, but i want to let my .net-application find out wich table must be deleted. Or maybe there is a solution that doesn't fail with the error "table exists" without first deleting it.[code]
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Jun 24, 2011
Ok im trying to do a if statement in Linq and was wondering if it was possible to do something like:
Dim loadFriends = From p In db.UserRelationships Where p.aspnet_User.UserName = User.Identity.Name _
Or p.aspnet_User1.UserName = User.Identity.Name And p.Type = 1 _
Select New With {if p.aspnet_user1.user = "a certan username" then .username = _
p.aspnet_user.username else .username = p.aspnet_user1.Username}
[Code]...
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Nov 30, 2010
In my Form1 i have a datagrid with coulmns: CarName , CarModel , CarColor , CarOwner (there are a lot of data).
I added queries (textboxes that the user writes in text) that can "filter" data when the user want to choose specific CarName or specific CarModel.
textbox1 = CarName
textbox2 = CarModel
textbox3 = CarColor
textbox4 = CarOwner
If the user writes text in TextBox1 then the data shown in the DataGrid is filtered.What if the user want to choose also (!) a carOwner? I know how to use AND statements, but if the user didn't specified a carOwner non of the data is shown although there are this kind of data.
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May 30, 2012
Can you show a coding example that has the "Using" statement with a scalar query?
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Sep 20, 2011
I created a sql query to check if the mobile number is registered or not. If its registered, it will send the new pin code to the customer and if its not, the customer will get a message that "This number is not registered or you are not authorized to this"... something like that... Sending of new code is already working. I just dont know how to make it as conditional statement like PHP. After you query on PHP, you can just set a variable and make a conditional statement..Here is my script in vb.net:
Private Sub CheSMS()
Dim SQLServer As String = My.Settings.SQLServer
Dim conn As SqlConnection[code]......
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