DB/Reporting :: Using Fracture Number In Database
Mar 17, 2009
I have a single table access database, where I would like to collect my own working times.I would like to use fracture hours for example 4.5 hrs, 1.5.I have a databounded textbox, I will write my working hours into this textbox.My problem is I can write only whole numbers into the textbox, if I try to write fracture number the textbox doesn't lose focus, I need to stop the whole debug.My access datatable is set for double, so it is allow fracture numbers. When I checked this in VS query wizard it seems ok, but my textbox is working very strange.
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Oct 1, 2008
Say I have a table called tblTest in MS Access with the primary key called field0 which is set to autonumber and a few other fields, say field1, field2 and field3. Say also, I inserted a new row using:
SqlO = "Insert into tblTest (field1, field2, field3) Values (value1, value2, value3)"
Dim cmdO As OleDbCommand = New OleDbCommand(sqlO, conn)
cmdO.ExecuteNonQuery()
[code]......
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Apr 28, 2009
I am having trouble Counting the number of rows in a specific column in a datatable.
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Mar 7, 2012
I have a txtbox(for barcode).. if i input a item number in that txtbox and if that number will match in your database, the other information(shall we say, product type, item ID, etc..) will display in my other txtboxes..
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Oct 28, 2008
anyone know how sql pick a random number of primary keys, I know get max number and call a random number work but what if there a missing numbers like 1,2,4,6,7 so max 5 and random will missing 6 and 7 also there a error if 3 and 5 come up.
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May 29, 2008
I have a combobox. The data that it binds to should be:
AcctID AcctName
10 Main
11 Old
[code].....
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Apr 21, 2008
I want to move my programs and the database to another computer and hard-disks. It looks to me as though I nearly have to re-create the controls and rewrite some of the code to make it so the programs still work after the move. At least with ODBC all I would change was the DSN definitions external to the programs. Is there an easy way to move or rename a database without loads of work?
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Mar 30, 2008
I am trying to copy a table from a network database to a local database. I used DAO and could check if the network table existed using a function that tried to assign a TableDef object to the table in question. If there was no error then I assumed that the table existed and the function returned true...Or it would error out and return false.I could then proceed with the copy or not as the case may be.I am converting the code to ADO.net and need to know how to check for a table. [code]
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Jul 8, 2009
I'm designing a program using VS.NET 2008 and Crystal Reports 2008, and I want to give the user the option to set how many groups per page is viewed. I know I can do it using the Group Expert, but is it possible to set it programmatically in VS.NET?
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Sep 20, 2011
Recently working in vb 2010 express. I'm using service-based database which is based on SQL Server. This database will be deployed at the server. Is it possible that multiple vb.net programs, which are installed in remote computers or client computers in the same network, connect to this database simultaneously? Does the service-based database support multiple connections?
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Mar 17, 2008
I am trying to test a number of stored procedures through SQL Server Query Analyzer. But am stuck when I try to test stored procedures that contain Output parameters.
Code:
DECLARE @Counterbigint
DECLARE @GUIDuniqueidentifier
exec usp_tbl_User_Add @Counter, @GUID, 'UserName', 'First Name','Surname',
[Code]....
When I put the Select statement though in the 'usp_tbl_User_Add' stored procedure in works fine and gives me the correct values.
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Sep 5, 2010
I have an existing database that I want to add a number to that the user inputs. So lets say that in the database there is 4 carrots, and the user on the addinventoryform inputs 3 carrots and pushes a button. Now I want that number to be added to the database number so in the database there would now be seven carrots. I am using an oledb connection and cannot figure this out.
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Jul 22, 2009
I need to programmatically add a row to a MS Database.How is this done?
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Feb 25, 2011
I don't actually know if I can use any XML file as a database that I can edit and make some changes to it using vb.net 2008 and save them. Because I'm working aboard a war ship and we have a central automatic system to control all the internal communication using standard telephones. to reprogram the extinctions we used to have a MS DOS program and it's so old and now it's totally lost and not found and after a long searching I have found a file that could maintain the extensions and reprogram the system but it's an XML file.
[Code]...
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Jul 10, 2008
I'm using Visual Basic 2008 Express Edition. What I have is an Access database that will have several tables. What I want to do is connect to the database, enter the name of a table in a text box and query that table. The code that I have now is: [Code] I'm not sure how to modify this code so that tablename = whatever I type in the text box.
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May 26, 2008
I am using SQL server managment express. I have 4 databases in it and got a bug on my computer which I could not get rid of. I saved these to disk and reinstalled windows, I reinstalled SQL server and I am now trying to add my 4 databases. Can any one help me with this, I can add a new database but not an existing.
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Nov 16, 2009
I have working on a project to add details to a database. I'm having trouble with the connection string, the code is as follows:
Code:
Public Function AddContactToDatabase(ByVal sFirstName As String, ByVal sLastName As String, ByVal sAddress1 As String, ByVal sAddress2 As String, ByVal sAddress3 As String, ByVal sAddress4 As String, ByVal dDOB As Date, ByVal sPhone As String)
[Code]......
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Jan 24, 2010
[Code]....
Thought I should probably say im using Windows 7 and the 2010 beta Visual studio
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Feb 4, 2009
Using VB 2008 Express /Using SQL Server Express/Database name is "StopData"/Computer name is "LAPTOP"?Here's what I have.
Code:
Imports System.Data.SqlClient
Public Class frmMain
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
[code].....
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Jan 15, 2012
I have a database app that I wrote in VB6 a while back that uses Access as the backend. I have installed the app on Windows 7 pc's and all works fine....most of the time.On some pc's I see an issue where if I replace, rename, or even remove the DB, my app (b/c of something to do with Windows 7) still sees and reads the information from the old DB. It seems no matter what I do, I cannot "remove" the .mdb file from the system. As one can imagine, this is making it very hard to replace the outdated db with an updated version. I never experienced anything like this running the app in the XP environment.
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May 18, 2011
below is the coding i want to ask :[code...]
this code is used for login by querying into the database....the logic is like this..it query accoding to the username text box and pass word text box...if there is indeed such rows in the table, then the bacadata.read, else something else happens...i have a few question :
1.is this the right way of login in by checking the row is available or not?
2.is there any enlightment and solution for the appropriate way to login system by using database other than the one teached by my lecturer?
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Mar 2, 2011
I am trying to use the .net connector within my program. I have got add, delete and update working however cannot get search to work. What I would like the program to do is, you enter a value into a textbox and then press a button. The value in the textbox is searched and then the values in the database corresponding to that value are entered into the other text boxes. This is what I have so far:
Private Sub PrescriberSearch()
pre.SelectCommand = New MySqlCommand("SELECT Name FROM Prescriber WHERE Name =?Name like Name = ?Name")
[code].....
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Mar 9, 2012
Well my problem is that I have a image stored in a database which is a OLE Object.
My Problem is that I am trying to view the database in Vb (windows form) but the image does not appear.
All I can see is a small red cross where the image should be.
I have tried both Datagrid view and Detail View.
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Nov 12, 2010
I am developing a software that connects to a database and manipulates product and user data. It works on my computer but it will have to be used by many computers maybe even world wide (who will access the same database) so I have no idea what kind of systems people will have. I still don't know how to ensure that they will be able to connect to the database for I have already had problems in Windows 7 computers which don't have jet oledb.4.0
I am a bit lost here because I don't know if I should first try to do a connect, or if I should first look for a jet oledb engine on the computer where the software is installed. And in case they don't have it installed should I prompt them to install it before running the program further? Or should I pack the engine along with my program? What is the line of thought here to make the program run on (almost) any machine?
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May 1, 2010
how do I use notepad as a database inside a vb.net program.I am making an athletics database/profile program which will include all school records for each and every student.So what I want to know is, how do I use a notepad file, filled with data, to perform search functions on records (like finding the fastest times in a particular event) and sort functions (assending order of times etc.) and view them on a form.
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May 23, 2009
i'm using vb 2008 express editor, and 3.5 compact sql, through my program, i make changes, like altering rows, deleting or adding new rows, to a dataset. i want, that when button 1 is pressed, all changes made to that dataset, are updated to my database. what is the line of code that does this? [Code]
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Sep 29, 2010
---3 laptops running same VB.NET application locally AND access/share same database located on one of these machines. Is this Possible? an easy way? ---OR would the best sollution create a website with database ?
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Aug 21, 2008
I'm building an aplication with an MS Access database behind the scene. In many of my forms I'm gonna use DataGridViews to show data from the database, not an entire table but data based on manually built queries. So, I have few questions without answers, by now. Solutions or 1. I haven't decided how will I bring the database into the project: from the menu -> Add New Data Source, or within the code, at runtime. I still don't know which one's best or why.2. How exactly can I execute any SQL query (SELECT, INSERT, UPDATE, DELETE etc) on my Access database from my aplication?
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Dec 3, 2009
i have an ACCESS database with 3 columns. I establish the connection with the VB 2008 Express and put the data in the form but i don't know how to add the text of a textbox in the database.
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Aug 29, 2009
I installed Visual Studio 2008 and Office Enterprise 2007 in my new computer.I made some codes for a data reader to get data from an Access dabase. On the step where it will open the connection an exception appeared which says "Microsoft.Jet.Oledb.4.0 provider is not registered on the local machine".
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