Which Database To Use For Simple Strings
Jun 15, 2010
I try to keep it short - so far I got an app. which receive, compare and send STRINGs back and forth. Due to the fact that I am not too fit in VB, I realized it via a SELECT/CASE method. But now, I would like to allow user to add new STRINGs from the user plane as well (before it was done by myself). I can imagine, I need a database for it. Which one would do the job best? I need only two columns, where my app. can send a coulmn B string back, after it recognized a column A.
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Nov 2, 2011
I am working on saving some simple strings (from InputBoxes) to an Xml file.I am also at the same time displaying these file entries in a Data GridView. My problem seems to be that as soon as the XmlDocument ("doc") is saved, a dialog box is displayed as follows: This file has been edited outside of the source editor I am getting the dialog, and 2) why I cannot run the routine again (without exiting the application first!). [code]
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Oct 16, 2009
Say I have a List(Of Tag) with Tag being an object. One member of Tag, Tag.Description, is a string, and I want to make a comma-separated concatenation of the Description members.Is there an easier way to do this than to read the Description members into a List(Of String) and then use the Join function?
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Sep 29, 2010
I want to create program in vb2008 express with ms access database. Can somebody help me so i can learn how to program using classes hard coded. I have learned vb6 before but it has a big difference on vb2008.
I have a database named "DATABASE" in ms access 2003 and the details are: Table :
EMPLOYEE(EmpNo, EmpName), DEPARTMENT(DeptID, DeptName), CATEGORY(CategoryID, CategoryName), SUPPLIER(SupplierID, SupplierName), ITEM(ItemID, Itemname), ITEMLIST(ItemListID, ItemID, ItemDescription), INVENTORY
[CODE]...
All the CAPITALIZED name are Table and all items inside the parenthesis are fieldnames. I don't know where to start on working on this RECORDS. I was able to understand visual basic 6 a bit, and i am trying to apply the coding to VB 2008 but all i get is errors. I am hopeless now and i need help to be able to start my programs. If someone can give me a sample code, i think i would be able to trace the line of code to be able to understand it. I am currently an inventory manager on the small company i was working with and i like to organize my record by using database.
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Apr 9, 2010
I have loaded my database with one table under "Data Connections" in the "Server Explorer" pane.What is the standard / best-practices way to handle a simple query in a VB ASPX page?
My left <div> would be a set of form elements to filter rows, and when the button is clicked, the main <div> would show the columns I want for the rows returned.
Note: Answers in C# are okay too, I'll just translate.
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Oct 31, 2009
I just want to be able to click on a commandbutton, menu_item, or maybe even a wizard at program install time, to make the database from scratch.
1) I do not care what type of database it is it is as long as it will run on any pc machine without having other programs installed except the one im creating.
2) I do not want to use access or the designers to create the database either
[code]...
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May 4, 2009
How To Manage A Simple Database
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Sep 18, 2009
Need to create a form and connect the form the database on the click of a button. I have created the forms and data tables (Attached).Also want to know how can i open a form on double clicking an entry in the list box.
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Jun 11, 2011
How to do a simple log in program in netbeans using java database ?
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Dec 8, 2010
I'm trying to connect to a .MDF database (created via VS2010), but I'm having some issues.
My code is simple:
Imports System.Data.SqlClient
Partial Class MasterPage
Inherits System.Web.UI.MasterPage
[code]....
I get error on line connection.Open().
The path of my DB is App_DataVisitas.mdf
It may be my connection string.
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Jun 14, 2011
I have an application written for the UK market that currently only supports English (UK) and a client wants to deploy part of the application out to a non UK site and syncronise the data back to the UK HQ.I can convert the application labels and messages using resource files and the loc culture information but was wondering how you would convert the database bound data.E.G.Here is the HQ based table
tblFault
ID ; Description
1 ; Not Functional
[code].....
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Oct 6, 2010
For my website I've just implemented tinyMCE for my site (just a word processor). Everything works fine except when i try to store the string variable input into a sql server database. I want to store a string and not have the html tags make me exceed the 8000 length limit(the html tags take up most of that space). My question is, is there a solution so I can store my document with the html tags without shortening my document? Create an if statement that will determine the length If > 8000 than split the string apart and insert into separate fields. Maybe their is a compression feature which I'm unaware of?
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May 14, 2009
Recently, someone asked me to code a program for them in Visual Stuido. What they need is a program that allows them to enter names, and each name has to pick a option (i was thinking that the user would select a radio button) and each option could only be selected a limited number of times.
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May 31, 2010
I am here to write a small database application that will be running in desktop (offline mode).I am using MSAccess 2007 as my database file and trying to write code in vb.net.I used to write the code vb6 an usually had global variables for storing database connection and executing every query from that.I am trying to upgrade myself from vb6 to vb.net.do i need to read some more simple starter books also?
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Sep 2, 2010
I'm looking for a front-end that's very simple, to access a to-be-built MySQL Database. I actually need it for only one table. I was thinking that the user could search in a way that would ask for values for each field of that table, and give the option of leaving it blank. Then, it would return all the entries that match up with the query.
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Jul 22, 2010
I know this sounds simple to the majority of the database gurus out there but I am finding it difficult to find anything related.I am using Visual Studio 2008 VB.net winforms application.I have a form which contains a datagridview. what I want to do by push of a button is set the field "OnHand" either to default or 0. The 'either or' is really for you guys. Which ever one works the best in terms of reducing code or functionality is obviouls prefered.Once the 'OnHand' Fields in every record has changed then I would like to save all the data back to the database'This is more than likely very simple I just cannot find anything that discusses this kind of thing.
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May 24, 2011
Im just doing some tests to connect to a mysql database.I do not know how to call these values once I have made the sql query. How do I go about this, i.e. to show the values on the labels on a form?
Code:
Imports MySql.Data.MySqlClient
Public Class Form1
Dim ServerString As String = "Server = localhost; User Id = root; database = CALIBRA"
Dim SQLConnection As MySqlConnection = New MySqlConnection
[code]....
What do I put in the "SOMETHING MISSING HERE"?
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Sep 13, 2010
I have created a simple project where I have two forms, one a data entry form where a client name, address, city, state and zip are entered into textboxes. Then, the user clicks a button to add all this data to the datatable via a newrow. The second form includes a datagridview to show the datatable. However, I cannot get the code below to work to update the datatable. I have a button to click to check to see if the data is entered and it returns an error that no row exists.
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Jul 5, 2010
I am a beginner at VB.NET, and I am trying to create a program that takes strings from a program and inputs them into a Microsoft Access Database as new entries. I have absolutely no idea how to do this, but have played around with the database options in Visual Studio 2008.
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May 26, 2011
I've just started ASP.NET for real, and I was wondering if it is possible to use connection strings from Data Sources instead of hard-coding them. I've added my connection in Data Sources and it works, and I can also drag a table to a page in design mode, but I can't figure out how to access it in code. Here's what I get when I drag it in:
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False"
DataSourceID="SqlDataSource1"
EmptyDataText="There are no data records to display.">[code].....
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Jun 21, 2010
I have an issue with my access database when creating a simple insert form on visual. When I load the form into the browsers and add the data, it says it has worked but when I look in the database the information has not been added.
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Jul 3, 2011
Im making just a fun project using visual studio 2010. Its a simple password manager. The issue im having is trying to put the information from my Access database into a gridview. The issue im having is that it just doesnt do it, no error, just no results. I have done some looking, tried different examples but no luck on this.
Here is what i have for this part:
Dim mypath = Application.StartupPath & "\User Passwords.mdb"
Dim password = "password" 'I do have an actual password, im just not going to put it out there
Dim connString As String = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & mypath & ";Jet
[CODE].......................
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Nov 27, 2011
I want to create a very simple (to begin with) database driven application. The company I work for have very kindly said they will host any SQL database I create, they have a remote server that we all connect to for files etc.
So I want to be able to create an SQL database that they can host and have my colleagues and I install the application local on our machines.
[Code]...
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Feb 27, 2011
I am trying to make a very simple program that connects to a MySQL database using VB.NET. My program only has one form and one label. I setup my MySQL database to have a table and one field (a VARCHAR)called "Tab1". I manually inserted the value "CLOSED" into the Tab1 field using PHPMyAdmin. I want my program to change the value of the field to OPEN/CLOSED and I also want the label text on my form to change too when it's clicked.
[Code]...
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Apr 17, 2009
i'm trying to populate a simple combobox with a query to a MySql database. I Just want the combobox to show the results of the query:
SELET DISTINCT models from Cars
I am using VB 2008 with Datasets, how can I achieve this?
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Aug 14, 2009
I'm trying to run a simple database and im getting a "System.NullReferenceException" error ) & "Additional Information:Object reference not set to an instance of a object" .
txtItemName.Text = rowCurrent.Item("ItemName") <-- highlighted in yellow
Code is as follows:
vb.net
Imports System.Data.OleDB
----------------------------------------------------
Public Class Form1
[code]....
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Jul 7, 2010
I have a field in my database that holds dates as strings in this format: dd/MM/yyyy Now I want to load then into a var as dates vb.net Dim dte as date I am having problems with the format. Vb doesn't recognize my date format as a date when I use this for expample:
vb.net
Dim strDate as string = "22/05/2010"
Dim dte as date
dte = CDate(strDate)
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Jan 12, 2010
How can I change the following code to write to the database null instead of empty strings?
Public Sub SetChangeRequest(ByVal referenceLeaseID As Integer, _
ByVal referenceCustomerID As Integer, _
Optional ByVal custUnitNum As Object = Nothing, _
[CODE]...
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Mar 12, 2010
So i'm creating a simple application as an example that is to link to a Access 2007 database.
On my main form i have four listboxes that are correctly attached to the table, I have one for First Name, Last Name, Phone, and School. I added 3 records to the database in Access to see if I could display the records in the listboxes on the form. I found that it was very easy by setting the properties and I have no problem there. I also have a command button that loads a new form for the purpose of adding a record to the database.
Here is my main form (frmMain.vb)...
CODE:
And Here is the code for the form...
CODE:
What i'm looking for is when the user presses the Add button on the frmAddNew form then it needs to close and the new record is listed in the textboxes and saved to the database. Id also like to know all kinds of things i might be able to do with textboxes and databases because i'm trying to learn for a larger project where i'll need to keep track of hundreds of records.
I understand that this is a simple procedure, but i've been spending all night scouring tutorials and getting lost in the msdn library online, so maybe some human input will be better.
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Jun 25, 2010
I have one table here with a list of UserIDs, Users, and ClientCodes. Each user can be assigned a client code to view that client's data elsewhere. Right now I have to change it for everyone via SQL Server and actually going into the table manually, but I'm trying to make a simple little program that will let the user change it themselves. All I need is a textbox that pulls the user based on a certain UserID from the table, and a drop down list that will not only show the current ClientCode they're set to, but allow me to change it and save that change to the table in the database.
What's the best way to go about this? I tried using the wizards but I guess that's not the best way to go about it. I have it displaying the correct user and their current ClientCode but that's about it.
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