When i input a code in code textbox, i think textbox in name,addres,phone will be appear automatically according to the table at the database.but why it doest appear?i think that connection string is no problem,because i have try another database using this connection string and i found it's OK and no problem.[code]...
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I have a C++ application exe that uses a C++ dll. For some reasons, I want to replace the C++ dll with a VB.NET dll.
The dll is not and ActiveX and is therefore not registered.
I cannot use a class but a module since the C++ application does not expect any class in the dll. In all my attempts, I could not have the inner functions of the VB.NET to be called by the C++ exe.
I'm working on a tool that allows the user to connect to his SQL database and edit some of the database values.First here's a screenshot of the GUI (you can see my problem as well):
[Code]...
I am using VB code behind in Visual Studio 2008 to process data but can't figure out SQLConnection problems. I copied and pasted the connectionstring for my database from the explorer properties window but when I paste it inside the parenthesis of SqlConnection() it gives me an error. Also if I name a variable " dim myconnect As New SqlConnection" in does not give me all of the methods or attributes that are associated with it. Is this a Express Edition limitation or do I need to make some specific declarations to get it to work. this is what I have so far
Dim
connectString As String
Dim myconnect As New SqlConnection()
[code]....
myconnect. If I try to put open() at the end of this it says its not a member of SqlConnection. I have a dataset but no way to insert into the database
I have the following code:
[Code]...
Look guys i have this project i am doing.When i hit the Reservation button to run the insert it cannot connect to the database.Here is the code
Code:
Imports System.Windows.Forms
Imports System.Data.SqlClient
Public Class Dialog1
[Code]...
whats wrong with my codes, i cant connect to my database.ERROR CONNECTING TO DATABASE
Imports System.Data.SqlClient
Imports System.Data
Public Class LoginForm1
[Code]...
I am trying to connect to a database in VB 2008 express the book I am using is for an older model of VB. The book says to go to view and click on server explorer, and then a database wizard should open. VB 2008 express doesn't have a server explorer under the view section. I know what code I need to enter into to the two buttons I have I just do not know how to open the wizard.
View 2 Repliesi want to connect to my SQL database, its not on a server or anything. Its stored on my computer
ive tried loads of different ways and coming up with nothing How do i find out what my data source is ??
Here is my code
Dim connectionString As String
Dim cnn As SqlConnection
Dim cmd As SqlCommand
Dim sql As String
[Code]...
I have my sql database (.mdf) stored in data folder of my project and I am using app.config to connect to it.
View 6 RepliesI have a problem in VB.Net to connect the database?
View 3 Repliesmaking or connecting database in my program...I'm using microsoft visual basic 2008 express edition...
View 3 Repliesi started on an apllication that reads from a access data base and displays them on the accordinf textboxes.i have always used text files to save and retrive data but i heared somthing about sql and that its much easier, i have looked through the net and read through many forums and thread but i can not find and example of hwo to use sql
View 2 RepliesI trying IBM DB2 Database. I want to connect to DB2 database with these code:
Imports IBM.Data.DB2
Module mdMAIN
Public db2CNN As New DB2Connection
[code].....
I'm a little new to Visual Studio, and want to learn how to connect VB 2008 or VB 2010 to a SQL database. Are there any books or online lessons that teach how to connect Visual Studio to a database?
View 2 RepliesI have a database setup on my localhost hosting [C:xampp] and I want the mysql server from that to connect to the my one on Visual Basic 08, wait no - the other way round. I want Visual Basic 08 to connect to my database which is hosted locally via my computer.
View 1 Repliesi can't connect database and bind it in DataGridView when i use app.config for connectionstring. I use VB.NET and MS Access.
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VB.NET Express 2010.
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
[Code].....
Failed to generate a user instance of SQL Server due to a failure in starting the process for the user instance. The connection will be closed...
someone gave me a link to changing the database connection using an instance. When I tried to type what the instance of my SQL server 2008 I must have put the wrong information into the database connection instance.
What is the database connection instance called for SQL server 2008?
i allmost completed my vb project with an access database..Now I put a password on the database, but i can't connect anymore.[code]How can i set a password to my NavsitDataSet..so i can connect ??
View 2 Replieshow can i connect a checkboxlist with a database?
View 5 RepliesI have created a login screen but I need to connect a database that hold all of the login information to the form on visual basic. My question is how do I connect the two together so that it works like a e-mail address acount like on google's gmail?
View 2 RepliesI am not sure what I am doing wrong I can connect to my database on my personal computer yet I am unable to have someone else use it without getting an error. system.IO.FileNotFoundException: Could not load file or assembly 'MySql.Data, This works on my PC so I am not sure what I am not including in the project when I compile or what?
View 4 RepliesGiving out a complete tutorial on the step by step way a connecting to a database using VB?
View 2 RepliesDoes anyone know if can I connect a db2 database with vb.net 2005 ? some example or web site?
View 9 Repliesi used this code (below) but it have error on this line "dAdapter2.Fill(dSet2, "BPC_EMPLOYEE")"
Dim ConnectionString As String = "Server=bpc-k2;Database=FIXED ASSET DISPOSAL;Integrated Security=SSPI"
Dim mySQLConn As New SqlConnection(ConnectionString)
mySQLConn.Open()
[code]....
I'm trying to connect listview with database. I don't know much about databases.
View 6 RepliesI am making a bookworm game as my project in school and I wanted my words database to be in notepad, but how can I connect and query using vb.net2008?
I got this idea from an online game that the game database for restricted words are in notepad, I also wanted to do that...
I am a new member here and i would like some help with my problem, i am working on my graduation project and it is about mobile learning, i'm using visual basic.net and using the sql database i want to connect my data base with the form in visual basic, how can i do that.
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