Updating ms access database

Updating ms access database

All we need is to tell it which driver to use and where to find the database file. Then we give it the connection string and open the connection…If this had been a database like My SQL located on another server, we would have to specify IP address info as well as port. // Form level variable for our connection Ole Db Connection connection; // Constructor public Form1() { connection = new Ole Db Connection("Provider=Microsoft. OLEDB.4.0; Data Source=C:\example.mdb; Persist Security Info=False"); Initialize Component(); } Notice in our code above we create a new Ole Db Connection and give it a connection string to tells it where to find and to use our OLEDB 4.0 driver.The first example will be to use a Data Adapter class and its fill method to load it into a Data Set.While there are many ways to do these things, I simply create 3 different ways that you can play with below.At the end we will cover a quick way to make a nice update to the database.One great place to find connection string data for tons of different databases is at I am using a local instance of an access database that doesn’t require any real credentials to access. Ole Db namespace so we get to use Ole Db Connection as well as other classes you will see later.

Nothing much to see here other than how to create the class and use a connection string to tell the connection where to find the database.Since we now have a database connection made, we have a few choices on how to query and load our data. Some have their advantages and disadvantages, so be sure to research which one might fit your needs the most.So grab a drink, kick off your shoes and lets play with some snippets here on the Programming Underground!So how do we get this stupid name column out of our table “Employees” of the access database and into a control? One is to connect to the database, another thing is to query the database for the info and lastly we put that info into our source control… Connecting to the database is pretty straight forward and really starts out with picking the right connection object from the System. Since Access can be “accessed” through the OLEDB setup we can use the Ole Db Connection class for that. This is nothing but a string that tells the class where to find the database, what driver (or DSN) to use, any username and passwords to login to the database, and any security features we will need to implement for our access.Almost on a daily basis we run across posts that ask about using a . Oh it might have a slight variation like “How do I load a value from a database into a textbox?

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” or “How do I read a database into _______ control and then update the database?

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