<div>
This sounds like--1) you are running from a network share, or 2) you are trying to connect to an Access database that is somewhere that you don't have rights to.
</div>


<div>
Then, you need to describe your environment, because I am all out of guesses.
</div>


<div>
<div class="content wysiwyg-content">
Code: <a href="http://www.mediafire.com/file/yjavywmknmg/Logon_App.zip" rel="ugc">http://www.mediafire.com/file/yjavywmknmg/Logon_App.zip</a><br />
<br />
I'm getting a System.AccessViolationExce<wbr />ption error on line 120.<br />

<pre><code class="code-1 nolinks" id="code-261828"><span>oReader = oCommand.ExecuteReader()</span>
</code></pre>
</div>
</div>


Code: http://www.mediafire.com/file/yjavywmknmg/Logon_App.zip

I'm getting a System.AccessViolationException error on line 120.

System.AccessViolationException with OleDB?

The .NET Framework is not specific to any one programming language; rather, it includes a library of functions that allows developers to rapidly build applications. Several supported languages include C#, VB.NET, C++ or ASP.NET.

.NET Programming

Visual Basic .NET (VB.NET) is an object-oriented programming language implemented on the .NET framework, but also supported on other platforms such as Mono and Silverlight. Microsoft launched VB.NET as the successor to the Visual Basic language. Though it is similar in syntax to  Visual Basic pre-2002, it is not the same technology,

Visual Basic.NET

Microsoft Access is a rapid application development (RAD) relational database tool. Access can be used for both desktop and web-based applications, and uses VBA (Visual Basic for Applications) as its coding language.