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6 Items, 1 Pages 1 |< << Go >> >|

	LesioS
	Asp.Net User

Enterprise Library: Data Access

7/27/2005 6:34:54 AM

0/0

I'm starting new project & want to take some training in Enterprise Library. So I've made simple winform and have added into references to Enterprise dll Data and Configuration, but not to Common (which BTW is also copied into Debug directory).
I've following code:
  private void button1_Click(object sender, System.EventArgs e)
  {
   string spName;

   if(ofdPlikDanych.ShowDialog() == DialogResult.OK)
   {
    fileName = ofdPlikDanych.FileName;
   }

   Database db = DatabaseFactory.CreateDatabase(); <<<<

...
}

Compilation goes well, but on run-time when execution reaches <<<< point my personal firewall reports that myapp.exe calls csc.exe compiler and after that System.InvalidCastException ("Specified cast is not valid.") is thrown.
During execution EntLib DataAccess samples csc.exe is not called and everything goes well.
Could anyone explain me what I'm doing wrong?

Best regards,
LesioS

	haidar_bilal
	Asp.Net User

Re: Enterprise Library: Data Access

7/27/2005 9:49:54 AM

0/0

You may want to check my article on aspalliance.com :

Get Started with the Enterprise Library Data Access Application Block

Regards

Bilal Hadiar, MCP, MCTS, MCPD, MCT
Microsoft MVP - Telerik MVP

	LesioS
	Asp.Net User

Re: Enterprise Library: Data Access

7/27/2005 10:55:10 AM

0/0

Thanks, for very useful article. But it still doesn't explain strange behaviour of code: why it calls csc compiler in the middle of execution and throws strange exception...
References are made according to your advice, so it's not this. The only one think which comes to my mind is that there's a minor error in conf files, which is not seen for a 1st look. I'll try to set conf files again by EntLib tool and will sent the result info Wink [;)]

Best regards,
LesioS

	haidar_bilal
	Asp.Net User

Re: Enterprise Library: Data Access

7/27/2005 11:01:57 AM

0/0

Hi:
Try to debug you application so that you follow it step by step.

Regards

Bilal Hadiar, MCP, MCTS, MCPD, MCT
Microsoft MVP - Telerik MVP

	LesioS
	Asp.Net User

Re: Enterprise Library: Data Access

7/27/2005 11:25:20 AM

0/0

I've done it, of course... When active point reaches Database db = DatabaseFactory.CreateDatabase(); exception is thrown Sad [:(]

From message nothin interesting can be read. And just before it csc compiler is called by my app...

Best regards,
LesioS

	LesioS
	Asp.Net User

Re: Enterprise Library: Data Access

7/27/2005 9:25:33 PM

0/0

I've tried to load my app.config file to EntLIb Configuration tool and received... unhandled exception Smile So I've created the same confoguration file and found the difference. Lack of tag

<dataTransformer xsi:type="XmlSerializerTransformerData" name="Xml Serializer Transformer">
<includeTypes />
</dataTransformer>

in my config file was reason of exception throwing. In fact my app during runtime was calling csc compiler what was catch by my firewall, but after permanent permit for such call everything looks good now Wink

Best regards,
LesioS

6 Items, 1 Pages 1 |< << Go >> >|

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Enterprise Library 2.0 Data Access Application Block Jan 8, 2006 ... The Enterprise Library 2.0 Data Access Application Block can help you with a lot of your data access plumbing in your . ...
ASP.NET.4GuysFromRolla.com: Working with the Enterprise Library's ... Mar 9, 2005 ... The Enterprise Library contains application blocks for caching, configuration, data access, cryptography, exception handling, ...
Using the Enterprise Library Data Access Block for .NET 2.0 Mar 16, 2006 ... Writing database-access code is a repetitious and time-consuming task, but now that it's available as a reusable Enterprise Data Access ...
Get Started with the Enterprise Library Data Access Application ... If you have downloaded Microsoft's Enterprise Library Data Access Application Block, you may have had difficulty getting started with it.
Enterprise Library 3.1 - May 2007 This page provides an overview of the Enterprise Library 3.1. ... For example, the Data Access Application Block provides access to the most frequently used ...
Data Access Application Block This section provides an overview of the Enterprise Library Data Access Application Block. An application block is reusable and extensible source code- based ...
DatabaseConfigurationView Class in Enterprise Library Data Access ... Mar 13, 2007 ... DatabaseConfigurationView Class in Enterprise Library Data Access Application Block - Read Database Connection Strings and Configuration ...
Enterprise Library 3.0 Data Access Application Block Jul 12, 2007 ... Data Access Application Block(DAAB) simplifies development tasks that implement common data access functionality.The DAAB provides access to ...
patterns & practices – Enterprise Library - Home Now I am learning how to use the Data Access Application Block by following the excercise from Enterprise Library Hands On Lab. ...
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