Dbproviderfactories.getfactory Oracle.ManagedDataAccess.Client

Because of recent projects, to use Microsoft's EF framework without the Oracle client installed, access to the Oracle database. The following code will be called when the error.

System.Data.Common.DbProviderFactories.GetFactory ("Oracle.ManagedDataAccess.Client" )

Workaround:

1. Referring to Oracle: Oracle.ManagedDataAccess.dll

2, add the following content in App. Config:

<Configuration>  <System.Data>    <dbproviderfactories>      <Addname= "Oraclemanageddataaccess Data Provider"invariant= "Oracle.ManagedDataAccess.Client"Description= ". Net Framework Provider for oraclemanageddataaccess"type= "oracle.manageddataaccess.client.oracleclientfactory,oracle.manageddataaccess, Version=4.121.1.0, Culture= Neutral, publickeytoken=89b483f429c47342 " />    </dbproviderfactories>  </System.Data></Configuration>

3, which "version=4.121.1.0", according to your version modified. Can be viewed with reflector.

4, through the following code, you can check all the successful introduction of the dbproviderfactories

 var  factoryclasses = var  cols = Factoryclasses.columns;  foreach  (DataRow row in   Factoryclasses.rows) { Span style= "color: #0000ff;" >foreach  (DataColumn col in   cols) {Co Nsole. WriteLine (  {0}:{1}   "   ----------------- ------  );}  
 

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Dbproviderfactories.getfactory Oracle.ManagedDataAccess.Client