The .NET data adapter Error – IErrorInfo.GetDescription Failed with E_FAIL(0×80004005) – occurs when the OleDbDataAdapter class Fill method is called to fill a table associated with it’s Dataset object. Examine the following C# code: …. private static DataSet dsOutput = new DataSet(); private static OleDbDataAdapter dadOutput = new OleDbDataAdapter(); private string stbl; …. public void [...]