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See more: Embedded SQL-CE C# WPF resource , +
Hi, folks,
I am looking for a solution to the following programmatic challenge:
Find a properly formatted connection string to SQL server compact edition file (.sdf) used as embedded resource, containing reference (i.e. read-only) data in WPF application.
Note: please pay attention to the operative words [Build Action] set to "Embedded Resource" and "Do Not Copy" to the output directory settings. It means that the file will not be physically copied to the target computer as a stand-alone entity, but instead is embedded in app executable.
So far I have tested a solution that allows getting the .sdf file from embedded resource with simple code snippet (Listing 1):
Listing 1.
        Assembly _execAssembly = Assembly.GetExecutingAssembly();
        // helper snippet to find out all available embedded resource names
        string[] _resources = _execAssembly.GetManifestResourceNames();
        //.sdf included in IO.Stream
        System.IO.Stream _stream 
    = Assembly.GetExecutingAssembly().GetManifestResourceStream("MyAssemblyName.App_Data.MyDB.sdf");
.. need the rest of the code to convert _`stream` object to .sdf and to connect to this file using either `DataSet/TableAdapter`, or `System.Data.SqlServerCe` objects; `SqlCeConnection`, `SqlCeCommand`, `SqlCeDataReader` as shown in the following sample code snippet (Listing 2):
Listing 2.
    #region private: Get DataTable using SqlCeDataReader
    /// <summary>
    /// Get DataTable using SqlCeDataReader
    /// </summary>
    /// <param name="strConn">string</param>
    /// <param name="strSQL">string</param>
    /// <returns>DataTable</returns>
    private static DataTable GetDataTableFromFileCeReader(string strConn, string strSQL)
            using (SqlCeConnection _connSqlCe = new SqlCeConnection(strConn))
                using (SqlCeCommand _commandSqlCe = new SqlCeCommand())
                    _commandSqlCe.CommandType = CommandType.Text;
                    _commandSqlCe.Connection = _connSqlCe;
                    _commandSqlCe.CommandText = strSQL;
                    using (SqlCeDataReader _drSqlCe = _commandSqlCe.ExecuteReader()) {
                        DataTable _dt = new DataTable();
                        return _dt;
        catch { throw; }
Thanks and regards.
Posted 26-Jun-13 10:53am

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