public CommandBuilder(string providerName)
 {
     this._providerName = providerName;
     _paramBuilder      = new DBParamBuilder(providerName);
     _assemblyProvider  = new AssemblyProvider(this._providerName);
 }
 public CommandBuilder()
 {
     this._providerName = Configuration.GetProviderName(Configuration.DefaultConnection);
     _paramBuilder      = new DBParamBuilder(this._providerName);
     _assemblyProvider  = new AssemblyProvider(this._providerName);
 }