public IDataProvider GetDataProvider(string connectionString)
{
Load(connectionString);
return(ProviderHelper.GetDataProvider(Provider.ProviderName, connectionString));
}
public void Load(string connectionString)
{
if (IsLoaded)
{
return;
}
if (LoadException != null)
{
return;
}
try
{
IEnumerable <Assembly> loadLibraries = Provider.Libraries
.Select(l =>
{
try
{
return(Assembly.Load(Path.GetFileNameWithoutExtension(l)));
}
catch (Exception e)
{
Debug.WriteLine(e.Message);
return(null);
}
}
)
.Where(l => l != null) !;
var providerLibraries = loadLibraries
.Concat(new[] { typeof(DataConnection).Assembly })
.ToArray();
var typeName = Provider.InitializationClassName;
if (!string.IsNullOrEmpty(typeName))
{
var initType = Type.GetType(typeName, true) !;
RuntimeHelpers.RunClassConstructor(initType.TypeHandle);
}
var provider = ProviderHelper.GetDataProvider(Provider.ProviderName, connectionString);
var connectionAssemblies = new List <Assembly>()
{
provider.GetType().Assembly
};
try
{
using var connection = provider.CreateConnection(connectionString);
connectionAssemblies.Add(connection.GetType().Assembly);
}
catch
{
}
LoadedAssemblies = connectionAssemblies
.Concat(providerLibraries)
.Distinct()
.ToArray();
IsLoaded = true;
}
catch (Exception e)
{
LoadException = e;
IsLoaded = false;
}
}
