In my C# application I am unable to find my how my database is connected and I am unable to get the new changes in database ?

Question

I am unable to find how my database accessing my data in my application and I am getting some unwanted function is mapped in the flow
I dont want my code enter the below mentioned functionality
can anyone suggest me some logic ?
for the reference
private static Type GetTypePlugin(string assemblyQualifiedName)
{
foreach (var pluginAssembly in EYE.Model.Utility2.LoadedPlugins)
{
foreach (var type in pluginAssembly.GetTypes())
{
if (type.AssemblyQualifiedName.Equals(assemblyQualifiedName))
return type;
}
}
return null;
}