public static void Init()
 {
     window = CreateInstance <SQLite3Window>();
     //window.LoadExcel(Application.dataPath);
     window.titleContent = new GUIContent("SQLite3", "Create SQLite3 table from excel.");
     window.minSize      = new Vector2(555, 600);
     window.maxSize      = new Vector2(555, 2000);
     window.ShowUtility();
 }
 static void OpenPersistentData()
 {
     SQLite3Window.Init();
 }