Update pages/demo.py

pages/demo.py

@@ -462,7 +462,9 @@ elif st.session_state.page == "semistructured_data":
     if st.button('CSV'):
         navigate_to('csv')  
     if st.button('HTML'):
-        navigate_to('html')       
+        navigate_to('html')   
+    if st.button('JSON'):
+        navigate_to('json') 
     if st.button('Back to Data collection'):
         navigate_to('data_collection')
 
@@ -654,7 +656,13 @@ elif st.session_state.page == "csv":
             file_name="Streamlit_Excel.ipynb",
             mime="application/octet-stream"
         )
-
+    if st.button('Back to Semistructured data'):
+        navigate_to('semistructured_data')
+   
+    if st.button('Back to Data collection'):
+        navigate_to('data_collection')
+    if st.button("Back to Main Page"):
+        navigate_to("main")
 
 
 
@@ -1004,8 +1012,8 @@ elif st.session_state.page == "json":
             mime="application/octet-stream"
         )
 
-    if st.button('Back to Unstructured data'):
-        navigate_to('unstructured_data')
+    if st.button('Back to semistructured data'):
+        navigate_to('semistructured_data')
     if st.button('Back to Data collection'):
         navigate_to('data_collection')
     if st.button("Back to Main Page"):