Expungement of Dismissed Case

[jakusg09]

My question involves expungements or pardons for the state of: Texas
I had a posession of marijuana charge that was dismissed due to lack of evidence about a year ago. Recently I was arrested again for criminal trespassing and there is a good chance that that will get dismissed as well due to the situation being a miscommunication. My question is can I get the posession charge dismissed or possibly even both.

[Mr. Knowitall]

You told us that the possession charge was already dismissed. If it has been dismissed, why would it need to be dismissed a second time?

[jakusg09]

Sorry I meant get the dismissed charge expunged.