This is my first tutorial.i am sorry 
Prepare a database to do this
You can edit “maxNumRows” , “columnName” if you want.
For the “Screen1” block that is display current data.
For the “Button10” block that is refresh the data if you added , deleted or edited.
Don’t say that you’re sorry at all, this looks great!
Do you think you could add a sentence or two explaining what the blocks in each picture do? 
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