Invalid column name sql error

Question

I am trying to enter data into my database, but it is giving me the following error:

Invalid column name

Here\'s my code

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Answer 1

You have to use '"+texbox1.Text+"','"+texbox2.Text+"','"+texbox3.Text+"'

Instead of "+texbox1.Text+","+texbox2.Text+","+texbox3.Text+"

Notice the extra single quotes.