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I want only 3 of the columns in my table in Datagridview1 not to be empty. I want it to warn the screen when there is an empty field.
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I tried to make a mandatory field to be filled in the datagridview1 table
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When I add other data to the data I pull from sql in Datagridview, I want it to warn the screen to be filled if there should be no empty space.
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As you can see in the photo below, only those places should not be empty, and when I press save, it should detect when there is an empty space and give a warning to the screen.
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give a warning if there is free space
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