title: How to get values from selected cells DataGridView C#?
body: <p>How can I get to get values from selected cells DataGridView C# ?
  not one</p>
  
  <p>i need many one , all what i selected to save in db</p>
  
  <p>in windows form</p>
  
  <p>i want to check every cell in the first Column and then get its value "id"</p>
  
  <p>this Column is a combo box </p>