c# - How to add delete, update or edit button in grid view? -

Do I know how to write, update, or edit buttons in griview based on the code below?

  & lt; Asp: Content ID = "Content1" content placeholder id = "head content" run = "server" & gt; & Lt; Asp: text box id = "test1" runat = "server" /> & Lt; Asp: text box id = "test2" runat = "server" /> & Lt; Asp: dropdown list id = "test3" runat = "server" autopost = "wrong" & gt; & Lt; / Asp: dropdown list & gt; & Lt; ASP: Button ID = "Button 1" Runat = "Server" Text = "Button" OnClick = "Button 1_Click" /> & Lt; Asp: gridview id = "gridview 1" runat = "server" & gt; & Lt; / Asp: GridView & gt; & Lt; ASP: Button ID = "Button 2" Runat = "Server" Text = "Button" OnClick = "Button 2_Click" />   
   
 
 
 refer to this article  
    
 This step explained step by step