title: How to edit DataGridView on button Click
body: <p>I have a DataGridView in which I am binding some records. I have a button Edit on my form. I want to Edit all the rows and column of the datagridview when I click on button Edit, so that user can change the data as per there need, and the data which is changed it should show in different color, so that user can recognizes that this data got changed.</p>
  
  <p>till binding of grid I have done, how to edit and assign the color into changed cell I am unable to find solution. </p>
  
  <p>Please something help me, with some exp. code. or some sugg.</p>