 <p>A datagridview is a representation of data. The datagridview will save nothing in itself. Please read about <a href="http://msdn.microsoft.com/en-us/library/system.windows.forms.datagridview.datasource%28v=vs.110%29.aspx" rel="nofollow">datagridviews and their data sources</a> - and then if still in a troublesome condition, rephrase and come back here.</p>