how to delete row from gridview on checkbox checked

foreach(GridViewRow  gvrow in gvDetails.Rows)     // iterate all the rows
{
    CheckBox chk = (CheckBox)gvrow.FindControl("chkSelect");     // find the checkbox control in that row
    if (chk != null & chk.Checked)       // check if checkbox if checked
    {
        string Id = gvDetails.DataKeys[gvrow.RowIndex].Value.ToString() + ',';    // get the Id or any value using checked row in grid
        // fire delete query here based on Id
    }
}