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 protected void DetailsView1_ItemCommand(object sender, DetailsViewCommandEventArgs e)
    {
        if (e.CommandName == "Edit")
        {
            DetailsView1.ChangeMode(DetailsViewMode.Edit);
            CommandField dd = new CommandField();
            dd.EditText = "Edit";
            dd.UpdateText = "Update";
            dd.CancelText = "Cancel";
            DetailsView1.AutoGenerateEditButton = true;
        }

        if (e.CommandName == "Cancel")
        {
            DetailsView1.AutoGenerateEditButton = false;
        }
    }

  protected void DetailsView1_ItemUpdated(object sender, DetailsViewUpdatedEventArgs e)
    {
        DetailsView1.AutoGenerateEditButton = false;
    }
    protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
    {
        DetailsView1.Visible = false;
    }