protected virtual void OnPreviousPage(DataNavigatorEventArgs args)
{
if (PreviousPage != null)
{
// Invoke the delegates.
PreviousPage(this, args);
}
}
protected virtual void OnPageChanged(DataNavigatorEventArgs args)
{
if (PageChanged != null)
{
// Invoke the delegates.
PageChanged(this, args);
}
}
protected void OnPageChangedButton(object sender, EventArgs e)
{
DataNavigatorEventArgs args = new DataNavigatorEventArgs();
args.CurrentPage = int.Parse(ddPage.SelectedItem.Text);
args.TotalPages = int.Parse(lblTotalPages.Text);
OnPageChanged(args);
}
protected virtual void OnLastPage(DataNavigatorEventArgs args)
{
if (LastPage != null)
{
// Invoke the delegates.
LastPage(this, args);
}
}
/// <summary>
/// Enable the bound controls when a row exists.
/// </summary>
/// <param name="sender">The sender of the event</param>
/// <param name="e">The event arguments</param>
private void dnNav_AddedRow(object sender, DataNavigatorEventArgs e)
{
if (pnlData.Enabled == false && dnNav.AllowEdits == true)
{
pnlData.Enabled = true;
lblAddRow.Visible = false;
}
}
protected void tbPagerGoto_Click(object sender, EventArgs e)
{
var args = new DataNavigatorEventArgs();
var i = 0;
if (!string.IsNullOrEmpty(tbPagerIndex.Text.Trim()) && int.TryParse(tbPagerIndex.Text.Trim(), out i))
args.PageIndex = i - 1;
PageChanged(this, args);
}
protected void LastPage(object sender, DataNavigatorEventArgs e)
{
// Decrement the current page index.
if (e.CurrentPage <= e.TotalPages)
{
ucDataNavigator.CurrentPage = e.TotalPages;
// Get the data for the DataGrid.
FillData(ucDataNavigator.CurrentPage);
EnableDisableButtons(e.TotalPages);
}
}
protected void OnPreviousPageButton(object sender, ImageClickEventArgs e)
{
DataNavigatorEventArgs args = new DataNavigatorEventArgs();
args.CurrentPage = int.Parse(lblCurrentPage.Text);
args.TotalPages = int.Parse(lblTotalPages.Text);
SetDropDownPageNumber(args.CurrentPage - 1);
OnPreviousPage(args);
}
protected void tbPagerGoto_Click(object sender, EventArgs e)
{
var args = new DataNavigatorEventArgs();
var i = 0;
if (!string.IsNullOrEmpty(tbPagerIndex.Text.Trim()) && int.TryParse(tbPagerIndex.Text.Trim(), out i))
{
args.PageIndex = i - 1;
}
PageChanged(this, args);
}
protected void PageSizeChanged(object sender, DataNavigatorEventArgs e)
{
ucDataNavigator.CurrentPage = e.CurrentPage;
FillData(ucDataNavigator.CurrentPage);
EnableDisableButtons(e.TotalPages);
}
/// <summary>
/// Clear the errors if edits are canceled
/// </summary>
/// <param name="sender">The sender of the event</param>
/// <param name="e">The event arguments</param>
private void dnNav_CanceledEdits(object sender, DataNavigatorEventArgs e)
{
epErrors.Clear();
}
